chemical reaction Crossword Puzzles

The review for Chemistry 2020-04-27

The review for Chemistry crossword puzzle
Across
  1. Fluid that conforms to the shape of it's container
  2. Matter in which many electrons wonder around freely in the nuclei of an atom
  3. Chemical reaction that is accompanied by absorption of heat
  4. Amount of energy exerted when a force of one newton is applied over a displacement of one meter
  5. atom Zero charge on atom
  6. Process of a liquid turning into vapor
  7. Chemical reaction that releases energy through light or heat
Down
  1. When a solid turns into a gas without first becoming a liquid
  2. Same elements different weights
  3. amount of stuff packed into a given space
  4. change Change from one state to another without chemical composition
  5. vaporization of a liquid which occurs when liquid is heated
  6. Has no fixed shape and no fixed volume
  7. Process in which a solid transitions to a liquid
  8. Firm and stable in shape; not liquid or fluid
  9. Flow of energy from one object to another
  10. Must be transferred to something in order to perform
  11. weight Mass of atom based upon the number of protons and neutrons
  12. Transition where a liquid turns into a solid when temperature is below it's freezing point
  13. Change from gas phase into a liquid phase

20 Clues: atom Zero charge on atom • Same elements different weights • Has no fixed shape and no fixed volume • Process of a liquid turning into vapor • amount of stuff packed into a given space • Flow of energy from one object to another • Change from gas phase into a liquid phase • Firm and stable in shape; not liquid or fluid • Process in which a solid transitions to a liquid • ...

Chemistry Crossword 2014-11-03

Chemistry Crossword crossword puzzle
Across
  1. organic Catalyst
  2. most reactive non metal
  3. this elements symbol is K
  4. a new substance after a chemical change is called a...
  5. a compound made of 1 non metal and 1 metal
  6. a subatomic particle with a negative charge
  7. Most reactive metal especially in air and water
  8. this elements symbol is O
  9. The horizontal category on the Periodic table (7 of them)
  10. a chart that groups all the elements in the world
  11. This elements symbol is H
  12. the substances you combine to create a chemical change are called...
  13. This elements symbol is Na
Down
  1. often a liquid or gas at room temperature
  2. The vertical category on the periodic table (18 of Them)
  3. a cemical reaction that absorbs heat
  4. a subatomic particle with no charge
  5. a compound made of 2 non metals
  6. The most stable and unreactive (gas)
  7. the average mass of an element
  8. in between a metal and non metal
  9. a subatomic particle with a positive charge
  10. the number that shows how many electrons and proton is in a element
  11. a chemical reaction that releases heat
  12. This elements symbol is Au

25 Clues: organic Catalyst • most reactive non metal • this elements symbol is K • this elements symbol is O • This elements symbol is H • This elements symbol is Au • This elements symbol is Na • the average mass of an element • a compound made of 2 non metals • in between a metal and non metal • a subatomic particle with no charge • a cemical reaction that absorbs heat • ...

Unit 0: Basic Chemistry 2024-08-29

Unit 0: Basic Chemistry crossword puzzle
Across
  1. the smallest unit of matter that retains the properties of the element
  2. negatively charged ion
  3. subatomic particle with no charge
  4. a substance consisting of two or more different elements combined
  5. starting material of a chemical reaction
  6. an unequal sharing of electrons that causes partial negative and positive charges
  7. a substance that cannot be broken down into any other substance
  8. a weak chemical bond formed between a slightly positive hydrogen atom and a slightly negative atom of another molecule
  9. attraction of a given atom for the electrons of a covalent bond
  10. an element with a varying number of neutrons
  11. an equal sharing of electrons between two atoms
Down
  1. subatomic particle with a negative charge
  2. positively charged ion
  3. the bonding capacity of a given atom or the number of covalent bonds it can form
  4. the dissolving agent of a solution
  5. measure of H+ concentration
  6. a liquid that is a homogenous mixture of two or more substances
  7. ending material of a chemical reaction
  8. substance dissolved in a solution
  9. subatomic particle with positive charge
  10. a bond formed resulting from the attraction between oppositely charged ion

21 Clues: positively charged ion • negatively charged ion • measure of H+ concentration • subatomic particle with no charge • substance dissolved in a solution • the dissolving agent of a solution • ending material of a chemical reaction • subatomic particle with positive charge • starting material of a chemical reaction • subatomic particle with a negative charge • ...

Basic Chemistry 2025-03-17

Basic Chemistry crossword puzzle
Across
  1. The number of protons in the nucleus of an atom, which determines the element
  2. Cl-
  3. A chemical reaction in which an atom or molecule gains electrons
  4. The type of bond forming NaCl
  5. This is the fear of water
  6. The smallest unit of an element
  7. A substance that resists changes in pH
  8. The bond that connects complementary bases between two DNA strands
  9. The element represented by K
  10. CO2
  11. A chemical bond formed when one atom transfers electrons to another, creating oppositely charged ions that attract each other
Down
  1. HCO3-
  2. An ion with a negative charge
  3. Na+
  4. The type of bond forming H20
  5. Atoms of the same element with different numbers of neutrons
  6. A weak bond formed when a hydrogen atom, already covalently bonded, is attracted to another electronegative atom like O or N
  7. A type of bond where electrons are shared between atoms
  8. When an atom or molecule gains or loses electrons
  9. The total number of protons and neutrons in an atom's nucleus
  10. Found in the nucleus of an atom
  11. An ion with a positive charge
  12. The element represented by N
  13. A chemical reaction in which an atom or molecule loses electrons
  14. Another name for a hydrogen ion

25 Clues: Na+ • Cl- • CO2 • HCO3- • This is the fear of water • The type of bond forming H20 • The element represented by K • The element represented by N • An ion with a negative charge • The type of bond forming NaCl • An ion with a positive charge • The smallest unit of an element • Found in the nucleus of an atom • Another name for a hydrogen ion • A substance that resists changes in pH • ...

Atoms & Molecules 2024-08-29

Atoms & Molecules crossword puzzle
Across
  1. - The amount of matter in an object, typically in atomic mass units (amu).
  2. - The smallest unit of an element.
  3. - A group of atoms bonded together.
  4. - A combination of symbols showing the elements in a compound.
  5. - A substance that cannot be broken down into simpler substances.
  6. - Atoms of the same element with different numbers of neutrons.
  7. - The outer electrons of an atom that are involved in bonding.
  8. - Referring to the repeating pattern of chemical properties in elements.
  9. - A substance produced in a chemical reaction.
  10. - An atom or molecule with an electric charge due to the loss or gain of electrons.
  11. - A substance made of two or more elements chemically bonded.
  12. - A force that holds atoms together in a molecule.
Down
  1. - A one or two-letter abbreviation representing an element.
  2. - The central core of an atom, containing protons and neutrons.
  3. - The electric property of particles, positive, negative, or neutral.
  4. - A substance that takes part in a chemical reaction.
  5. - A region around the nucleus where an electron is likely found.
  6. - A negatively charged particle that orbits the nucleus.
  7. - A neutral particle found in the nucleus of an atom.
  8. - A positively charged particle in the nucleus of an atom.

20 Clues: - The smallest unit of an element. • - A group of atoms bonded together. • - A substance produced in a chemical reaction. • - A force that holds atoms together in a molecule. • - A substance that takes part in a chemical reaction. • - A neutral particle found in the nucleus of an atom. • - A negatively charged particle that orbits the nucleus. • ...

Aceron Clint Timothy 2025-12-04

Aceron Clint Timothy crossword puzzle
Across
  1. / anything that has mass and takes space
  2. / dense center containing protons and neutrons
  3. / negatively charged particle orbiting nucleus
  4. / neutral particle found in nucleus
  5. Number / sum of protons and neutrons in an atom
  6. / group of atoms chemically bonded together
  7. / process of atoms joining into a larger atom
  8. / substance formed in a chemical reaction
  9. / easily changes or reacts
  10. / smallest unit that makes up matter
  11. Mass / weighted average mass of an element’s atoms
  12. / force that holds atoms together
  13. / smallest amount of energy possible
  14. / positively charged particle in nucleus
  15. / atom of same element with different neutrons
Down
  1. / tiny piece that makes up matter
  2. / substance made of one type of atom
  3. / energy released as waves or particles
  4. / level where electrons orbit the nucleus
  5. / regions that show where electrons may be
  6. / splitting of an atom into smaller parts
  7. / arranged in repeating chemical patterns
  8. Cloud / space around nucleus where electrons move
  9. / not likely to change or react
  10. / atom that has gained or lost electrons
  11. / substance made from different elements bonded
  12. / starting substance in a chemical reaction
  13. / ability to cause change or do work
  14. / electrons in the outermost shell
  15. Number / number of protons that identifies an element

30 Clues: / easily changes or reacts • / not likely to change or react • / tiny piece that makes up matter • / force that holds atoms together • / electrons in the outermost shell • / neutral particle found in nucleus • / substance made of one type of atom • / smallest unit that makes up matter • / ability to cause change or do work • / smallest amount of energy possible • ...

enzyme puzzle 2020-01-27

enzyme puzzle crossword puzzle
Across
  1. / enzyme lacked by lactose intolerant people
  2. / rate of reaction as pH exceeds the optimum level
  3. / enzymes that can be used many times, resulting in cost saving
  4. / region on the surface of the enzyme to which the substrate binds and which catalyses the reaction
  5. / induced by the substrate approaching the enzyme
  6. / The substrate and active site match each other structurally and chemically
  7. / reactant in a biochemical reaction
  8. / change in the conformation of the protein
  9. / globular protein that acts as a biological catalyst (increases the rate of reaction by lowering the activation energy threshold)
  10. / enzymes attached to a material so that their movement is restricted
  11. / affected by the substrate concentration
Down
  1. / the substrate and active site happen to be correctly aligned to allow binding to take place
  2. / Minimum energy required for the reactants to possess in order to undergo a chemical reaction
  3. / contain proteases and lipases to break down stains
  4. / coming together of a substrate and an active site
  5. / can cause denaturation as vibrations in the molecule break the intermolecular bonds or interactions
  6. / increase in rate of reaction caused by a globular protein
  7. / enzyme that catalyses the conversion of hydrogen peroxide into water and oxygen
  8. / used in cheese production

19 Clues: / used in cheese production • / reactant in a biochemical reaction • / affected by the substrate concentration • / change in the conformation of the protein • / enzyme lacked by lactose intolerant people • / induced by the substrate approaching the enzyme • / rate of reaction as pH exceeds the optimum level • / coming together of a substrate and an active site • ...

UNIT 7: HEAT AND ENERGY 2024-12-09

UNIT 7: HEAT AND ENERGY crossword puzzle
Across
  1. Process at constant temperature.
  2. Transition between solid, liquid, and gas.
  3. Substance speeding up a reaction without being consumed.
  4. States enthalpy change is independent of reaction pathway.
  5. Temperature at which liquid becomes gas.
  6. Heat required to vaporize a liquid.
  7. SI unit of energy.
  8. Minimum energy required for a reaction to occur.
  9. Energy available to do work.
  10. Tendency of a process to occur without external input.
  11. Energy required to break a chemical bond.
  12. Direct change from gas to solid.
  13. Stored energy within chemical bonds.
  14. Heat transfer through direct contact.
  15. When two objects reach the same temperature.
  16. Reaction that releases heat.
  17. Temperature at which solid becomes liquid.
Down
  1. Unit of heat; energy to raise 1 g of water by 1°C.
  2. Process at constant pressure.
  3. Heat content of a system.
  4. Heat required to raise temperature of a unit mass by 1°C.
  5. Total heat required to raise an object's temperature.
  6. Everything outside the system.
  7. Heat required for phase change without temperature change.
  8. Heat transfer via electromagnetic waves.
  9. Heat released during complete burning of a substance.
  10. Energy of motion, often related to temperature.
  11. Heat transfer through fluid movement.
  12. Energy transfer by force over distance.
  13. Heat required to melt a solid.
  14. Temperature at which liquid becomes solid.
  15. Measure of thermal energy.
  16. Direct change from solid to gas.
  17. Process with no heat exchange.
  18. The study of energy transformations.
  19. Measure of system disorder.
  20. Reaction that absorbs heat.
  21. Device used to measure heat changes in reactions.
  22. Process at constant volume.
  23. Part of the universe being studied.

40 Clues: SI unit of energy. • Heat content of a system. • Measure of thermal energy. • Measure of system disorder. • Reaction that absorbs heat. • Process at constant volume. • Energy available to do work. • Reaction that releases heat. • Process at constant pressure. • Everything outside the system. • Heat required to melt a solid. • Process with no heat exchange. • ...

Antonio2.1vocab 2021-10-26

Antonio2.1vocab crossword puzzle
Across
  1. arrow usually points away from the reaction
  2. change in matter
  3. chemical change
Down
  1. a chemical reaction
  2. absorbs heat
  3. substances that are formed
  4. takes up some amount of space
  5. gives of heat

8 Clues: absorbs heat • gives of heat • chemical change • change in matter • a chemical reaction • substances that are formed • takes up some amount of space • arrow usually points away from the reaction

Sciene 2023-09-26

Sciene crossword puzzle
Across
  1. two or more atoms connected by chemical bonds
  2. 2 chemicals formed together
  3. a number placed in front of a chemical symbol or formula
  4. The substances which participate in a chemical reaction
Down
  1. a small-sized number on the bottom right of the symbol
  2. substance that is present at the end of a chemical reaction
  3. the name of a
  4. a particle of matter that uniquely defines a chemical element

8 Clues: the name of a • 2 chemicals formed together • two or more atoms connected by chemical bonds • a small-sized number on the bottom right of the symbol • The substances which participate in a chemical reaction • a number placed in front of a chemical symbol or formula • substance that is present at the end of a chemical reaction • ...

Chapter 19 & 20 Chemistry 2022-05-11

Chapter 19 & 20 Chemistry crossword puzzle
Across
  1. a single electrode submerged in a solution of its ions
  2. the mor active an element is, the (blank) its tendency to lose electrons and a better reducing agent it is
  3. a process in which a substance acts as both an oxidizing agent and a reducing agent
  4. a battery that combines the oxidation-reduction chemistry of both voltaic and electrolytic cells
  5. a reaction in which elements undergo changes in oxidation numbers
  6. the process of passing a current through a cell for which the cell potential is negative causing an oxidation-reduction reaction to occur
  7. a substance that has the potential to cause another substance to be reduced is a reducing (blank)
  8. a conductor used to establish electrical contact with a nonmetallic part of a circuit such as an electrolyte
  9. assigning oxidation numbers is the (blank) step in balancing redox reactions
  10. oxidation is losing reduction is gaining
  11. processes in which the oxidation state of an element decreases
  12. (blank) cells use spontaneous oxidation-reduction reactions to convert chemical energy to electrical energy [galvanic cells]
Down
  1. a substance that has the potential to cause another substance to increase in charge is a(n) (blank) number
  2. the branch of chemistry that
  3. an electrolytic process in which a metal is reduced and a solid metal is deposited on a surface
  4. the part of a reaction involving oxidation or reduction alone is a (blank) reaction
  5. the potential of a half-cell under standard conditions measured relative to standard hydrogen electrode is (blank) electrode potential
  6. the electrode where reduction occurs
  7. an electrochemical cell that requires an external source of electrical energy to drive a chemical reaction that would not otherwise occur
  8. the electrode where oxidation occurs
  9. with electricity related applications of oxidation-reduction reactions
  10. processes in which the atoms or ions of an element experience an increase in oxidations state

22 Clues: the branch of chemistry that • the electrode where reduction occurs • the electrode where oxidation occurs • oxidation is losing reduction is gaining • a single electrode submerged in a solution of its ions • processes in which the oxidation state of an element decreases • a reaction in which elements undergo changes in oxidation numbers • ...

Paper 3 & 4 Crossword 2 2024-06-10

Paper 3 & 4 Crossword 2 crossword puzzle
Across
  1. - Rate of doing work (5)
  2. - Resistance when surfaces move against each other (8)
  3. - Substance dissolved in a solvent (6)
  4. - Opposition to current (10)
  5. - Flow of electric charge (7)
  6. - Unit of force (6)
  7. - Positive electrode in electrolysis (5)
  8. - Substance that dissolves a solute (7)
  9. - Negative electrode in electrolysis (6)
  10. - Process of using electricity to cause a chemical change (12)
  11. - Positively charged particle (6)
  12. - Atom with same number of protons, different neutrons (7)
  13. - Process of a liquid changing to a gas (10)
  14. - Natural source of a metal (3)
  15. - Transition from solid to gas without passing through liquid (11)
  16. - Rate of change of velocity (12)
  17. - Force applied over distance (4)
Down
  1. - Electrical potential difference (7)
  2. - Homogeneous mixture of solute and solvent (8)
  3. - Unit of energy (5)
  4. - Speed in a given direction (8)
  5. - Product of an acid and base reaction (4)
  6. - Push or pull on an object (5)
  7. - Substance that speeds up a chemical reaction (8)
  8. - Force of attraction between objects with mass (7)
  9. - Reaction between an acid and a base to form water and a salt (14)
  10. - Center of an atom (7)
  11. - Reaction that releases heat (10)
  12. - Neutral particle in an atom (7)
  13. - Scale used to measure acidity or alkalinity (2)
  14. - Negatively charged particle (8)
  15. - State where the forward and reverse reactions occur at the same rate (11)
  16. - Reaction that absorbs heat (10)
  17. - Mixture of metals (5)
  18. - Process of a gas changing to a liquid (12)
  19. - Mass in motion (8)
  20. - Number of particles in a mole (8)

37 Clues: - Unit of force (6) • - Unit of energy (5) • - Mass in motion (8) • - Center of an atom (7) • - Mixture of metals (5) • - Rate of doing work (5) • - Opposition to current (10) • - Flow of electric charge (7) • - Push or pull on an object (5) • - Natural source of a metal (3) • - Speed in a given direction (8) • - Neutral particle in an atom (7) • - Negatively charged particle (8) • ...

#cellbiology 2019-05-21

#cellbiology crossword puzzle
Across
  1. Compounds within the cells that do not disolve in water;fats and lipids
  2. Structure composed with DNA that is wrapped in proteins
  3. Protein that carries molecules throughout the body
  4. Lipid with two lipid tails
  5. Allows only certain things to enter and leave the cell
  6. Chemical that speeds up a chemical reaction without being used up
  7. When cells lose the normal controls that regulate their growth and division
Down
  1. Protein that catalyzes a chemical reaction within an organism
  2. Microbe that is responsible for invading another cell to reproduce
  3. Event where chromosomes of a parent cell seperate into two identical sets
  4. Movement of substances from lower to higher concentrations
  5. Process when DNA is copied within each cell
  6. Disease that disrupts the body's ability to process sugars;noninfectious disease
  7. Measure of acidity
  8. Cell compartment that is surrounded by a membrane anad carries materials to other cells

15 Clues: Measure of acidity • Lipid with two lipid tails • Process when DNA is copied within each cell • Protein that carries molecules throughout the body • Allows only certain things to enter and leave the cell • Structure composed with DNA that is wrapped in proteins • Movement of substances from lower to higher concentrations • ...

Photosynthesis 2026-01-08

Photosynthesis crossword puzzle
Across
  1. — Gas released as a product of photosynthesis.
  2. storage — Way plants keep extra sugar (often stored as starch for later use).
  3. respiration — Process cells use to break down sugar for usable energy.
  4. — Substances made at the end of a chemical reaction.
  5. equation — A model that shows reactants and products using symbols and formulas.
  6. — Tiny openings on leaves where gases move in and out.
  7. — Sugar (food) made by plants during photosynthesis.
  8. — Process plants use to make sugar using sunlight, water, and carbon dioxide.
Down
  1. — Starting materials in a chemical reaction.
  2. — Anything that has mass and takes up space (like water and carbon dioxide).
  3. — Plant cell structure where photosynthesis happens.
  4. — Reactant absorbed by roots and used in photosynthesis.
  5. — Green pigment that absorbs light energy.
  6. dioxide — Gas from the air plants take in to help make sugar.
  7. — The energy source that powers photosynthesis.
  8. — The ability to do work; in photosynthesis it comes from light.

16 Clues: — Green pigment that absorbs light energy. • — Starting materials in a chemical reaction. • — Gas released as a product of photosynthesis. • — The energy source that powers photosynthesis. • — Plant cell structure where photosynthesis happens. • — Substances made at the end of a chemical reaction. • — Sugar (food) made by plants during photosynthesis. • ...

thermochemistry 2022-12-09

thermochemistry crossword puzzle
Across
  1. the heat energy given out when one one mole of a substance burns
  2. the change in the enthalpy of a chemical reaction that occurs at a constant pressure
  3. the amount of energy is neither created nor changed
  4. heat absorbed by 1 mole of that substance as it is converted from a solid to a liquid
  5. accompanied by or requiring the adsorption of heat
  6. energy which a body possesses by virtue of being in motion
  7. accompanied by the release of heat
  8. the energy stores in the chemical bonds of substances
  9. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
  10. the quality of being hot
  11. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge,and other factors
Down
  1. the heat absorbed by one mole of a substance as it is converted from gas to liquid
  2. the SI unit of work or energy, equal to the work done by a force of one
  3. used to measure amounts of heat transferred to or from substances
  4. the degree or intensity of heat present in an object
  5. the heat required to raise the temperature of the unit
  6. power derived from the utilizations of physical or chemical resources, especially to provide light and heat or to work machines
  7. a unit of energy equivalent to the heat energy needed to raise the temperature
  8. an appartys for measuring the amount of heat involved in a chemical reaction

19 Clues: the quality of being hot • accompanied by the release of heat • accompanied by or requiring the adsorption of heat • the amount of energy is neither created nor changed • the degree or intensity of heat present in an object • the energy stores in the chemical bonds of substances • the heat required to raise the temperature of the unit • ...

Chemical Reactions 3 2024-08-27

Chemical Reactions 3 crossword puzzle
Across
  1. One sign that a chemical reaction has taken place is a _______ being produced.
  2. On way of telling that a solid has dissolved is there is no solid left at the _______.
  3. The _______ the particle size, the faster the reaction.
  4. The _______ the temperature, the slower the reaction.
Down
  1. Solubility is how much of a solid ________.
  2. One sign that a chemical reaction has taken place is a ________ change.
  3. One sign that a chemical reaction has taken place is the reaction getting _______.
  4. One sign that a chemical reaction has taken place is a _______ being produced.

8 Clues: Solubility is how much of a solid ________. • The _______ the temperature, the slower the reaction. • The _______ the particle size, the faster the reaction. • One sign that a chemical reaction has taken place is a ________ change. • One sign that a chemical reaction has taken place is a _______ being produced. • ...

science cross word 2017-06-13

science cross word crossword puzzle
Across
  1. a law where energy can neither be created nor destroyed
  2. the outcome in a chemical reaction
  3. More than one substances turning into other substances.
  4. when the electronegativity force between two atoms is higher than 2.0
  5. the strongest intermolecular force
  6. the weakest intermolecular force
  7. the number of heat units needed to raise the temperature of a body by one degree
  8. the physical laws that describe the properties of gases
Down
  1. the state in which both reactants and products are present in concentrations which have no further tendency to change with time.
  2. when the electronegativity force between two atoms is 0.4 or less
  3. what is being used in a chemical reaction
  4. concerned with the quantities of heat evolved or absorbed during chemical reactions.
  5. Attraction formed when elements share electrons.
  6. polar molecules that have partial charges to each other like magnets
  7. when the electronegativity force between two atoms is between 0.4 and 2.0

15 Clues: the weakest intermolecular force • the outcome in a chemical reaction • the strongest intermolecular force • what is being used in a chemical reaction • Attraction formed when elements share electrons. • a law where energy can neither be created nor destroyed • More than one substances turning into other substances. • ...

Chapters 7-9 2023-11-06

Chapters 7-9 crossword puzzle
Across
  1. A bond that forms from the interaction of parallel p orbitals
  2. the mixing of atomic orbitals
  3. -dipole: Attractive forces that act between polar molecules
  4. The numeric values written to the left of each species in a chemical equation to balance the equation
  5. The dissolved substance in a solution
  6. The number of moles of solute per liter of solution
  7. An ionic compound made up of the cation from a base and the anion from an acid
  8. Substance in a solution that is present in the largest amount
Down
  1. A bond in which the shared electron density is concentrated directly along the internuclear axis
  2. The angle between two adjacent A-B bonds
  3. A substance that forms in a chemical reaction
  4. ____ Yield: Maximum amount of product that can be formed
  5. The process of preparing a less concentrated solution from a more concentrated one
  6. Dissolved in water
  7. A substance that is consumed in a chemical reaction

15 Clues: Dissolved in water • the mixing of atomic orbitals • The dissolved substance in a solution • The angle between two adjacent A-B bonds • A substance that forms in a chemical reaction • A substance that is consumed in a chemical reaction • The number of moles of solute per liter of solution • ____ Yield: Maximum amount of product that can be formed • ...

Microbial Metabolism 2022-10-20

Microbial Metabolism crossword puzzle
Across
  1. Organisms that obtain energy from light.
  2. Chemical reactions that break down complex molecules.
  3. A molecule that specifically binds to the active site of an enzyme.
  4. Organisms that utilize organic molecules to obtain energy.
  5. Enzyme bounded with either cofactor or coenzyme.
  6. Synthesize complex molecules.
  7. Enzyme with neither cofactor nor coenzyme bounded.
  8. A type of inhibitor that regulates enzymatic reaction by preventing the binding of substrate to the active site of an enzyme.
Down
  1. Inorganic ions that maintain the stable conformation of enzyme and its function.
  2. Organisms obtain their energy from chemical compounds.
  3. Uses inorganic molecules for energy production.
  4. An organic molecule that is usually derived from vitamins that aid in normal enzymatic reaction.
  5. An inhibitor causing a change in the conformation of the enzyme and alters its functionality.
  6. Biological catalyst that increases the rate of chemical reactions within the cell.
  7. Energy currency of the cell.

15 Clues: Energy currency of the cell. • Synthesize complex molecules. • Organisms that obtain energy from light. • Uses inorganic molecules for energy production. • Enzyme bounded with either cofactor or coenzyme. • Enzyme with neither cofactor nor coenzyme bounded. • Chemical reactions that break down complex molecules. • Organisms obtain their energy from chemical compounds. • ...

Language of Chemistry 2016-05-13

Language of Chemistry crossword puzzle
Across
  1. CO is symbol for
  2. Anions which contain single atoms with a negative charge
  3. A union who recommended method to write atomic symbols of elements
  4. This ion is required in our body for strengthening of bones
  5. CCl4 is symbol for
  6. Chemist who simplified the system by using letters of the alphabets alone
  7. Chemist who represented the atoms of different elements using symbols
  8. NaCl is symbol for
  9. Co2 is symbol for
Down
  1. an instrument which can directly produce the image of the atom that lie on the surface of an element
  2. An electrically charged atom of an element
  3. The new substances produced in the reaction
  4. The ultimate particle of a chemical compound
  5. PCl3 is symbol for
  6. The method of representing a chemical reaction with the help of symbols and formulae of the substances involved in it
  7. The substances which combine or react
  8. A compound made up of only two elements
  9. An abbreviation or short representation of the chemical name of an element is known as
  10. Groups of atoms that react as single atoms and keep their identity in many reactions
  11. The ultimate particle of an element

20 Clues: CO is symbol for • Co2 is symbol for • PCl3 is symbol for • CCl4 is symbol for • NaCl is symbol for • The ultimate particle of an element • The substances which combine or react • A compound made up of only two elements • An electrically charged atom of an element • The new substances produced in the reaction • The ultimate particle of a chemical compound • ...

Weathering, Erosion & Deposition 2023-11-16

Weathering, Erosion & Deposition crossword puzzle
Across
  1. Where a body of water meets the land
  2. A curve in a river or stream
  3. How caves are formed
  4. Rain, Acid rain, snow, hail...
  5. Where sediment is deposited at the mouth of a river
  6. A plant that dissolves minerals
  7. A rock spear on the ceiling
  8. Where sediment is deposited at the foot of a mountain
  9. Breaking down of rocks
  10. a burrowing reptile
  11. Sanding away rock by wind or water
  12. Weathering through reactions
  13. an intelligent marine mammal
  14. Erosion by non-plant life
  15. When wind or water drops sediment
  16. a digging bird
Down
  1. A landform in the water parallel to the mainland
  2. When water gets into cracks, freezes and breaks a rock
  3. Weathering through force and motion
  4. A pile of sand formed by wind
  5. an endangered marine mammal
  6. A form of precipitation that causes a chemical reaction
  7. What comes from rocks through weathering
  8. Flaking away rock pushed upwards from pressure
  9. A chemical reaction between minerals, water and oxygen
  10. A rock spear on the floor
  11. Where sand is washed upon the shoreline
  12. Weathering by non-animal life
  13. Taking away soil, sand or dirt

29 Clues: a digging bird • a burrowing reptile • How caves are formed • Breaking down of rocks • A rock spear on the floor • Erosion by non-plant life • an endangered marine mammal • A rock spear on the ceiling • A curve in a river or stream • Weathering through reactions • an intelligent marine mammal • A pile of sand formed by wind • Weathering by non-animal life • ...

Semester 1 8th grade Science Review 2025-12-17

Semester 1 8th grade Science Review crossword puzzle
Across
  1. composed of different kinds of molecules, can be physically separated
  2. a type of change that doesn't make a new substance
  3. an overgrowth of algae caused by excess nutrients in water
  4. 2 or more atoms bonded together
  5. all the water on Earth
  6. an area of land that drains into a river and its tributaries
  7. 1 kind of atom
  8. a type of change that makes a new substance
  9. coal, oil, and natural gas are these types of fuel
  10. what you start with in a chemical reaction
  11. composed of only one kind of molecule, can't be physically separated
Down
  1. the amount of suspended sediment in the water
  2. plant nutrients that cause eutrophication in high amounts
  3. building block of all matter
  4. Energy from burning recently living things like trees or ethanol from corn
  5. living things used to assess water health
  6. how acidic or basic water is
  7. a form of energy that produces radioactive waste
  8. what you end with in a chemical reaction
  9. able to be replenished
  10. Energy from the heat within Earth
  11. 2 or more DIFFERENT kinds of element bonded together
  12. not able to be replenished
  13. Energy from the sun

24 Clues: 1 kind of atom • Energy from the sun • able to be replenished • all the water on Earth • not able to be replenished • building block of all matter • how acidic or basic water is • 2 or more atoms bonded together • Energy from the heat within Earth • what you end with in a chemical reaction • living things used to assess water health • what you start with in a chemical reaction • ...

Unit 2 2026-03-26

Unit 2 crossword puzzle
Across
  1. process where molecules naturally move from clustered to spaced out
  2. water-fearing (tails of phospholipid)
  3. many tissues combined, each play a role in body functioning correctly
  4. two or more atoms chemically bonded together
  5. molecule that speeds up chemical reactions
  6. term for cell membrane only allowing certain molecules in or out of cell
  7. new molecules that enzyme breaks a substrate into
  8. place on substrate that enzyme bonds to
  9. the buildup of energy necessary for a chemical reaction
  10. term for the way molecules move across cell membrane without using energy
  11. any living thing is classified as this
Down
  1. many molecules combined to form different parts of a cell
  2. water-loving
  3. term for a substrate whose active site has become unsuitable for an enzyme
  4. process where cells spend energy to move molecules across cell membrane
  5. term for multiple organs working for the same bodily function
  6. basic unit of all life
  7. molecule of which enzyme performs chemical reaction
  8. many cells combined, multiple of these form organs
  9. _____ bilayer, consists of a head and two tails
  10. diffusion of water across cell membrane
  11. the basic unit of all matter

22 Clues: water-loving • basic unit of all life • the basic unit of all matter • water-fearing (tails of phospholipid) • any living thing is classified as this • place on substrate that enzyme bonds to • diffusion of water across cell membrane • molecule that speeds up chemical reactions • two or more atoms chemically bonded together • _____ bilayer, consists of a head and two tails • ...

Organic Chemistry 2022-01-26

Organic Chemistry crossword puzzle
Across
  1. any chemical species that seeks electrons
  2. The most simple ratio of number of atoms in a compound
  3. A species that is acted upon in a chemical reaction
  4. A visual representation of atoms and their bonds in a molecule
  5. a process in which two bonded atoms split, keeping their electrons as radicals
  6. any chemical species that seeks positively charged nuclei
  7. A combination of a halogen, or hydrogen halide to an unsaturated portion of a molecule
  8. Any non aliphatic organic compound
Down
  1. a molecular fragment that departs with a pair of electrons in heterolytic bond cleavage
  2. a nucleophillic subsitution
  3. Organic compounds that feature only C-C single bonding
  4. a process in which two bonded atoms split, keeping their electrons as radicals
  5. The linear list of atoms in a compound
  6. a reaction entailing the swapping of an atom or substituent on one position of a carbon
  7. Carbon based aromatic structures based on sextuple rings
  8. Any saturated/single bonded component of an organic compound

16 Clues: a nucleophillic subsitution • Any non aliphatic organic compound • The linear list of atoms in a compound • any chemical species that seeks electrons • A species that is acted upon in a chemical reaction • Organic compounds that feature only C-C single bonding • The most simple ratio of number of atoms in a compound • ...

Photosynthesis/Cellular Respiration 2025-08-28

Photosynthesis/Cellular Respiration crossword puzzle
Across
  1. A substance that is consumed or changed during a chemical reaction
  2. The process where light energy converts carbon dioxide and water into glucose and oxygen
  3. A biological catalyst that speeds up chemical reactions in cells
  4. The organelle in plant cells where photosynthesis takes place
  5. A substance that is formed as a result of a chemical reaction
  6. Requiring the presence of oxygen
  7. Occurring without the presence of oxygen
  8. The organelle in eukaryotic cells responsible for cellular respiration
  9. A substance that absorbs specific wavelengths of light.
Down
  1. The process that breaks down glucose in the presence of oxygen to release energy
  2. An organism that obtains energy by consuming other organisms
  3. A simple sugar that serves as a primary source of energy for cells
  4. The main energy-carrying molecule used by cells for various processes
  5. Small pores on plant leaves that allow for gas exchange
  6. An organism that produces its own food, usually through photosynthesis

15 Clues: Requiring the presence of oxygen • Occurring without the presence of oxygen • Small pores on plant leaves that allow for gas exchange • A substance that absorbs specific wavelengths of light. • An organism that obtains energy by consuming other organisms • The organelle in plant cells where photosynthesis takes place • ...

Chemistry Study Guide 2016-02-11

Chemistry Study Guide crossword puzzle
Across
  1. regions of space outside the nucleus of an atom where an electron may exist (rings)
  2. smallest part of an element and cannot be broken down any further
  3. abbreviation of an element
  4. new substances formed from a chemical reaction
  5. positively charged center of an atom (high density)
  6. same number of protons and electrons
  7. created Periodic Table
  8. energy is released (warmer)
  9. energy is absorbed (cooler)
  10. row of elements (7) (horizontal)
  11. shiny, good conductors of heat & electricity, solid
  12. element with low chemical reactivity, odorless, colorless
  13. column of elements (18) (vertical)
  14. atomic particles that move around the nucleus of an atom and carry a positive charge
  15. amount of matter in an atomic particle
  16. a reaction that occurs in which a layer of metal is bonded to the surface of another metal
  17. of Conservation of Mass matter, mixtures, pure substances can be changed, but the mass stays the same
Down
  1. combination of two or more elements
  2. chemical compound made up of different atoms bonded by chemical relationships
  3. electrons in outermost orbital
  4. substance that cannot be broken down into simpler substances
  5. atomic particles found in nucleus of atom, carry no electric charge
  6. cross of metals and no metals, can partially conduct electricity
  7. aren't malleable or ductile, poor conductors of heat and electricity
  8. atomic particles found in nucleus of atom, carry positive charge

25 Clues: created Periodic Table • abbreviation of an element • energy is released (warmer) • energy is absorbed (cooler) • electrons in outermost orbital • row of elements (7) (horizontal) • column of elements (18) (vertical) • combination of two or more elements • same number of protons and electrons • amount of matter in an atomic particle • ...

Unit 2 2022-09-26

Unit 2 crossword puzzle
Across
  1. function is to shuttle electrons from NADH to FADH2
  2. all the gasses surrounding earth
  3. pigment in chloroplasts
  4. substance at the beginning of a chemical reaction
  5. type of organism that is able to make its own food
  6. a situation in which oxygen is present
  7. releases energy by breaking down food molecules
  8. nutrient forms backbone for all macromolecules in living things
  9. type of organism that must eat other organisms to obtain energy
  10. water, soil, living things,(not air)
  11. site of cellular respiration
  12. converts light energy into chemical energy, where photosynthesis takes place
  13. alcoholic, lactic acid, acetic acid, alkaline
  14. all the soil and rocks on earth
  15. uses light energy to make molecules needed for photosynthesis
Down
  1. one of the principal chemical compounds the cells use to store and release energy, made up of adenosine, 5 carbon sugar, and 3 phosphate groups
  2. describes a situation in which oxygen is not present
  3. first step in the breakdown of glucose
  4. organisms that break down biotic compounds into abiotic compounds
  5. made up of adenosine, 5 carbon sugar, and 2 phosphate groups
  6. substances created during a chemical reaction
  7. AKA the Calvin cycle
  8. process of using light energy to make glucose
  9. used in proteins and nucleic acids, must be "fixed" for living things to use, often limited
  10. all water on earth
  11. citric acid cycle
  12. all living things on earth

27 Clues: citric acid cycle • all water on earth • AKA the Calvin cycle • pigment in chloroplasts • all living things on earth • site of cellular respiration • all the soil and rocks on earth • all the gasses surrounding earth • water, soil, living things,(not air) • first step in the breakdown of glucose • a situation in which oxygen is present • ...

Chemical Properties 2023-10-18

Chemical Properties crossword puzzle
Across
  1. - Process of forming ions in a solution.
  2. - Degree of harm a substance can cause to living organisms.
  3. - Not reactive under normal conditions.
  4. - Production of gas bubbles in a liquid.
  5. - Ability to be shaped or hammered into thin sheets.
  6. - Shiny appearance of a material.
  7. - Ability to increase the rate of a chemical reaction.
  8. - Attracting or dissolving in water.
  9. - Easily breaking or shattering when stressed.
  10. - Absorbing moisture from the air to the point of dissolving.
  11. - Resistance to decomposition or chemical change.
  12. - Absorbing moisture from the air.
Down
  1. - Degree of alkalinity or acidity, measured on the pH scale.
  2. - Not capable of burning easily.
  3. - Reaction with oxygen or other oxidizing agents.
  4. - How readily a substance undergoes chemical reactions.
  5. - Emitting radiation due to unstable atomic nuclei.
  6. - Easily ignitable and capable of burning.
  7. - Ability to catch fire and burn.
  8. - Ease of transitioning from a liquid to a vapor state.
  9. - Gradual deterioration of materials due to chemical reactions.
  10. - Susceptibility to burning in the presence of oxygen.
  11. - Repelling water.
  12. - Ability to dissolve in a solvent.
  13. - Ability to be stretched into a wire.
  14. - Poses a risk to human health when exposed.
  15. - Ability to stick to surfaces.
  16. - Ability to conduct electricity or heat.
  17. - Reactions involving the transfer of electrons.
  18. - Degree of acidity or alkalinity, measured on the pH scale.

30 Clues: - Repelling water. • - Ability to stick to surfaces. • - Not capable of burning easily. • - Ability to catch fire and burn. • - Shiny appearance of a material. • - Absorbing moisture from the air. • - Ability to dissolve in a solvent. • - Attracting or dissolving in water. • - Ability to be stretched into a wire. • - Not reactive under normal conditions. • ...

Chemistry final crossword 2020-06-14

Chemistry final crossword crossword puzzle
Across
  1. measure of the average energy of random motion of particles of matter.
  2. statement.
  3. change from liquid to a solid.
  4. a definite shape and a definite volume.
  5. very small region located at the center of an atom.
  6. mad of tow or more substance that are together in the same place but are not chemically combined.
  7. of two or more substances that are together by chemical bonds.
  8. that has mass and takes up space.
  9. distinct type of molecular compound.
  10. to the closeness of measurements to the correct or accepted value of the quantity measured.
  11. substance made from a chemical reaction.
Down
  1. force of its outward push divided by the area of the container.
  2. ability to do work or cause change.
  3. that takes place only on the surface of a liquid.
  4. found in the nucleus of the atom.
  5. of the senses to obtain information.
  6. change in state from a solid to a liquid.
  7. negatively charged subatomic particle.
  8. subatomic particle found in the nucleus of every atom except that of simple hydrogen.
  9. chemical reaction between a fuel and oxygen.
  10. substances that reacts in a chemical change use of the senses to obtain information.
  11. measure of the amount of matter.
  12. basic unit of matter.
  13. has a definite volume but no shape of its own.
  14. fluid that can change volume very easily.

25 Clues: statement. • basic unit of matter. • change from liquid to a solid. • measure of the amount of matter. • found in the nucleus of the atom. • that has mass and takes up space. • ability to do work or cause change. • of the senses to obtain information. • distinct type of molecular compound. • negatively charged subatomic particle. • a definite shape and a definite volume. • ...

Science Crossword - Chemistry, Physics, and Energy 2023-05-19

Science Crossword - Chemistry, Physics, and Energy crossword puzzle
Across
  1. Atoms with a positive or negative charge
  2. Chemicals you start with before the reaction in chemical equation
  3. Elements on periodic table can be grouped into these based on their chemical properties.
  4. Gases or brittle solids at room temperature, and good insulators
  5. Combination of two or more pure substances that are not chemically combined
  6. Positively charged ions
  7. New chemicals formed by the reaction in chemical equation
  8. Number of protons an atom has
  9. Atoms of the same elements that have a different atomic mass than found on the periodic table
  10. Vertical columns of elements on the periodic table
  11. Properties that are determined by the use of five senses
  12. Russian Chemist who developed periodic table in 1869, in order of increasing atomic mass.
  13. Good conductors of heat, exist as solids at room temperature
Down
  1. Average masses of all the isotopes of an element
  2. Simplest form of pure substance
  3. Ability to do work or cause change
  4. Horizontal rows of elements on periodic table
  5. Contains protons and neutrons
  6. Properties that are determined by a substance's ability to react with other substances.
  7. Pure substance that is unions of two or more different elements. Can be broken into simpler substances.
  8. Have properties of both metals and non-metals. Exist as solids at room temperature
  9. Negatively charged ions
  10. Energy that is transferred between objects that are different temperatures

23 Clues: Positively charged ions • Negatively charged ions • Contains protons and neutrons • Number of protons an atom has • Simplest form of pure substance • Ability to do work or cause change • Atoms with a positive or negative charge • Horizontal rows of elements on periodic table • Average masses of all the isotopes of an element • ...

Dictionary of Science! 2024-10-07

Dictionary of Science! crossword puzzle
Across
  1. particles used as building blocks
  2. a grouping of atoms bonded together
  3. the result of chemical reactions
  4. indicates the amount of an atom in a molecule
  5. the reaction of separating different elements
Down
  1. (two words)a singular element
  2. a substance that is unbreakable
  3. when 2 or more elements combine
  4. takes part in chemical reaction, on left side of arrow
  5. a number that represents the amount of molecules
  6. the amount of matter in an item

11 Clues: (two words)a singular element • a substance that is unbreakable • when 2 or more elements combine • the amount of matter in an item • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • indicates the amount of an atom in a molecule • the reaction of separating different elements • ...

Enzymes 2026-03-03

Enzymes crossword puzzle
Across
  1. materials of results
  2. starting materials of reaction
  3. build larger molecules from smaller ones to get a energy
  4. enzyme that active site change shapes
  5. reaction that release a energy
  6. minimum energy to start a reaction
Down
  1. all chemical reactions in cell and organism to keep a life
  2. helper that assists enzymes
  3. reaction that requires a energy
  4. enzyme shame is fit
  5. break larger molecules into smaller ones to release a energy
  6. the substance that block or slow down enzymes activation

12 Clues: enzyme shame is fit • materials of results • helper that assists enzymes • starting materials of reaction • reaction that release a energy • reaction that requires a energy • minimum energy to start a reaction • enzyme that active site change shapes • build larger molecules from smaller ones to get a energy • the substance that block or slow down enzymes activation • ...

Chapter 8 b 2021-03-23

Chapter 8 b crossword puzzle
Across
  1. The portion of a biological system's energy that can perform work when temperature and pressure are uniform throughout the system.
  2. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings.
  3. A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
  4. A spontaneous chemical reaction in which there is a net release of free energy.
  5. The capacity to cause change, especially to do work (to move matter against an opposing force).
Down
  1. A temporary complex formed when an enzyme binds to its substrate molecule(s).
  2. A substance that reduces the activity of an enzyme by entering the active site in place of the substrate, whose structure it mimics.
  3. In cellular metabolism, the use of energy released from an exergonic reaction to drive an endergonic reaction.
  4. Thermal energy in transfer from one body of matter to another.
  5. A macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction.

10 Clues: Thermal energy in transfer from one body of matter to another. • A temporary complex formed when an enzyme binds to its substrate molecule(s). • A spontaneous chemical reaction in which there is a net release of free energy. • A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings. • ...

savanna 2021-12-02

savanna crossword puzzle
Across
  1. displacement AB+CD=AD+CB
  2. AB+oxygen=oxides of A and B
  3. is a measure of the concentration of hydronium ions
  4. is a chemical that donates a hydrogen ion, H
  5. A+B=AB
Down
  1. when reaction and its reverse act at the same rate
  2. displacement AB+C=AC+B
  3. AB=A+B
  4. a substance that lowers the activation energy of a chemical reaction, which allows for the reacting to go faster
  5. is a chemical that accepts a hydrogen ion, H

10 Clues: AB=A+B • A+B=AB • displacement AB+C=AC+B • displacement AB+CD=AD+CB • AB+oxygen=oxides of A and B • is a chemical that accepts a hydrogen ion, H • is a chemical that donates a hydrogen ion, H • when reaction and its reverse act at the same rate • is a measure of the concentration of hydronium ions • ...

science keywords 2022-02-25

science keywords crossword puzzle
Across
  1. nonmetallic element that has some metal characteristics
  2. area outside the nucleus
  3. average atomic mass of an element
  4. arrangment of the chemical elements in rows and columns
  5. substance formed as a result of a chemical reaction
  6. the number of protons in the nuclues
Down
  1. does not condut heat very or electricity very well and is not hard
  2. combination of two or more bonded elements
  3. ability to be molded or shaped without breaking
  4. characteristic that shows up as a result of a chemical reaction

10 Clues: area outside the nucleus • average atomic mass of an element • the number of protons in the nuclues • combination of two or more bonded elements • ability to be molded or shaped without breaking • substance formed as a result of a chemical reaction • nonmetallic element that has some metal characteristics • arrangment of the chemical elements in rows and columns • ...

Chemistry Cross words 2024-08-18

Chemistry Cross words crossword puzzle
Across
  1. The smallest unit of a chemical element
  2. The central part of an atom, containing protons and neutrons (7 letters)
  3. A negatively charged particle found in atoms
  4. The number of protons in an atom's nucleus
  5. A change in which one or more substances are converted into new substance
Down
  1. Bond formed when atoms share electrons
  2. The chemical element with the symbol 'O'
  3. The pH level that is neither acidic nor basic
  4. A substance that speeds up a chemical reaction Catal
  5. Table showing all known elements

10 Clues: Table showing all known elements • Bond formed when atoms share electrons • The smallest unit of a chemical element • The chemical element with the symbol 'O' • The number of protons in an atom's nucleus • A negatively charged particle found in atoms • The pH level that is neither acidic nor basic • A substance that speeds up a chemical reaction Catal • ...

Chemistry Cross words 2024-08-18

Chemistry Cross words crossword puzzle
Across
  1. The smallest unit of a chemical element
  2. The central part of an atom, containing protons and neutrons
  3. A negatively charged particle found in atoms
  4. The number of protons in an atom's nucleus
  5. A change in which one or more substances are converted into new substance
Down
  1. Bond formed when atoms share electrons
  2. The chemical element with the symbol 'O'
  3. The pH level that is neither acidic nor basic
  4. A substance that speeds up a chemical reaction
  5. Table showing all known elements

10 Clues: Table showing all known elements • Bond formed when atoms share electrons • The smallest unit of a chemical element • The chemical element with the symbol 'O' • The number of protons in an atom's nucleus • A negatively charged particle found in atoms • The pH level that is neither acidic nor basic • A substance that speeds up a chemical reaction • ...

Photophosphorylation 2015-11-29

Photophosphorylation crossword puzzle
Across
  1. site of photophosphorylation
  2. major accessory pigment that absorbs wavelengths chlorophyll cannot absorb
  3. type of chlorophyll that transfers light energy to neighboring chlorophyll
  4. transfers electrons from reduced ferredoxin to NADP+
  5. reaction occurs when plants are not receiving light
  6. type of reaction center in bacteria that passes electrons through a quinone to an iron-sulfur center
  7. complex linking PSI and PSII also responsible for driving protons across the plasma membrane
  8. more loosely bound plastoquinone
  9. the capture of solar energy by photosynthetic organisms and its conversion to chemical energy
  10. about the amount of NADPH produced in noncyclic photophosphorylation
  11. for every _____ photons absorbed, one electron is transferred from H2O to NADP+
  12. excitation of this photosystem's reaction center drive electrons to ferrodoxin and produce NADPH
  13. about the amount of ATP produced in noncyclic photophosphorylation
  14. photophosphorylation that involves both photosystems
  15. responsible for driving ATP production
Down
  1. after the electron passes through the b6f complex, it goes through this protein
  2. these organisms release carbon dioxide
  3. photophosphorylation where ATP synthesis is driven by cyclic electron flow through PSI
  4. element that occupies the central position in a chlorophyll molecule
  5. type of reaction center in bacteria that passes electrons through pheophytin to a quinine
  6. ultimate source of electrons passed to NADPH in plants during photosynthesis is water
  7. main light absorbing pigment in photophosphorylation
  8. responsible for reducing NADP+ to NADPH
  9. complex containing chlorophyll associated with other proteins and membrane
  10. this complex is catalyzed by a manganese and calcium containing protein
  11. excitation of this photosystem's reaction center drive electrons through the cytochrome b6f complex
  12. pumped across thylakoid membrane to create energy through an electrochemical potential
  13. site where light energy is converted to chemical energy
  14. reaction that occurs when plants receive sunlight
  15. this complex is responsible for passing four electrons one at a time to PSII across the thylakoid membrane
  16. proteins that carry electrons between the two photosystems

31 Clues: site of photophosphorylation • more loosely bound plastoquinone • these organisms release carbon dioxide • responsible for driving ATP production • responsible for reducing NADP+ to NADPH • reaction that occurs when plants receive sunlight • reaction occurs when plants are not receiving light • transfers electrons from reduced ferredoxin to NADP+ • ...

Science multiple assignment 2023-06-24

Science multiple assignment crossword puzzle
Across
  1. piece of glass or other transparent substance that is used to form an image of an object by focusing rays of light from the object.
  2. rx^n when one reactant breaks down into two or more products
  3. The chemical substances which are formed due to a chemical reaction between two or more chemical substances
  4. the ratio of the height of image to the height of object
  5. a fist-sized organ that pumps blood throughout your body
  6. the process of obtaining the food necessary for health and growth.
  7. To get rid of waste material from the blood, tissues, or organs by a normal discharge
  8. displacement rx^n type of chemical reaction in which the reactant ions exchange places to form new products
Down
  1. the change in direction of a wave passing from one medium to another caused by its change in speed
  2. the movement of any substance from one place to another
  3. rx^n Reactions in which two or more reactants combine to form one product
  4. a substance that takes part in and undergoes change during a reaction
  5. The process of breaking down food into substances the body can use for energy, tissue growth, and repair.
  6. a reflective surface that bounces off light, producing either a real image or a virtual image
  7. that point, where the light rays coming from an object meet or appears to meet after reflection or refraction

15 Clues: the movement of any substance from one place to another • the ratio of the height of image to the height of object • a fist-sized organ that pumps blood throughout your body • rx^n when one reactant breaks down into two or more products • the process of obtaining the food necessary for health and growth. • ...

Chemistry final crossword 2020-06-10

Chemistry final crossword crossword puzzle
Across
  1. of two or more substances that are together in the same place but are not chemically combined.
  2. a definite volume but no shape of its own.
  3. force of its outward push divided by the area of the walls of the container
  4. substance made from a chemical reaction.
  5. very small region located at the center of an tom.
  6. that has mass and takes up space.
  7. statement.
  8. subatomic particle found in the nucleus of every atom except that of simple hydrogen.
  9. of two or more atoms held together by chemical bonds.
  10. basic unit of matter.
  11. fluid that can change volume very easily.
  12. found in the nucleus of the atom.
  13. use of the senses to obtain information.
  14. distinct type of molecular compound.
Down
  1. egatively charged subatomic particle.
  2. change from a liquid to a solid.
  3. a definite shape and a definite volume.
  4. to the closeness of measurements to the correct or accepted value of the quantity measured.
  5. ability to do work or cause change.
  6. of the averate energy of random motion of particles of matter.
  7. change in state from a solid to a liquid.
  8. that takes place only on the surface of a liquid.
  9. measure of the amount of matter
  10. substances that reacts in a chemical change
  11. chemical reaction between a fuel and oxygen

25 Clues: statement. • basic unit of matter. • measure of the amount of matter • change from a liquid to a solid. • that has mass and takes up space. • found in the nucleus of the atom. • ability to do work or cause change. • distinct type of molecular compound. • egatively charged subatomic particle. • a definite shape and a definite volume. • substance made from a chemical reaction. • ...

Chemistry Vocabulary 2025-04-23

Chemistry Vocabulary crossword puzzle
Across
  1. Identical molecules and substances.
  2. Temperature/ amount of energy that is transferred.
  3. change Bonds, new/ broken.
  4. Study with chemicals.
  5. change Change affecting the form.
  6. Species formed from chemical reaction.
  7. Energy released, heat.
  8. Reactant, low.
  9. Group of atoms.
  10. something visible.
Down
  1. Space/ amount of something in an object.
  2. The force that holds things together.
  3. property Property of a substance.
  4. Physical blend of multiple substances.
  5. Measurement, hot/cold.
  6. Matter, weight.
  7. Action, sticking together.
  8. Small, basic building block.
  9. Substance that converts into something new.

19 Clues: Reactant, low. • Matter, weight. • Group of atoms. • something visible. • Study with chemicals. • Measurement, hot/cold. • Energy released, heat. • change Bonds, new/ broken. • Action, sticking together. • Small, basic building block. • change Change affecting the form. • property Property of a substance. • Identical molecules and substances. • The force that holds things together. • ...

enzymology 2025-12-01

enzymology crossword puzzle
Across
  1. organic component of an enzyme
  2. substrate concentration at 1/2 vmax
  3. cardiac biomarker
  4. multiple forms with same enzyme activity
  5. takes part in a reaction
Down
  1. subrate binding site
  2. slows down the chemical reaction
  3. irreversible covalent modification
  4. Accelerate a chemcial reaction
  5. Marker of cholestasis

10 Clues: cardiac biomarker • subrate binding site • Marker of cholestasis • takes part in a reaction • organic component of an enzyme • Accelerate a chemcial reaction • slows down the chemical reaction • irreversible covalent modification • substrate concentration at 1/2 vmax • multiple forms with same enzyme activity

Chemistry Crossword puzzle by Pratham Taluja 10H 2022-07-17

Chemistry Crossword puzzle by Pratham Taluja 10H crossword puzzle
Across
  1. " ZnO + C -> Zn + CO" name the reaction
  2. A chemical reaction in which a more reactive element displaces a less reactive element from its compound
  3. A reaction in which heat is released
  4. Number of atoms of each element are same on both sides of the equation
  5. A substance which increases the rate of the reaction without itself undergoing any change.
Down
  1. New substance formed during chemical reaction
  2. Gain of oxygen or loss of hydrogen
  3. A reaction in which a single product is formed from 2 or more reactants

8 Clues: Gain of oxygen or loss of hydrogen • A reaction in which heat is released • " ZnO + C -> Zn + CO" name the reaction • New substance formed during chemical reaction • Number of atoms of each element are same on both sides of the equation • A reaction in which a single product is formed from 2 or more reactants • ...

Chemical Puzzle 2023-04-14

Chemical Puzzle crossword puzzle
Across
  1. a substance composed of two or more elements
  2. two or more atoms bonded together
  3. light or heat
  4. substances you start with before the chemical reaction
  5. ability to react with other elements
  6. substances you end with after the chemical reaction
Down
  1. anything that has a mass and takes up space
  2. center of the atoms
  3. make up all the matter in the universe
  4. ability to reflect light
  5. cloud outer layers of atoms

11 Clues: light or heat • center of the atoms • ability to reflect light • cloud outer layers of atoms • two or more atoms bonded together • ability to react with other elements • make up all the matter in the universe • anything that has a mass and takes up space • a substance composed of two or more elements • substances you end with after the chemical reaction • ...

Dictionary 2024-10-07

Dictionary crossword puzzle
Across
  1. particles used as building blocks
  2. when 2 or more elements combine
  3. indicates the amount of an atom in a molecule
  4. words) a singular element
  5. a substance that is unbreakable
  6. a number that represents the amount of molecules
  7. the amount of matter in an item
Down
  1. the reaction of separating different elements
  2. a grouping of atoms bonded together
  3. takes part in chemical reaction, on left side of arrow
  4. the result of chemical reactions

11 Clues: words) a singular element • when 2 or more elements combine • a substance that is unbreakable • the amount of matter in an item • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • the reaction of separating different elements • indicates the amount of an atom in a molecule • ...

Cooking 2021-02-11

Cooking crossword puzzle
Across
  1. often people think this bread is called this because it’s faster to make
  2. and ingredient that is white and fluffy
  3. main method to create the dough
  4. differs from quick
  5. a small ingredient to add a chocolate taste to muffins
  6. used to measure dry ingredients
Down
  1. a liquid ingredient that you usually dip Oreos in
  2. used to measure liquid ingredients
  3. Can be used to make the chemical reaction
  4. where you usually bake baked goods
  5. another thing that can cause a chemical reaction
  6. this ingredient is considered a solid fat
  7. butter is a prime example of what this is
  8. this is base of the baked good

14 Clues: differs from quick • this is base of the baked good • main method to create the dough • used to measure dry ingredients • used to measure liquid ingredients • where you usually bake baked goods • and ingredient that is white and fluffy • Can be used to make the chemical reaction • this ingredient is considered a solid fat • butter is a prime example of what this is • ...

Stoichiometry 2022-11-29

Stoichiometry crossword puzzle
Across
  1. the mass in grams of one mole of a compound
  2. a substance that has a fixed chemical composition
  3. an atom or group of atoms that has an electric charge
  4. the quantitative study of the reactants and products involved in a chemical reaction
  5. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  6. tells you by mass what percent of each element is present in a compound
Down
  1. a number used to change one set of units to another by multiplying or dividing
  2. the approximate number of nucleons in one gram of ordinary matter
  3. the chemical formula of an ionic compound that lists the ions in the lowest ratio that equals a neutral electrical charge
  4. a particle of matter that uniquely defines a chemical element
  5. a compound in which water molecules are chemically bound to another compound or an element
  6. contains the same number of each type of atoms on both the left and right sides of the reaction arrow
  7. represents the number of each atom present in a given molecule
  8. the relationship between the quantities of reactants and products before, during, and following chemical reactions
  9. a standard scientific unit for measuring large quantities of very small entities
  10. occur when chemical bonds between atoms are formed or broken

16 Clues: the mass in grams of one mole of a compound • a substance that has a fixed chemical composition • an atom or group of atoms that has an electric charge • occur when chemical bonds between atoms are formed or broken • a particle of matter that uniquely defines a chemical element • represents the number of each atom present in a given molecule • ...

Science Vocabulary 2023-02-23

Science Vocabulary crossword puzzle
Across
  1. ,The measure of the average kinetic energy of the particles in a material.
  2. The amount of matter in an object.
  3. The change in state from a liquid to a gas.
  4. Occurs when substances react with oxidizing agents, changing it to a new substance.
  5. Energy Energy due to motion.
  6. A number placed in front of an element symbol or chemical formula in an equation.
  7. The mass per unit volume of a substance.
  8. The amount of force per unit area applied to an object’s surface.
  9. Occurs when a substance reacts with another substance, changing it to a new substance.
  10. A starting substance in a chemical reaction.
Down
  1. The ability of a type of matter to burn easily.
  2. Matter with a composition that is always the same .
  3. potential energy The energy released when atoms form bonds.
  4. The amount of space a substance takes up.
  5. A substance containing atoms of two or more different elements chemically bonded together.
  6. The transfer of thermal energy from a region of higher temperature to a region of lower temperature.
  7. A substance that consists of only one kind of atom.
  8. A substance produced by a chemical reaction.
  9. Two or more atoms that are held together by covalent bonds and act as a unit.
  10. A small particle that is the building block of matter.

20 Clues: Energy Energy due to motion. • The amount of matter in an object. • The mass per unit volume of a substance. • The amount of space a substance takes up. • The change in state from a liquid to a gas. • A substance produced by a chemical reaction. • A starting substance in a chemical reaction. • The ability of a type of matter to burn easily. • ...

Chemistry Crossword 2017-02-08

Chemistry Crossword crossword puzzle
Across
  1. - carry a negative charge
  2. number - the number of protons in the nucleus
  3. (on the P.T.) - a column of elements in the periodic table of the chemical elements
  4. - a substance that takes part in and undergoes change during a reaction
  5. - the opposite of "exo"
  6. - material that is dull, nonmalleable, fragile
  7. Bohr- suggested that electrons move from one orbital to another
  8. electron - the outermost shell of an atom
  9. - a group of atoms bonded together
  10. - everything is made up of these
  11. - substance that is formed as the result of a chemical reaction
  12. - found all over the periodic table
  13. - a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
Down
  1. - the space outside the nucleus of an atom where an electron is
  2. - carry a positive charge
  3. - to be deposited in solid form from a solution
  4. Mendeleev - a Russian chemist, developed a periodic table of the chemical elements
  5. (on the P.T.) - horizontal rows in the periodic table, the same number of electron shells
  6. - a thing that is composed of two or more separate elements
  7. - the release of heat
  8. - properties are intermediate between those of metals and solid nonmetals
  9. Gas - gaseous
  10. - the center of an atom
  11. - carry no electrical charge
  12. of Conservation of Mass - mass in an isolated system, not destroyed by chemical reactions
  13. - a mark or character

26 Clues: Gas - gaseous • - the release of heat • - a mark or character • - the opposite of "exo" • - the center of an atom • - carry a positive charge • - carry a negative charge • - carry no electrical charge • - everything is made up of these • - a group of atoms bonded together • - found all over the periodic table • electron - the outermost shell of an atom • ...

Introduction to science 2023-05-18

Introduction to science crossword puzzle
Across
  1. The sun produces this
  2. Organism that contains Chlorophyll and uses photosynthesis
  3. Anything that takes up space, and can be weighed
  4. Substance that is present at the end of the chemical reactions
  5. Stored energy
  6. Sugar in your blood
  7. Colorless, odorless, and tasteless gas essential to living organisms
  8. Increasing of a plants volume and/or mass
  9. The begin of the growth of a seed into a seedling
  10. A simple molecule consisting of two atoms of hydrogen, and one of oxygen
  11. Tells you the number of atoms in an element
  12. Produces light energy
  13. The embryonic stage of a plant life cycle
  14. The process of breathing in oxygen and breathing out carbon dioxide
  15. Atoms bonded together
Down
  1. Disc shaped structure only found in plants
  2. The number of molecules or atoms involved in a chemical reaction
  3. Substance that is present at the start of the chemical reaction
  4. Made up of protons, neutrons, and electrons
  5. Parts of plants that absorb water and minerals and transport them to the stems
  6. Characteristics that enable us to differentiate one material from another
  7. How plants make food
  8. Generates ATP
  9. A chemical element and its compounds in the natural state
  10. A type of matter with special properties that make it less rigid than a solid, but more rigid than a gas
  11. Plants need this along with water and oxygen for photosynthesis

26 Clues: Stored energy • Generates ATP • Sugar in your blood • How plants make food • The sun produces this • Produces light energy • Atoms bonded together • Increasing of a plants volume and/or mass • The embryonic stage of a plant life cycle • Disc shaped structure only found in plants • Made up of protons, neutrons, and electrons • Tells you the number of atoms in an element • ...

Weathering and Erosion 2025-04-07

Weathering and Erosion crossword puzzle
Across
  1. curve formed when a stream erodes away
  2. structures built tp provide underoge for small vessels
  3. acidic rain chemically breaks down materials
  4. rocks undergo chemical composition due to chemical reaction
  5. Chemical or mechanical process that breaks down rock on earth surface
  6. land ridges of sand
  7. erosion that occurs when a rill channel widens and deepens
  8. channel that cuts through bedrock
  9. a ridge of sediments deposited by over flowing water
  10. become incorrection into a liquid
Down
  1. triangular deposit that forms where a stream enters a large body of water
  2. a bank that is nearly vertical
  3. rivers erode in 4 ways: abrasion, erosion, corrosion, and hydroreaction
  4. process that just breaks down rocks into smaller pieces
  5. the change of weather and temperature
  6. walls of concrete built to protect sand
  7. the inside of a meander
  8. deprive beaches down the coast of sand
  9. windblown particles like sand rub against materials and wear them away
  10. erosion wind particles picking up sediments away
  11. water freezesin the rock cracks and crack the rock completely
  12. chemical reaction of oxygen with other substances
  13. channel thatcuts through sediments
  14. a meander that cuts itself off and turns into a lake before drying up
  15. where plants grow into bedrock forming cracks
  16. land area drained by a stream system
  17. removal and transportation of one eroded material to another

27 Clues: land ridges of sand • the inside of a meander • a bank that is nearly vertical • channel that cuts through bedrock • become incorrection into a liquid • channel thatcuts through sediments • land area drained by a stream system • the change of weather and temperature • curve formed when a stream erodes away • deprive beaches down the coast of sand • ...

AQA GCSE Chemistry Revision Crossword 1 2026-03-30

AQA GCSE Chemistry Revision Crossword 1 crossword puzzle
Across
  1. An insoluble solid that emerges from a liquid solution during a chemical reaction.
  2. The process of removing salt from seawater to make it potable (drinkable).
  3. The minimum amount of energy that particles must have to react when they collide.
  4. Using bacteria to produce soluble metal compounds from low-grade ores.
  5. An experimental technique used to find the exact volume of an acid and alkali needed to neutralise each other.
  6. The thermal decomposition of long-chain hydrocarbons into shorter, more useful alkanes and alkenes.
  7. A "series" of organic compounds that have the same functional group and general formula.
  8. The constant (6.02×1023) representing the number of particles in one mole of a substance.
  9. A substance that increases the rate of reaction by providing an alternative pathway with lower activation energy.
  10. Atoms of the same element with the same number of protons but a different number of neutrons.
  11. The process of checking or adjusting an instrument to ensure its readings are accurate against a standard.
  12. Ions that do not take part in a chemical reaction and remain unchanged in the solution.
  13. The relationship between the relative quantities of substances taking part in a reaction (the molar ratio).
  14. Different structural forms of the same element in the same physical state (e.g., diamond and graphite).
  15. A type of reaction where a more reactive element takes the place of a less reactive element in a compound.
  16. A liquid or solution that contains ions and can conduct electricity.
  17. The loss of electrons or the gain of oxygen.
  18. The maximum mass of a product that could possibly be produced in a reaction, calculated from the balanced equation.
Down
  1. The strong force of attraction between oppositely charged ions in an ionic lattice.
  2. A large molecule made of many repeating units called monomers.
  3. A complex mixture designed as a useful product with specific properties (e.g., paint or fuel).
  4. A reaction that transfers energy to the surroundings, usually as heat.
  5. The tendency of a substance to vaporise or turn into a gas.
  6. An atom or group of atoms that determine the chemical properties of an organic compound.
  7. The reactant that is completely used up in a chemical reaction, determining the amount of product formed.
  8. A reaction that takes in energy from the surroundings, resulting in a temperature decrease.
  9. Particles that are between 1nm and 100nm in size, possessing a high surface-area-to-volume ratio.
  10. A compound consisting of only hydrogen and carbon atoms.
  11. The type of equilibrium where the forward and reverse reactions occur at the exact same rate.
  12. Added to aluminium oxide to lower its melting point during electrolysis, saving energy.
  13. Describes a substance that contains no water of crystallisation.
  14. Polymers that do not melt when heated because they contain cross-links between polymer chains.
  15. Organic compounds which are joined together in straight chains, branched chains, or non-aromatic rings (Higher context).
  16. The principle stating that if a change is made to a system at equilibrium, the system shifts to counteract the change.
  17. Molecules that naturally exist as pairs of atoms, such as N2​, O2​, or Cl2​.
  18. The physical result (the paper with spots) produced by a chromatography experiment.
  19. A reaction where the products can react together to reform the original reactants.
  20. Using plants to absorb metal compounds from the soil before harvesting and burning them.
  21. The gain of electrons or the loss of oxygen.
  22. The functional group −COOH found in organic acids like ethanoic acid.
  23. The amount of substance in a certain volume of solution, measured in g/dm3 or mol/dm3.
  24. The organic product formed when an alcohol reacts with a carboxylic acid.

42 Clues: The gain of electrons or the loss of oxygen. • The loss of electrons or the gain of oxygen. • A compound consisting of only hydrogen and carbon atoms. • The tendency of a substance to vaporise or turn into a gas. • A large molecule made of many repeating units called monomers. • Describes a substance that contains no water of crystallisation. • ...

Chemistry Energetics 2022-02-22

Chemistry Energetics crossword puzzle
Across
  1. the standard enthalpy change of ___ is the difference between the enthalpy of the products and enthalpy of reactants under standard condition.
  2. the energy or heat energy content of a substance with units kJ/mol
  3. the higher the enthalpy, the less ___ the substance
  4. a hypothetical gas whose molecules occupy negligible space and have no interactions (5,3)
  5. a positive enthalpy change shows an ___ reaction
  6. any moving object possesses ___ energy
  7. the enthalpy of ___ of a substance is the change in enthalpy produced when one mole of fuel is reacted with excess oxygen to produce carbon dioxide and water
  8. the enthalpy of ___ is the change in enthalpy when one mole of a substance in the standard state is formed from its pure elements under the same conditions.
  9. a chemical equation written with an associated change in enthalpy value (14,8)
  10. the act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state
  11. the enthalpy of ___ is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution
  12. the minimum energy required for a reaction to occur (10,6)
Down
  1. the amount of energy required to break one mole of bonds in the gaseous state averaged across a range of compounds containing that bond (7,4,8)
  2. according to ___'s law, the heat absorbed or released in a chemical process is the same, whether the process takes place in one or several steps
  3. the energy required to raise the temperature of 1g of a substance by 1K (8,4,8)
  4. a negative enthalpy change shows an ___ reaction
  5. a theory that explains rate of reactions at a molecular level (9,6)
  6. ~101.325kPa, 273K
  7. the enthalpy of ___ is the change in enthalpy that occurs when one equivalent of an acid and one equivalent of a base undergo a reaction to form water and salt.
  8. a substance that increases the rate of reaction without being consumed

20 Clues: ~101.325kPa, 273K • any moving object possesses ___ energy • a negative enthalpy change shows an ___ reaction • a positive enthalpy change shows an ___ reaction • the higher the enthalpy, the less ___ the substance • the minimum energy required for a reaction to occur (10,6) • the energy or heat energy content of a substance with units kJ/mol • ...

Chemical Equilibrium 2024-06-07

Chemical Equilibrium crossword puzzle
Across
  1. ,All reactants and products are in the same phase.
  2. ,Study of reaction rates and mechanisms.
  3. ,Reaction absorbs heat; shifts right with added heat.
  4. ,Equilibrium constant for reactions in terms of partial pressures.
  5. ,Amount of substance in a given volume.
  6. ,Minimum energy required to start a reaction.
  7. ,The calculation of reactants and products in chemical reactions based on the balanced equation.
  8. ,Does not affect the equilibrium position.
  9. ,The change in position of equilibrium in response to a change in concentration, temperature, or pressure.
  10. ,Reaction releases heat; shifts left with added heat.
  11. ,State where the forward and reverse reactions occur at equal rates.
  12. ,Used to predict the direction of the reaction's shift to reach equilibrium. (G)
  13. ,Shifts equilibrium to oppose the change in concentration.
  14. ,Ratio of product concentrations to reactant concentrations at equilibrium. (K)
  15. ,"When a system at equilibrium is disturbed, it shifts to counteract the disturbance."
Down
  1. ,Tool to calculate concentrations at equilibrium (Initial, Change, Equilibrium).
  2. ,The step-by-step sequence of elementary reactions by which overall chemical change occurs.
  3. ,Can alter the equilibrium position by favoring endo- or exothermic pathways.
  4. ,When reactants are favored at equilibrium, it shifts towards the.
  5. ,The change in the Gibbs free energy as the number of moles of the substance is increased.
  6. ,Substance that speeds up a reaction without being consumed.
  7. ,Reactants and products are in different phases.
  8. ,Pressure exerted by a single gas in a mixture.
  9. ,Solubility of a gas in liquid is proportional to its partial pressure.
  10. ,The reaction where reactants turn into products.
  11. ,Equilibrium constant for reactions in terms of concentration.
  12. ,When products are favored at equilibrium, it shifts towards the.
  13. ,The relative concentrations of reactants and products at equilibrium.
  14. ,Affects equilibrium in gaseous systems.
  15. ,Speed at which reactants turn into products.

30 Clues: ,Amount of substance in a given volume. • ,Study of reaction rates and mechanisms. • ,Affects equilibrium in gaseous systems. • ,Does not affect the equilibrium position. • ,Minimum energy required to start a reaction. • ,Speed at which reactants turn into products. • ,Pressure exerted by a single gas in a mixture. • ,Reactants and products are in different phases. • ...

Chemistry 2018-02-26

Chemistry crossword puzzle
Across
  1. A substance that reacts with a base to form a salt and water only. Any chemical substance that can donate protons or accept electrons.
  2. A species formed by the chemical combination of two or more elements.
  3. A substance that reacts with an acid to form a salt and water only. Any chemical substance that can accept protons or donate electrons.
  4. A non-homogenous mixture formed by immiscible liquids.
  5. The homogeneous mixture of a solute, which can be a solid or a liquid or a gas, dissolved in a solvent.
  6. A solid substance that has been separated from a liquid in a chemical process
  7. A substance used to cause a chemical reaction, especially in order to find out if another substance is present. Sometimes used as a synonym of reactant.
Down
  1. A combination of two or more substances that mix together without any chemical reaction taking place. An example is air which consists of nitrogen, oxygen, argon, carbon dioxide, etc. They do not have a fixed composition and can usually be easily separated.
  2. A heterogeneous (or non-homogeneous) mixture formed by the combination of a solid (solute) and a liquid (solvent)
  3. A substance that makes a chemical reaction happen faster without being changed itself.
  4. A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
  5. A substance, especially a liquid, that can dissolve another substance, usually the component of a solution present in the largest amount.
  6. A measure of the acidity of a solution: it equals -log[H3O+]

13 Clues: A non-homogenous mixture formed by immiscible liquids. • A measure of the acidity of a solution: it equals -log[H3O+] • A species formed by the chemical combination of two or more elements. • A solid substance that has been separated from a liquid in a chemical process • A substance that makes a chemical reaction happen faster without being changed itself. • ...

Physical & Chemical Changes 2018-05-29

Physical & Chemical Changes crossword puzzle
Across
  1. Gas becoming a liquid.
  2. Two atoms attracted to each other.
  3. Molecules the only contain two atoms.
  4. molecules with two or more atoms bonded
  5. Oxygen, carbon and helium are all _______.
  6. Damage to metal by the environment.
  7. Made of protons, neutrons and electrons.
  8. Gas that is dangerous to breathe in.
  9. Reacting substances must collide or come into contact.
  10. Two or more atoms bonded together.
  11. Solid to gas or gas to solid.
  12. Another word for evaporation.
  13. Chain molecule of simpler repeating units.
Down
  1. Solid to a liquid by heat.
  2. Produces new chemicals.
  3. Changing a liquid into a gas.
  4. Written on the right side of the chemical equation.
  5. A substance that increases the rate of a chemical reaction.
  6. Molecules with the same atoms bonded.
  7. A type of catalyst.
  8. Focusing really hard.
  9. group of two or more atoms that are bonded
  10. Horizontal rows of elements.
  11. Gas form of a solid or liquid,e.g.water vapour.
  12. All elements on a table.
  13. One single atom.
  14. Columns of elements.
  15. Written on the right side of the chemical equation.
  16. Arrangement of particles in a regular pattern.
  17. Easily becomes a gas.

30 Clues: One single atom. • A type of catalyst. • Columns of elements. • Focusing really hard. • Easily becomes a gas. • Gas becoming a liquid. • Produces new chemicals. • All elements on a table. • Solid to a liquid by heat. • Horizontal rows of elements. • Changing a liquid into a gas. • Solid to gas or gas to solid. • Another word for evaporation. • Two atoms attracted to each other. • ...

Properties of Matter Review 2022-02-23

Properties of Matter Review crossword puzzle
Across
  1. The liquid substance that is the larger part of a solution (e.g. tea)
  2. Substances are mixed together
  3. The atoms are packed tightly together in this state
  4. This is an example of a mixture
  5. This is an example of a chemical change that occurs when you leave metal objects outside over a long period of time
  6. A combination of two or more substances that can be easily separated (e.g. Trail Mix)
  7. This is an example of a physical change
  8. This type of reaction lets out heat energy
  9. These particles have no charge
  10. Physical changes are usually ________
Down
  1. The atoms expand to fill all the space in the container
  2. This type of reaction takes in heat energy
  3. The process by which water changes to water vapor
  4. A change in size, shape, or state
  5. This is an example of a chemical change that releases heat and light energy
  6. A mixture in which the substances are evenly mixed and not easily separated (e.g. sweet tea)
  7. The atoms are free to move around in this state
  8. The process by which ice changes to water
  9. These particles have a negative charge
  10. One substance is dissolved in the other
  11. This is an example of a solution
  12. The substance that is being dissolved
  13. These changes are usually irreversible
  14. These particles have a positive charge

24 Clues: Substances are mixed together • These particles have no charge • This is an example of a mixture • This is an example of a solution • A change in size, shape, or state • The substance that is being dissolved • Physical changes are usually ________ • These particles have a negative charge • These changes are usually irreversible • These particles have a positive charge • ...

Plants 2021-04-01

Plants crossword puzzle
Across
  1. Tissue that interacts with environment such as epidermis
  2. Connects Stigma to Ovary
  3. sticky surface atop pistil that catches pollen
  4. A deactivated version of ATP
  5. Tissue used for food storage
  6. Chemical that absorbs light energy for photosynthesis
  7. Female part of flower
  8. Organism that makes its own food
  9. This Tissue is used for transport
  10. Vascular Tissue that moves water
  11. hairs Increase the surface area for water absorption
  12. Respiration with Oxygen
  13. Vascular tissue that moves sugars
  14. Male part of Flower
  15. Scientific name for sugars
  16. Male gamete of plants
  17. These are required to start the chemical reaction
  18. These are the what gets produced during the reaction
Down
  1. Respiration without Oxygen
  2. Contains the pollen
  3. Holds the Anther aloft
  4. Waxy layer on leaf surface
  5. Chemical Currency produced by Cell Respiration
  6. C(6)H(12)0(6)
  7. Contains the eggs
  8. Opening in Leaf surface for gas exchange
  9. Processed used by plants to make food
  10. Tissue that makes new xylem and phloem and causes widening of plant (Secondary growth)
  11. Used by cells to make energy in ATP
  12. This Tissue is responsible for primary plant growth

30 Clues: C(6)H(12)0(6) • Contains the eggs • Contains the pollen • Male part of Flower • Female part of flower • Male gamete of plants • Holds the Anther aloft • Respiration with Oxygen • Connects Stigma to Ovary • Respiration without Oxygen • Waxy layer on leaf surface • Scientific name for sugars • A deactivated version of ATP • Tissue used for food storage • Organism that makes its own food • ...

Cells and Classification 2021-08-04

Cells and Classification crossword puzzle
Across
  1. A structural layer surrounding the plant cell
  2. The part of the microscope that you look through
  3. A gas that is necessary to maintain life
  4. A membrane bound set of organs
  5. The basic components of every living thing
  6. The main type of sugar in the blood and is the major source of energy for the body's cells
  7. A chemical reaction that plants use to make there own food
  8. A fluid vital for all forms of life
  9. Vital for the body to function
  10. Found in plant cells, photosynthesis takes place in this organelle
Down
  1. The powerhouse of the cell
  2. Found in all cells and separates the interior of the cell from the outside environment
  3. The part of the microscope where the specimen goes
  4. A thick solution that fills each cell and is enclosed by the cell membrane
  5. A chemical compound composed of carbon and oxygen
  6. A chemical reaction that happens in all living cells
  7. A sub-cellular structure that has multiple specific jobs to perform in the cell
  8. Contains genetic material and other instructions
  9. Used to look at microscopic things
  10. Light coming from the sun

20 Clues: Light coming from the sun • The powerhouse of the cell • A membrane bound set of organs • Vital for the body to function • Used to look at microscopic things • A fluid vital for all forms of life • A gas that is necessary to maintain life • The basic components of every living thing • A structural layer surrounding the plant cell • ...

Enzymes, DNA & Protein Synthesis 2023-09-12

Enzymes, DNA & Protein Synthesis crossword puzzle
Across
  1. The creation or combination of something
  2. DNA --> RNA --> Proteins
  3. Dynamic fit between enzyme and substrate that allows for ideal binding
  4. Cell organelle where DNA is located; transcription takes place
  5. Enzyme's specific region to which a substrate binds
  6. Sugar found in DNA
  7. Monomer of proteins
  8. A similarly shaped molecule completes with the substrate by binding to an enzyme's active site
  9. Shape of DNA
  10. Molecule an enzyme acts upon
  11. Speeds up a chemical reaction without being used up
  12. Carries genetic information from the nucleus to the ribosomes
  13. Sugar found in RNA
Down
  1. Cell organelle that is the site of translation
  2. Process that changes an enzyme's shape, leaving it ineffective
  3. Released after a chemical reaction with an enzyme
  4. Composed of a sugar, phosphate and nitrogenous base
  5. Guanine pairs with this nitrogenous base
  6. Energy needed for reactions to begin
  7. Adenine, thymine, guanine, cytosine, uracil
  8. In RNA will bind with adenine
  9. Copying of a DNA sequence to form a complementary strand of mRNA
  10. Process in which mRNA is decoded and a protein produced
  11. Their experiment created organic molecules from inorganic substances
  12. Type of protein that speeds up chemical reactions

25 Clues: Shape of DNA • Sugar found in DNA • Sugar found in RNA • Monomer of proteins • DNA --> RNA --> Proteins • Molecule an enzyme acts upon • In RNA will bind with adenine • Energy needed for reactions to begin • The creation or combination of something • Guanine pairs with this nitrogenous base • Adenine, thymine, guanine, cytosine, uracil • ...

Science Crossword 2023-04-21

Science Crossword crossword puzzle
Across
  1. Containing terms all of the same degree
  2. Negatively charged subatomic particle which orbits the nucleus
  3. The "Universal Solvent"
  4. Uncharged subatomic particle found in the nucleus of an atom
  5. Atom of the same element with a different number of neutrons resulting in a different atomic mass
  6. Seperating mixtures using heat
  7. Positively charged subatomic particle found in the nucleus
  8. Diverse in character or content
  9. Particular kind of matter with uniform properties
  10. Special type of homogeneous mixture
  11. A positively charged ion
Down
  1. First element on the Periodic Table
  2. Made of 2 or more substances
  3. Group of 2 or more atoms held by chemical bonds
  4. Made up or consisting of two or more existing elements
  5. The smallest unit of matter
  6. A substance which dissolves the other
  7. Chemical reaction in which an atom or molecule loses electrons resulting in an increase in its state
  8. The center of the Atom
  9. Chemical reaction in which an atom or molecule gains electrons resulting in a decrease in its state
  10. State of matter which contains of particles very close to each other and vibrate about fixed positions
  11. The substance being dissolved

22 Clues: The center of the Atom • The "Universal Solvent" • A positively charged ion • The smallest unit of matter • Made of 2 or more substances • The substance being dissolved • Seperating mixtures using heat • Diverse in character or content • First element on the Periodic Table • Special type of homogeneous mixture • A substance which dissolves the other • ...

Physical and Chemical Change 2017-06-04

Physical and Chemical Change crossword puzzle
Across
  1. when a gas becomes a liquid.
  2. the amount of a substance in a set volume.
  3. a substance that increases the rate of a chemical reaction without undergoing any permanent chemical change.
  4. reaction procedure that produces new chemicals; same as chemical change.
  5. substance made up of two or more different types of atoms bonded together, e.g. water.
Down
  1. the damage caused to metal by its environment.
  2. pure substance made up of only one type of atom, e.g. oxygen, carbon.
  3. a molecule that contains only two atoms.
  4. theory when substances react, their particles must come into contact or collide with each other.
  5. to change state from a liquid to a gas.
  6. when two objects remain attracted to each other.
  7. Smallest particle of matter that cannot be created, destroyed or broken down.

12 Clues: when a gas becomes a liquid. • to change state from a liquid to a gas. • a molecule that contains only two atoms. • the amount of a substance in a set volume. • the damage caused to metal by its environment. • when two objects remain attracted to each other. • pure substance made up of only one type of atom, e.g. oxygen, carbon. • ...

Matter & Its Changes 2026-03-04

Matter & Its Changes crossword puzzle
Across
  1. a substance containing atoms of two or more different elements chemically bonded together.
  2. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.
  3. a starting substance in a chemical reaction.
  4. two or more atoms that are held together by covalent bonds and act as a unit.
  5. a process in which atoms of one or more substances rearrange to form one or more new substances.
  6. the change in state from a liquid to a gas.
  7. the transfer of thermal energy from a region of higher temperature to a region of lower temperature.
  8. a characteristic of matter that can be observed or measured without changing the identity of the matter.
  9. matter with a composition that is always the same.
  10. an increase in a material's volume when the temperature is increased.
  11. a number placed in front of an element symbol or chemical formula in an equation.
  12. a decrease in a material's volume when the temperature is decreased.
  13. a small particle that is the building block of matter.
  14. energy due to motion.
  15. occurs when a substance reacts with another substance, changing it into a new substance.
  16. the result of the motion of all the particles, and the distance and attractions between those particles in the system.
  17. a characteristic of matter that can be observed as it changes to a different type of matter.
Down
  1. the amount of force per unit area applied to an object's surface.
  2. a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties.
  3. the ability of a type of matter to burn easily.
  4. more energy is required to break the bonds of the reactants than is released when products form.
  5. occurs when substances react with oxidizing agents, changing it to a new substance.
  6. more energy is released when the products form than is required to break the bonds in the reactants.
  7. law that states that energy is always transferring, but energy is not created or destroyed.
  8. the energy released when atoms form bonds.
  9. the amount of matter in an object.
  10. the mass per unit volume of a substance.
  11. stored energy due to the interactions between objects or particles.
  12. the measure of the average kinetic energy of the particles in a material.
  13. a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound.
  14. the amount of space a substance takes up.
  15. a substance produced by a chemical reaction.
  16. a substance that consists of only one type of atom.

33 Clues: energy due to motion. • the amount of matter in an object. • the mass per unit volume of a substance. • the amount of space a substance takes up. • the energy released when atoms form bonds. • the change in state from a liquid to a gas. • a starting substance in a chemical reaction. • a substance produced by a chemical reaction. • ...

Chapter 4 Vocabulary 2017-11-17

Chapter 4 Vocabulary crossword puzzle
Across
  1. splits glucose into three-carbon molecules
  2. produces molecules that carry energy to the second part of cellular respiration
  3. coin-shaped membrane-enclosed compartments
  4. using chemical energy instead of light energy to make energy-storing carbon-based molecules
  5. a process that captures energy from sunlight to make sugars that store chemical energy
  6. low energy molecule that can be converted to ATP
  7. releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present
  8. reaction that uses energy from light-dependent reactions to make sugar
  9. process that does not need oxygen
Down
  1. membrane-bound organelles where photosynthesis takes place in plants
  2. a molecules in chloroplasts that absorbs some of the energy in visible light
  3. absorbs light
  4. series of proteins in the membrane of the thylakoid
  5. reaction that captures energy from the sunlight
  6. enzyme that makes ATP
  7. causes your muscles to burn while working out
  8. uses carbon dioxide and energy carried by ATP to make simple sugars
  9. removes electrons from NADH molecules and recycles NAD+ molecules
  10. is a molecule that transfers energy from the breakdown of food molecules to cell processes
  11. process where oxygen is needed to take place

20 Clues: absorbs light • enzyme that makes ATP • process that does not need oxygen • splits glucose into three-carbon molecules • coin-shaped membrane-enclosed compartments • process where oxygen is needed to take place • causes your muscles to burn while working out • reaction that captures energy from the sunlight • low energy molecule that can be converted to ATP • ...

Chapter 2 Crossword - Madi Childs 2018-10-01

Chapter 2 Crossword - Madi Childs crossword puzzle
Across
  1. The attraction of water molecules for each other
  2. Nonpolar molecules
  3. The immaterial stuff that gets things done
  4. The measure of the speed at which particles of a substance move
  5. When water attracts to other substances besides water
  6. Organic compounds made of carbons, hydrogens, and oxygens
  7. Stored chemical energy that holds two atoms together
  8. Changes that don't change a matter's identity
  9. A substance that provides an alternate route from reactants to products that doesn't require as much energy to jump-start
  10. A substance that is present before a chemical reaction and takes part in it
Down
  1. A pure substance made of two or more elements chemically combined
  2. Large molecules that are super customized to make processes that are necessary to life happen life clockwork
  3. When matter changes in a way that completely transforms its identity
  4. The substance formed during a chemical reaction
  5. A class of organic compounds that serve as the building blocks or proteins
  6. Tendency of energy to disperse or randomize
  7. Pure substance made of ONE kind of atom
  8. A molecule that is a key molecular building block of life
  9. Simple carbohydrates
  10. The basic building block of matter

20 Clues: Nonpolar molecules • Simple carbohydrates • The basic building block of matter • Pure substance made of ONE kind of atom • The immaterial stuff that gets things done • Tendency of energy to disperse or randomize • Changes that don't change a matter's identity • The substance formed during a chemical reaction • The attraction of water molecules for each other • ...

Chapter 2 crossword - Renee Hintz 2018-10-01

Chapter 2 crossword - Renee Hintz crossword puzzle
Across
  1. a special class of catalyst
  2. pure substances made of only one kind of atom
  3. organic compounds made of carbons, hydrogens, and oxygens
  4. nonpolar molecules
  5. a change in a substance that does not change the identity of the substance
  6. stored energy that holds two atoms together
  7. a class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA
  8. the attraction between like particles within polar substances
Down
  1. a measurement of the average speed of the particles within a substance
  2. the basic building blocks of matter
  3. a substance that provides an alternate route from reactants to products
  4. the immaterial stuff that gets things done
  5. the tendency of energy to disperse
  6. a change in a substance that results in one or more new substances being formed that have different physical and chemical properties
  7. molecules that have a central carbon bonded to four groups
  8. a pure substance made from two or more elements that are chemically combined
  9. a substance that is present before a chemical reaction and takes part in it
  10. the attraction of particles in one substance for particles in a different substance
  11. the substances formed during a chemical reaction
  12. simple carbohydrates

20 Clues: nonpolar molecules • simple carbohydrates • a special class of catalyst • the tendency of energy to disperse • the basic building blocks of matter • the immaterial stuff that gets things done • stored energy that holds two atoms together • pure substances made of only one kind of atom • the substances formed during a chemical reaction • ...

Chapter 3.2 Matter and its Changes 2021-10-06

Chapter 3.2 Matter and its Changes crossword puzzle
Across
  1. when water gets hot and bubbles
  2. when ice melts it is.
  3. a type of gas that you have to have or else you die
  4. the ability of one material to disolve in another
  5. change to a change
  6. something that you light of on the 4th of July
  7. what type of state is a table.
  8. when you freeze water it turns to.
  9. a change in matter in which the substances that make that make up the matter change into substance with diffrent phisical and chiemacal properties
  10. an artist necessity.
  11. when when ice turns to water
  12. what is vapors changing state
  13. a particular kind of matter with uniform properties.
Down
  1. what do you need to be up and runing.
  2. states that that the total mass before a chemical reaction is the same as the total mass after a chemical reaction
  3. something that you bake with difrent coler
  4. something that falls of the trees in the fall
  5. a change in the size shape form or state of matter that does not change the matters idenity
  6. a color
  7. when trees burn in a forest fire light and ______ are signs of chemical change

20 Clues: a color • change to a change • an artist necessity. • when ice melts it is. • when when ice turns to water • what is vapors changing state • what type of state is a table. • when water gets hot and bubbles • when you freeze water it turns to. • what do you need to be up and runing. • something that you bake with difrent coler • something that falls of the trees in the fall • ...

Conservation in Reactions 2025-11-17

Conservation in Reactions crossword puzzle
Across
  1. Anything that has mass and takes up space.
  2. The law of conservation of mass is an important _____ in the field of chemistry.
  3. 2 C3HOH
  4. The small numbers written after the element symbol, and they tell us how many atoms of each element are present.
  5. Processes that involve the rearrangement of the atoms in a substance.
  6. Have three parts: the reactants, the products, and the arrow between them that symbolizes the reaction.
  7. 6 CO2 + 6 H2O + light energy 🡪 C6H12O6 + 6 O2
  8. neither created nor destroyed.
  9. The building blocks of matter, consisting of protons, neutrons, and electrons.
  10. The same amount of matter exists before and after a physical or chemical change.
  11. 300 g A + 100 g B 🡪 400 g AB
Down
  1. You can multiply the coefficient by the sum of the subscripts to determine this.
  2. The new substances created by the rearranged atoms.
  3. Identify which elements are present.
  4. C2H5OH
  5. Na + Cl 🡪 NaCl
  6. The initial substances being combined in a chemical equation.
  7. The numbers written before the formula, and they tell us how many molecules of the compound you have.
  8. CH3OH
  9. In chemical reaction atoms are simply _____ into new substances.

20 Clues: CH3OH • C2H5OH • 2 C3HOH • Na + Cl 🡪 NaCl • 300 g A + 100 g B 🡪 400 g AB • neither created nor destroyed. • Identify which elements are present. • Anything that has mass and takes up space. • 6 CO2 + 6 H2O + light energy 🡪 C6H12O6 + 6 O2 • The new substances created by the rearranged atoms. • The initial substances being combined in a chemical equation. • ...

Chemistry Fall Review 2013-12-09

Chemistry Fall Review crossword puzzle
Across
  1. Found on the periodic table and cannot be separated out to a more pure form.
  2. A group of elements with the same number of valence electrons, and similar characterics including reactivity.
  3. Family with 3 valence electrons.
  4. Type of physical property that does not depend on the amount of mass of a substance.
  5. Discovered the modern periodic table.
  6. An amount equal to 6.02 x 10^23.
  7. Type of mixture that cannot be easily separated such as Kool-aid, generally a solution.
  8. Family with an oxidation number of -3.
  9. Type of physical property that depends on the amount of mass of a substance.
  10. Good conductor of heat and electricity, malleable, shiny.
  11. Your current science class.
  12. Mass is neither created nor destroyed, it just changes forms. Basis for the chemical reaction--what goes in must come out (5 words).
  13. Has an atomic mass of 12.011.
  14. Many data points that are closely grouped together.
  15. Has the atomic symbol Na.
  16. Compressible, atoms move quickly and have a large amount of space between them--no fixed shape or volume.
  17. A physical property defined at mass/volume and has units of g/ml org/cm^2.
  18. Used gold foil experiment to determine that most of an atom's mass is in the nucleus.
  19. Establishes identity of the element.
  20. Conroe high school mascot.
  21. Has an atomic number of 17.
  22. An element that has lost or gained electrons.
Down
  1. Negative particle of an atom.
  2. A negative ion.
  3. Variations of an element with different numbers of neutrons.
  4. Vertical columns of elements on the periodic table.
  5. Most reactive family of elements (2 words).
  6. Type of mixture that can be easily separated such as chunky peanut butter, or stew.
  7. The densely packed middle of an atom.
  8. Dull, brittle, most are gases, poor conductors of heat and electricity.
  9. Change that results in new compounds.
  10. Hypothesized that electrons traveled in discrete orbits around the nucleus.
  11. The mass of one mole of an element and is equal to its atomic mass in grams (2 words).
  12. The combination of 2 or more substances that does not result in a chemical change.
  13. The result of a chemical reaction.
  14. The number of protons and neutrons in the nucleus (2 words).
  15. 2 or more molecules or elements chemically bound to each other and can only be changed by a chemical reaction.
  16. The number of protons in an element (2 words).
  17. Chemical family that does not react (2 words).
  18. Attaining the intended target.
  19. Has the atomic symbol Xe.
  20. Property that can be observed by the 5 senses.
  21. Published the first periodic table in which the elements are arranged by atomic.
  22. Not compressible, atoms are closely packed and only move slightly--has a fixed shape and volume.
  23. What goes into a chemical reaction.
  24. A positive ion.
  25. When 2 or more elements come together and bind chemically.
  26. Horizontal rows of elements on the periodic table.
  27. State in which we live.
  28. Slightly compressible, atoms slide past one another--no fixed shape, but does have a fixed volume.

50 Clues: A negative ion. • A positive ion. • State in which we live. • Has the atomic symbol Xe. • Has the atomic symbol Na. • Conroe high school mascot. • Your current science class. • Has an atomic number of 17. • Negative particle of an atom. • Has an atomic mass of 12.011. • Attaining the intended target. • Family with 3 valence electrons. • An amount equal to 6.02 x 10^23. • ...

Cellular Respiration and the Interdependence of Organ Systems 2017-10-30

Cellular Respiration and the Interdependence of Organ Systems crossword puzzle
Across
  1. Anything composed of atoms and, consequently, has mass and takes up space.
  2. Organ system responsible for transporting digested food molecules to cells around the body.
  3. System of chemical reactions occurring within cells in which the bonds in food and oxygen molecules are broken, new bonds are formed within products; energy from this process is used in condensation reactions to form ATP from ADP and Pi.
  4. Group of fatty or waxy organic molecules found in foods that are made mostly from carbon and hydrogen atom; they include oils, cholesterol and triglycerides.
  5. Term that is used to describe any substance containing carbon-based compounds, especially those produced by or derived from living organisms.
  6. The ability to do work; required to break chemical bonds and released when new chemical bonds form.
  7. Organelles where cellular respiration occurs.
  8. Neutral (uncharged) group of two or more atoms held together by chemical bonds.
  9. Group of organic molecules found in foods that are composed of amino acids.
Down
  1. Chemical reaction that involves breaking chemical bonds through the addition of water; occurs during chemical digestion and when ATP is split into ADP and Pi.
  2. An attraction between atoms in a molecule; energy is required to break this attraction and energy is released when this attraction forms; (eg.) covalent.
  3. Molecule that stores chemical energy and is used by cells to do work.
  4. Structures within the lungs that are surrounded by small blood vessels (capillaries) and involved in the exchange of oxygen and carbon dioxide gases.
  5. Structures within the small intestine that absorb digested food molecules and transport those molecules into the bloodstream.
  6. Group of organic molecules found in food that are composed of carbon, hydrogen and oxygen and include sugars, starch, and cellulose.
  7. Matter or energy that enters a process, such as a chemical reaction; a reactant.
  8. A large molecule composed of many small and simple repeating units.
  9. Type of energy released during cellular respiration; used to maintain internal body temperature.
  10. The process of breaking down food into smaller components that can be absorbed into the bloodstream.
  11. Organic substance containing carbohydrates, proteins, and/or fats that serves as both fuel and building material for an organism.

20 Clues: Organelles where cellular respiration occurs. • A large molecule composed of many small and simple repeating units. • Molecule that stores chemical energy and is used by cells to do work. • Anything composed of atoms and, consequently, has mass and takes up space. • Group of organic molecules found in foods that are composed of amino acids. • ...

Unit 4 Vocab Crossword 2026-01-09

Unit 4 Vocab Crossword crossword puzzle
Across
  1. A substance composed of two or more different elements chemically combined in a fixed ratio
  2. A compound composed of two different elements
  3. A compound composed of three different elements
  4. Charged species composed of two or more atoms covalently bonded together
  5. A number assigned to an element in a chemical compound to indicate the number of electrons lost or gained by the element
  6. A type of chemical bond that involves the sharing of electrons between atoms
  7. A group of atoms bonded together
  8. A chemical reaction that releases energy to its surroundings, often in the form of heat
Down
  1. The force that holds two or more atoms together and may result from the sharing or transferring of electrons between the atoms
  2. Forces of attraction between molecules that determine the physical properties of substances, such as boiling and melting points
  3. A system of naming and writing chemical formulas for compounds using Roman numerals
  4. A chemical reaction that absorbs energy from its surroundings
  5. Atoms tend to gain, lose, or share electrons to achieve a full set of eight valence electrons, leading to a stable electron configuration
  6. A molecule with an uneven distribution of electron density
  7. A type of chemical bond that involves the transfer of electrons from one atom to another, resulting in the formation of ions
  8. A molecule with an even distribution of electron density

16 Clues: A group of atoms bonded together • A compound composed of two different elements • A compound composed of three different elements • A molecule with an even distribution of electron density • A molecule with an uneven distribution of electron density • A chemical reaction that absorbs energy from its surroundings • ...

Chemical Bonding 2024-01-17

Chemical Bonding crossword puzzle
Across
  1. When a reaction lets off heat
  2. ________ electrons are on the outer most shell
  3. what does two hydrogen and one oxygen molecule make
  4. Bonds that share a Valance electrons in two elements are called __________ bonds
  5. This contains three basic particles-protons, Neutrons, and electrons.
  6. A group of atoms held together with chemical bonds.
Down
  1. Chemical ______ is all the elements in a thing shown
  2. When a reaction takes in heat
  3. Chemical ____ are the links between atoms in a substance that determines its identity
  4. A chemical ______ is change that happens that change the thing at a molecular level.

10 Clues: When a reaction lets off heat • When a reaction takes in heat • ________ electrons are on the outer most shell • what does two hydrogen and one oxygen molecule make • A group of atoms held together with chemical bonds. • Chemical ______ is all the elements in a thing shown • This contains three basic particles-protons, Neutrons, and electrons. • ...

chemical bonds 2022-10-26

chemical bonds crossword puzzle
Across
  1. a formula that shows how many atoms are in each element
  2. a _______ reaction occurs when chemical bonds give off heat
  3. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
  4. a ______ reaction occurs when chemical bonds absorb heat
  5. links between atoms in a substance that determine its identity
Down
  1. changing new substances that are different than the original substance
  2. the sharing of two or more electrons
  3. _________ electrons are the electrons in the outermost shell
  4. group of atoms held together by chemical bonds
  5. contain three basic particles, protons, neutrons, and electrons

10 Clues: the sharing of two or more electrons • group of atoms held together by chemical bonds • a formula that shows how many atoms are in each element • a ______ reaction occurs when chemical bonds absorb heat • a _______ reaction occurs when chemical bonds give off heat • _________ electrons are the electrons in the outermost shell • ...

Luca's Crossword Puzzle 2022-11-29

Luca's Crossword Puzzle crossword puzzle
Across
  1. the positively charged particles which are
  2. that have been chemically joined.
  3. The smallest particle of a substance that all of the physical and chemical properties that substance
  4. the unit of amount of substance
  5. a mathematical relationship or rule
  6. a substance made from two or more different
  7. a substance that is present at the end of a chemical reaction
  8. in relative amounts that can be varied
  9. the amount of a substance measured in
  10. (H2O)
  11. a subatomic particle found in the nucleus of every atom except that of simple
Down
  1. a particle of matter that uniquely defines
  2. up to what is called the limit of solubility
  3. a strong electrostatic attraction between
  4. a negatively charged subatomic particle that can be either bound to an atom or free(not bound).
  5. their reactions.
  6. a substance that changes when it is combined with another substance in a chemical reaction
  7. in the nucleus of an atom.
  8. in symbols.
  9. involves the loss of electrons
  10. a homogenous mixture of two or more
  11. the amount of matter
  12. charged ions
  13. involves the gain of electrons
  14. a scientist who works with chemicals or

25 Clues: (H2O) • in symbols. • charged ions • their reactions. • the amount of matter • in the nucleus of an atom. • involves the loss of electrons • involves the gain of electrons • the unit of amount of substance • that have been chemically joined. • a mathematical relationship or rule • a homogenous mixture of two or more • the amount of a substance measured in • ...

semester 1 physical science extra credit 2023-12-11

semester 1 physical science extra credit crossword puzzle
Across
  1. a compound is made from simpler materials
  2. a change that can be reversed
  3. a degree of compactness of a substance
  4. a process of rotting
  5. the kind of elements on the right side of the periodic table
  6. same number of protons but different number neutrons
  7. a subatomic with a negative charge
  8. a change that cannot be reversed
  9. a reaction that happens when heat is absorbed
  10. a subatomic with a neutral charge
Down
  1. a compound containing hydrogen and oxygen
  2. substances that take part in chemical reaction
  3. a release of heat
  4. a substance that is at the end of a chemical reation
  5. a place where all the elements are orginized
  6. the positive and negative ions in two compounds switch places
  7. a usually formal statement of the equality or equavalence of a mathematical or logical expressions
  8. an atom with a net charge
  9. an element that starts out by itself replaces another element in a compound
  10. a subatomic with a positive charge
  11. metal and chemical bond
  12. both elements are chemicals bond
  13. how a substance reacts chemically with other substances
  14. the kind of elements on the left side of the periodic table

24 Clues: a release of heat • a process of rotting • metal and chemical bond • an atom with a net charge • a change that can be reversed • both elements are chemicals bond • a change that cannot be reversed • a subatomic with a neutral charge • a subatomic with a positive charge • a subatomic with a negative charge • a degree of compactness of a substance • ...

Chemistry Basics 2024-11-22

Chemistry Basics crossword puzzle
Across
  1. change that doesn't create any new chemicals
  2. the atom with electron configuration 2,6
  3. has no charge
  4. this atom has 7 protons
  5. change that creates new chemicals
  6. the materials produced by a chemical reaction
  7. the rule that determines how many electrons fill the outermost shell of an atom
  8. negative part of the atom
  9. this atom has an atomic mass of 7
  10. atoms found on the right of the periodic table
  11. metals ______ electrons
  12. centre of the atom
Down
  1. the number that tells how many protons and neutrons are in the nucleus
  2. name for electrons found in the outermost shell
  3. an atom that has an overall charge
  4. has atomic number 79
  5. nonmetals _______ electrons
  6. a vertical column on the periodic table
  7. name for a negative ion
  8. makes up all matter
  9. the number that tells how many protons an atom has
  10. positive subatomic particle
  11. a row on the periodic table
  12. name for a positive ion
  13. number of electrons that fit in the first shell
  14. the materials used up in a chemical reaction
  15. number of electrons that fit in the second electron shell
  16. types of atoms found on the left of the periodic table

28 Clues: has no charge • centre of the atom • makes up all matter • has atomic number 79 • name for a negative ion • this atom has 7 protons • name for a positive ion • metals ______ electrons • negative part of the atom • nonmetals _______ electrons • positive subatomic particle • a row on the periodic table • change that creates new chemicals • this atom has an atomic mass of 7 • ...

Atoms 2025-10-21

Atoms crossword puzzle
Across
  1. The dense, central core of an atom, containing the protons and neutrons.
  2. A chart organizing all known elements based on their atomic number and properties.
  3. A vertical column in the periodic table containing elements with similar chemical properties.
  4. A process that results in the formation of new substances with different properties.
  5. A negatively charged particle that orbits the nucleus of an atom in layers or shells.
Down
  1. A neutral particle with no electric charge, also located in the atom's nucleus.
  2. A change in the form or appearance of a substance without making a new substance.
  3. The starting substance(s) in a chemical reaction that are used up or transformed.
  4. The new substance(s) formed as a result of a chemical reaction.
  5. A substance formed when two or more different elements are chemically bonded together.
  6. A pure substance that cannot be broken down into simpler substances by chemical means.
  7. A horizontal row in the periodic table; properties change gradually across a period.
  8. A group of two or more atoms held together by strong chemical bonds.
  9. The smallest unit of an element that still has the properties of that element.
  10. A positively charged particle found in the nucleus, or center, of an atom.

15 Clues: The new substance(s) formed as a result of a chemical reaction. • A group of two or more atoms held together by strong chemical bonds. • The dense, central core of an atom, containing the protons and neutrons. • A positively charged particle found in the nucleus, or center, of an atom. • ...

Science Vocabulary 2019-09-12

Science Vocabulary crossword puzzle
Across
  1. Acid an organic acid that contains a carboxyl group and an amino group.
  2. an intermediate in carbohydrate and lipid metabolism
  3. a disaccharide made of two monosaccharides.
  4. the building blocks of DNA and RNA.
  5. a chemical reaction that releases energy through light or heat.
  6. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
  7. Acids produced by the breakdown of fats through a process called hydrolysis.
  8. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  9. having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons.
  10. any of a class of sugars whose molecules contain two monosaccharide residues.
  11. the substance on which an enzyme acts.
Down
  1. requires or absorbs energy from its surroundings.
  2. polymers of amino acids.
  3. are molecular compounds made from carbon, hydrogen and oxygen.
  4. the building blocks of disaccharides and polysaccharides.
  5. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  6. Acid DNA or RNA.
  7. a carbohydrate whose molecules consist of a number of sugar molecules bonded together.
  8. containing the greatest possible number of hydrogen atoms, and so having no carbon–carbon double or triple bonds.
  9. a substance that is formed as the result of a chemical reaction.

20 Clues: Acid DNA or RNA. • polymers of amino acids. • the building blocks of DNA and RNA. • the substance on which an enzyme acts. • a disaccharide made of two monosaccharides. • requires or absorbs energy from its surroundings. • an intermediate in carbohydrate and lipid metabolism • the building blocks of disaccharides and polysaccharides. • ...

chapter 4,5,6 2014-02-26

chapter 4,5,6 crossword puzzle
Across
  1. the rapid reaction of a compound or element with oxygen to form an oxide
  2. a stainless steel device
  3. the number of protons and electrons in a neural atom is equal
  4. the measure of how much area of an object is exposed
  5. octet/the arrangement of eight electrons in the outernost shell
  6. changes changes in the ways the atoms and molecules in a pure substance are arranged and interconnected
  7. reaction usually involves two ionic solutions that react to produce two other ionic compounds
  8. a chemical compound that includes atleast one oxygen atom or ion together with one or more other elements
  9. they can form ions in more than one way,
  10. a pure substance that is composed of of two or more atoms
Down
  1. a reactive element and a compound react to produce another element and another compound
  2. top to bottom
  3. a liquid that can dissolve other substances
  4. combination reaction,two or more reactants
  5. the term given to the electric charge on the nucleus
  6. charged particles created when atoms lose or gain elcetrons
  7. is the breaking down of a compound into smaller compounds
  8. an insoluble solid that forms from a solution
  9. a group of atoms in which the atoms are bound together by sharing one or more pairs of of electrons
  10. a group
  11. a class of ionic compounds that can be formed during they reaction of a acid and a base
  12. smallest particle of any element that retains the properties of the element

22 Clues: a group • top to bottom • a stainless steel device • combination reaction,two or more reactants • a liquid that can dissolve other substances • an insoluble solid that forms from a solution • they can form ions in more than one way, • the measure of how much area of an object is exposed • the term given to the electric charge on the nucleus • ...

crossword assignment 2014-11-14

crossword assignment crossword puzzle
Across
  1. does lactate fermentation cause in your muscles
  2. diffusion/What system uses a facility to move molecules across membranes with out energy
  3. is the chemical formula for glucose
  4. anaerobic process causes cramps
  5. reaction/What are the reactions that don't require light
  6. fermentation/ What anaerobic process creates booze
  7. is the first step in creating ATP energy from glucose
  8. reaction/Chemical reactions that require light
  9. energy/ What energy is used to help make glucose
  10. What is the thin layer on top of the upper epidermis called
  11. What is the space between the guard cell
  12. Where does photosynthesis occur
  13. is the liquid inside the mitochondria
Down
  1. When lactate fermentation occur there is a lack of
  2. molecule starts ethanol fermentation and lactate fermentation
  3. what enzyme combines with pyruvate to create acetyl-coenzyme
  4. high energy molecule is produced when lactate is changed to pyruvate
  5. is the first photosystem called in the light dependant reaction
  6. transport chain/ What do electrons move down to create H2O
  7. What is the high energy molecule that you split the end off to make energy
  8. centre/What is the specialized chlorophyll A molecule in a photosystem
  9. carotene/ What pigment causes leaves to turn red yellow and orange in fall
  10. What is the funny looking mesophyll between the upper palisade mesophyll and the lower epidermis
  11. transport/What system uses energy to transport molecules across membranes

24 Clues: anaerobic process causes cramps • Where does photosynthesis occur • is the chemical formula for glucose • is the liquid inside the mitochondria • What is the space between the guard cell • reaction/Chemical reactions that require light • does lactate fermentation cause in your muscles • energy/ What energy is used to help make glucose • ...

crossword assignment 2014-11-14

crossword assignment crossword puzzle
Across
  1. what does lactate fermentation cause in your muscles
  2. What is the funny looking mesophyll between the upper palisade mesophyll and the lower epidermis
  3. what high energy molecule is produced when lactate is changed to pyruvate
  4. transport chain/ What do electrons move down to create H2O
  5. What is the thin layer on top of the upper epidermis called
  6. what enzyme combines with pyruvate to create acetyl-coenzyme
  7. reaction/Chemical reactions that require light
  8. transport/What system uses energy to transport molecules across membranes
  9. energy/ What energy is used to help make glucose
  10. lactate fermentation occur there is a lack of
  11. fermentation/ What anaerobic process creates booze
  12. Where does photosynthesis occur
  13. reaction/What are the reactions that don't require light
  14. what is the liquid inside the mitochondria
Down
  1. What is the high energy molecule that you split the end off to make energy
  2. centre/What is the specialized chlorophyll A molecule in a photosystem
  3. what molecule starts ethanol fermentation and lactate fermentation
  4. what is the first step in creating ATP energy from glucose
  5. what anaerobic process causes cramps
  6. carotene What pigment causes leaves to turn red yellow and orange in fall
  7. whatis the first photosystem called in the light dependant reaction
  8. diffusion/What system uses a facility to move molecules across membranes with out energy
  9. What is the space between the guard cell
  10. whatis the chemical formula for glucose

24 Clues: Where does photosynthesis occur • whatis the chemical formula for glucose • What is the space between the guard cell • what anaerobic process causes cramps • lactate fermentation occur there is a lack of • reaction/Chemical reactions that require light • energy/ What energy is used to help make glucose • what is the liquid inside the mitochondria • ...

BIOLOGY REVANO ADAMS 2025-04-24

BIOLOGY REVANO ADAMS crossword puzzle
Across
  1. A type of inhibitor that binds to a site other than the active site.
  2. The building blocks of proteins, which most enzymes are made of.
  3. Enzymes are biological __________.
  4. The study of enzymes.
  5. The state of an enzyme after it has catalyzed a reaction, ready to bind another substrate.
  6. A non-protein helper molecule that assists enzyme function.
  7. The general term for a substance that speeds up a chemical reaction.
  8. The energy required to start a chemical reaction. Enzymes lower this.
  9. An enzyme that breaks down starch.
  10. The overall process that enzymes catalyze.
  11. The environment in which an enzyme functions best (e.g., acidic or basic).
  12. The breaking down of large molecules into smaller ones.
  13. The molecule that an enzyme acts upon.
Down
  1. A condition, like high temperature, that can cause an enzyme to lose its shape and function.
  2. Enzymes are highly ______ for their specific substrates.
  3. The model describing how an enzyme and substrate fit together like a lock and key.
  4. A factor, besides substrate concentration, that can affect enzyme activity.
  5. The process where an enzyme's active site changes shape to fit the substrate.
  6. The location on an enzyme where the substrate binds.
  7. The suffix commonly used to name enzymes.
  8. Many enzymes require these inorganic ions for optimal activity.
  9. The synthesis of larger molecules from smaller ones.
  10. A type of inhibitor that binds to the active site, blocking the substrate.

23 Clues: The study of enzymes. • Enzymes are biological __________. • An enzyme that breaks down starch. • The molecule that an enzyme acts upon. • The suffix commonly used to name enzymes. • The overall process that enzymes catalyze. • The location on an enzyme where the substrate binds. • The synthesis of larger molecules from smaller ones. • ...

Dictionary of Science! 2024-10-07

Dictionary of Science! crossword puzzle
Across
  1. a grouping of atoms bonded together
  2. particles used as building blocks
  3. when 2 or more elements combine
  4. indicates the amount of an atom in a molecule
  5. a substance that is unbreakable
  6. words)- a singular element
Down
  1. the result of chemical reactions
  2. the reaction of separating different elements
  3. a number that represents the amount of molecules
  4. takes part in chemical reaction, on left side of arrow
  5. the amount of matter in an item

11 Clues: words)- a singular element • when 2 or more elements combine • a substance that is unbreakable • the amount of matter in an item • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • the reaction of separating different elements • indicates the amount of an atom in a molecule • ...

Dictionary of Science! 2024-10-07

Dictionary of Science! crossword puzzle
Across
  1. the reaction of separating different elements
  2. a singular element
  3. a number that represents the amount of molecules
  4. a grouping of atoms bonded together
Down
  1. a substance that is unbreakable
  2. takes part in chemical reaction, on left side of arrow
  3. the result of chemical reactions
  4. indicates the amount of an atom in a molecule
  5. particles used as building blocks
  6. when 2 or more elements combine
  7. the amount of matter in an item

11 Clues: a singular element • a substance that is unbreakable • when 2 or more elements combine • the amount of matter in an item • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • the reaction of separating different elements • indicates the amount of an atom in a molecule • a number that represents the amount of molecules • ...

Inv 5 Plants, Photosynthesis, & Cellular Respiration 2020-05-18

Inv 5 Plants, Photosynthesis, & Cellular Respiration crossword puzzle
Across
  1. tubes in a vascular plant that transports food
  2. a group of organs that works together
  3. tube system in an organism that transports nutrients & water
  4. convert glucose -> usable energy
  5. the "water hose" of a plant
Down
  1. light+water+carbon dioxide = glucose+oxygen
  2. "ingredients" of a chemical reaction
  3. water movement through a plant from roots to leaves
  4. plant cell that controls the opening/closing of stomata
  5. a tube in the vascular system of a plant
  6. holes in the leaf underside that where gas exchange occurs
  7. end result of a chemical reaction
  8. a structural unit made up of tissues
  9. groups of cell types that work together

14 Clues: the "water hose" of a plant • convert glucose -> usable energy • end result of a chemical reaction • "ingredients" of a chemical reaction • a structural unit made up of tissues • a group of organs that works together • groups of cell types that work together • a tube in the vascular system of a plant • light+water+carbon dioxide = glucose+oxygen • ...

Physical Science 2024-03-21

Physical Science crossword puzzle
Across
  1. Means "cannot be divided"
  2. Found on the right side of a chemical equation
  3. A row on the Periodic Table
  4. Studies the parts of the atom
  5. The force that hold atoms together
  6. A measure of gravity pulling on an object
  7. Multiplies a compound
  8. Slows down a chemical reaction
  9. The force of a very large object
  10. Form from the ceiling of a cave
  11. Most elements on the Periodic Table
  12. The energy of position
  13. Group 18 on the Periodic Table
  14. A solid with a repeating 3D pattern
  15. Stated the Law of Conservation of Mass
  16. Means "the same throughout"
  17. Bonds by sharing electrons
  18. A force that resists movement between objects
  19. Releasing heat
  20. Two or more forces that are equal
  21. Has a pH of 7
  22. Means produces or yields
  23. Have a pH of above 7
  24. An example of a chemical reaction
  25. equation A description of a chemical reaction
  26. number Indicates the number of protons in an atom
  27. Matter without a definite shape
  28. Total kinetic and potential energy
  29. A unit of measure for weight
  30. The amount of matter in an object
  31. Distance divided by time
  32. The amount of mass in a given volume
  33. Absorbing heat
  34. The energy of motion
  35. Have a pH below 7
  36. Changing from a gas to a liquid
  37. Enables heavy objects to be moved easily
  38. Anything that has mass and takes up space
  39. A liquids resistance to flow
  40. Allows small objects to sit on water
  41. Speeds up a chemical reaction
Down
  1. The length of the route to be traveled
  2. More than one atom bonded together
  3. The change from a solid to a gas
  4. Change from a liquid to a gas
  5. Matter made up of one type of element
  6. The arrangements of all elements
  7. The amount of space an object takes up
  8. A change in size, shape, color, mass
  9. Up, down, top, bottom, strange, charmed
  10. Group 1 on the Periodic Table
  11. The average kinetic energy of particles
  12. Can be bent into shape
  13. An objects mass times its velocity
  14. All the forces acting on an object
  15. A column on the Periodic Table
  16. The change in speed over a period of time
  17. Two or more substances that can be separated
  18. Discovered energy levels in atoms
  19. Traveling at the same speed
  20. Positively charged particle in the nucleus
  21. Bonds positive and negative particles
  22. Developed a chemical shorthand for elements
  23. Shows the elements in a compound
  24. Individual parts can be seen
  25. The ability to do work
  26. A rough measure of an object
  27. A push or a pull
  28. Indicates the number of atoms of an element
  29. A way to describe something using numbers
  30. The tendency of something to resist change
  31. Found on the left side of a chemical equation
  32. Group 17 on the Periodic Table
  33. Rubber, plastic, or glass
  34. Speed plus direction

75 Clues: Has a pH of 7 • Releasing heat • Absorbing heat • A push or a pull • Have a pH below 7 • Have a pH of above 7 • The energy of motion • Speed plus direction • Multiplies a compound • Can be bent into shape • The energy of position • The ability to do work • Means produces or yields • Distance divided by time • Means "cannot be divided" • Rubber, plastic, or glass • Bonds by sharing electrons • ...

Chemistry Vocab 2015-04-07

Chemistry Vocab crossword puzzle
Across
  1. Yield A quantity that is always calculated and shows the theoretical amount of product that could be produced in an ideal chemical reaction in which there is a complete conversion of reactants(s) to product(s).
  2. Proportional A relationship between variables in which one variable increases as the other is increased and vice versa.
  3. Proportional A relationship between variables in which one variable decreases as the other is increases and vice versa.
  4. Reagent Any reactant that remains after the reactants in a chemical reaction have completely reacted.
  5. Yield The ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; shown as actual yield/theoretical yield x 100.
Down
  1. Yield A measured quantity of the actual amount of product produced during a chemical reaction.
  2. The portion of chemistry dealing with numerical relationships in chemical reactions
  3. Reagent Any reactant that is the first to be completely consumed in a chemical reaction, therefore limiting the amount of the product that can be produced.

8 Clues: The portion of chemistry dealing with numerical relationships in chemical reactions • Yield A measured quantity of the actual amount of product produced during a chemical reaction. • Reagent Any reactant that remains after the reactants in a chemical reaction have completely reacted. • ...

ASSIGNING SYMBOLS, WORD EQUATIONS & USES OF ELEMENTS 2026-01-05

ASSIGNING SYMBOLS, WORD EQUATIONS & USES OF ELEMENTS crossword puzzle
Across
  1. A reactive metal with symbol K, important in fertilizers and plant growth.
  2. A compound formed when a metal reacts with nitrogen.
  3. A soft, reactive metal with symbol Na, commonly found in salt compounds.
  4. A gas element with symbol O that reacts with many substances during combustion.
  5. A rule or system agreed upon by scientists worldwide to ensure uniform understanding.
  6. A compound formed when an element reacts with oxygen.
  7. An ancient language from which some element symbols are derived (e.g. Fe from Ferrum).
  8. A light, corrosion-resistant metal used in aeroplanes and overhead cables.
Down
  1. A substance that takes part in a chemical reaction and changes into something new.
  2. A substance containing elements like nitrogen, potassium, and phosphorus that improves soil fertility.
  3. A chemical equation written using words instead of symbols to show a reaction.
  4. A one- or two-letter abbreviation used to represent an element in chemistry.
  5. A strong metal with symbol Fe, widely used in construction and tools.
  6. A new substance formed as a result of a chemical reaction.
  7. A pure substance made of only one type of atom that cannot be broken down chemically.

15 Clues: A compound formed when a metal reacts with nitrogen. • A compound formed when an element reacts with oxygen. • A new substance formed as a result of a chemical reaction. • A strong metal with symbol Fe, widely used in construction and tools. • A soft, reactive metal with symbol Na, commonly found in salt compounds. • ...

balancing chemical equations 2023-12-09

balancing chemical equations crossword puzzle
Across
  1. both sides of the equation don't equal
  2. uses chemical symbols to show the amount of substance
  3. anything that has mass and takes up space
  4. mass can neither be created nor destroyed
Down
  1. shows that no mass was created or destroyed during the reaction
  2. shows that a reaction has happened
  3. substances present before a chemical equation
  4. found on both sides of a chemical equation
  5. must equal the total amount on the other side of the equation
  6. substances produced after the equation

10 Clues: shows that a reaction has happened • both sides of the equation don't equal • substances produced after the equation • anything that has mass and takes up space • mass can neither be created nor destroyed • found on both sides of a chemical equation • substances present before a chemical equation • uses chemical symbols to show the amount of substance • ...

CHEMICAL REACTIONS 2020-06-22

CHEMICAL REACTIONS crossword puzzle
Across
  1. Substances produced from a chemical reaction are known as
  2. Two substances that react with one another are called r........
  3. A molecule with 2 hydrogen atoms and one oxygen atom
  4. A chemical reaction can be written as a chemical e.......
  5. Common name for sodium chloride
Down
  1. Substance made of only one type of atom
  2. An element can be represented by a s.....
  3. CO2 is a formula for ....../.......
  4. A compound is represented by a f......
  5. Substance made of 2 or more different types of atoms

10 Clues: Common name for sodium chloride • CO2 is a formula for ....../....... • A compound is represented by a f...... • Substance made of only one type of atom • An element can be represented by a s..... • Substance made of 2 or more different types of atoms • A molecule with 2 hydrogen atoms and one oxygen atom • Substances produced from a chemical reaction are known as • ...

Peridiocity 2023-01-24

Peridiocity crossword puzzle
Across
  1. a column in the periodic table of the chemical elements
  2. the number of atoms, ions, or molecules that a central atom or ion holds as its nearest neighbor in a complex or coordinate compound
  3. The horizontal rows of the periodic table
  4. any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium.
  5. any of the six chemical elements that make up Group 1 of the periodic table
  6. any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium
  7. chemical catalysts whose physical phase is different from the phase of the reactants/products that take part in the catalyzed chemical reaction.
  8. any of the seven chemical elements that make up Group 18 of the periodic table.
Down
  1. a process where the reactants involved in the reaction and the catalyst are in the same phase
  2. the attraction exerted by the nucleus on electrons due to the positive charge of the protons and negative charge of the electron.
  3. the blocking of valence shell electron attraction by the nucleus, due to the presence of inner-shell electrons.
  4. any of various metallic elements that have valence electrons in two shells instead of only one
  5. a table of the chemical elements arranged in order of atomic number in rows and columns.
  6. any of the six nonmetallic elements that constitute Group 17 of the periodic table
  7. an ion or molecule attached to a metal atom by coordinate bonding

15 Clues: The horizontal rows of the periodic table • a column in the periodic table of the chemical elements • an ion or molecule attached to a metal atom by coordinate bonding • any of the six chemical elements that make up Group 1 of the periodic table • any of the seven chemical elements that make up Group 18 of the periodic table. • ...

Chapter 12 Vocabulary Words 2016-01-28

Chapter 12 Vocabulary Words crossword puzzle
Across
  1. Yield: the amount of product that forms when a reaction is carried out in the laboratory
  2. Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
  3. that portion of chemistry dealing with numerical relationships in chemical reactions; the calculation of quantities of substances involved in chemical equations
  4. Reagent: a reagent present in a quantity that is more than sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction
Down
  1. Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction
  2. Yield: the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction
  3. Yield: the amount of product that could form during a reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed from a given amount of reactant

7 Clues: Yield: the amount of product that forms when a reaction is carried out in the laboratory • Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles • Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction • ...

Redox Reaction 2021-04-20

Redox Reaction crossword puzzle
Across
  1. Chemical process that involves gaining of electron.
  2. Redox reaction is defined as the chemical reaction that involves reduction and oxidation ......
  3. ........ ion is the strongest reductant.
  4. Electroplating can help to avoid ......
  5. The element/compound that undergo reduction also act as an ....... agent.
Down
  1. Substance that conduct electricity.
  2. The process of applying metal with metal that are more electropositive in the electrochemical series.
  3. ....... ion is the strongest oxidant.
  4. The element/compound that undergo oxidation also act as a ...... agent.
  5. Chemical process that involves gaining of oxygen.

10 Clues: Substance that conduct electricity. • ....... ion is the strongest oxidant. • Electroplating can help to avoid ...... • ........ ion is the strongest reductant. • Chemical process that involves gaining of oxygen. • Chemical process that involves gaining of electron. • The element/compound that undergo oxidation also act as a ...... agent. • ...

savanna 2021-12-02

savanna crossword puzzle
Across
  1. is a chemical that accepts a hydrogen ion, H
  2. is a chemical that donates a hydrogen ion, H
  3. displacement AB+CD=AD+CB
  4. A+B=AB
  5. AB=A+B
Down
  1. displacement AB+C=AC+B
  2. a substance that lowers the activation energy of a chemical reaction, which allows for the reacting to go faster
  3. AB+oxygen=oxides of A and B
  4. when reaction and its reverse act at the same rate
  5. is a measure of the concentration of hydronium ions

10 Clues: A+B=AB • AB=A+B • displacement AB+C=AC+B • displacement AB+CD=AD+CB • AB+oxygen=oxides of A and B • is a chemical that accepts a hydrogen ion, H • is a chemical that donates a hydrogen ion, H • when reaction and its reverse act at the same rate • is a measure of the concentration of hydronium ions • ...

stoichiometry 2026-01-13

stoichiometry crossword puzzle
Across
  1. used to measure the amount of substance
  2. yield:actual yield divided by theoretical yield times 100
  3. the calculation of quantities in chemical reactions
  4. factor: A ratio used to change units in a problem
  5. mass:mass of one mole of a substance
  6. Reactant:Reactant that runs out first and stops the reaction
  7. Number placed in front of a chemical formula
Down
  1. yield:Maximum amount product possible
  2. Equation: A chemical equation with equal atoms on both sides
  3. Reactant:Reactant left over after the reaction is complete

10 Clues: mass:mass of one mole of a substance • yield:Maximum amount product possible • used to measure the amount of substance • Number placed in front of a chemical formula • factor: A ratio used to change units in a problem • the calculation of quantities in chemical reactions • yield:actual yield divided by theoretical yield times 100 • ...

Jack Stubleski chapter 13 2020-10-18

Jack Stubleski chapter 13 crossword puzzle
Across
  1. is a chemical that accepts a hydrogen ion, H+.
  2. is the amount of energy required to pull two bonded atoms apart
  3. there is net absorption of energy
  4. when reaction and it’s reverse act at the same rate.
  5. is a chemical that donates a hydrogen ion, H+.
  6. is the minimum energy required to overcome the initial breaking of bonds in reactants.
Down
  1. can behave as an acid or a base.
  2. there is a net release of energy.
  3. is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  4. is a substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster

10 Clues: can behave as an acid or a base. • there is a net release of energy. • there is net absorption of energy • is a chemical that accepts a hydrogen ion, H+. • is a chemical that donates a hydrogen ion, H+. • when reaction and it’s reverse act at the same rate. • is the amount of energy required to pull two bonded atoms apart • ...

PHYSICAL AND CHEMICAL CHANGES 2018-09-26

PHYSICAL AND CHEMICAL CHANGES crossword puzzle
Across
  1. bubbles that appear during the evolution of gas
  2. this is a chemical reaction that involves addition of hydrogen or removal of oxygen from a substance
  3. the process of depositing a layer of zinc on iron
  4. this is a chemical reaction that involves addition of oxygen or removal of hydrogen from a substance
  5. original substances participating in a chemical reaction
Down
  1. the rusting of iron occurs due to water and ________
  2. the process by which we obtain crystals of common substances from a solution in water
  3. a solid in which atoms are arranged in a regular pattern
  4. a solid can be separated from a solution of the solid by __________ and crystallization
  5. new substances that are formed

10 Clues: new substances that are formed • bubbles that appear during the evolution of gas • the process of depositing a layer of zinc on iron • the rusting of iron occurs due to water and ________ • a solid in which atoms are arranged in a regular pattern • original substances participating in a chemical reaction • ...

Jay Hernandez 2022-03-08

Jay Hernandez crossword puzzle
Across
  1. is the amount of product that was actually produced (found in an experiment)
  2. the maximum product that can be produced based on the limiting reactant
  3. The mass of one mole of a substance
  4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers
  5. The substance that will be used up first in a chemical reaction
  6. is a ratio between the number of moles of any 2 substances in a chemical equation
Down
  1. 6.022*10^23
  2. Represents the number of moles in that substance when balancing a chemical reaction
  3. Lowest whole number ratio of elements within a compound
  4. Multiple of an empirical formula

10 Clues: 6.022*10^23 • Multiple of an empirical formula • The mass of one mole of a substance • Lowest whole number ratio of elements within a compound • The substance that will be used up first in a chemical reaction • the maximum product that can be produced based on the limiting reactant • is the amount of product that was actually produced (found in an experiment) • ...

Year 9 Physics 2025-10-28

Year 9 Physics crossword puzzle
Across
  1. The bending of light as it passes between materials
  2. The height of a wave from its rest position
  3. A negatively charged particle found in shells around the nucleus
  4. Process where atoms gain or lose electrons to form ions
  5. Reaction that absorbs energy from its surroundings
  6. A positively charged particle found in the nucleus
  7. A substance made when two or more elements are chemically joined
  8. The amount of matter in an object
  9. When light bounces off a surface
  10. The flow of electric charge in a circuit
  11. Substance present at the start of a chemical reaction
  12. A substance that produces hydrogen ions (H⁺) in solution
Down
  1. The rate at which an object changes its velocity
  2. A substance that neutralises an acid to form salt and water
  3. A neutral particle found in the nucleus
  4. The force of gravity acting on an object's mass
  5. A pure substance made up of only one type of atom
  6. A charged atom that has gained or lost electrons
  7. Substance formed as a result of a chemical reaction
  8. The opposition to the flow of electric current
  9. The smallest particle of an element that still has its properties
  10. Reaction that releases energy to its surroundings
  11. The potential difference across two points in a circuit
  12. The number of waves that pass a point each second
  13. A vibration that travels through air or another medium
  14. Two or more atoms bonded together

26 Clues: When light bounces off a surface • The amount of matter in an object • Two or more atoms bonded together • A neutral particle found in the nucleus • The flow of electric charge in a circuit • The height of a wave from its rest position • The opposition to the flow of electric current • The force of gravity acting on an object's mass • ...

Photosynthesis & Respiration 2022-09-02

Photosynthesis & Respiration crossword puzzle
Across
  1. A chemical reaction that transfers energy from glucose to a chemical store called ATP (11 letters)
  2. An enzyme that breaks down proteins (8 letters)
  3. A molecule made up of fatty acids and fatty acids (5 letters)
  4. The part of a cell where respiration takes place (12 letters)
  5. A gas that is produced from aerobic respiration (2 words, 6 letters and 7 letters)
  6. An enzyme that breaks down lipids (6 letters)
  7. The enzyme that breaks down carbohydrates (12 letters)
Down
  1. A chemical produced from anaerobic respiration (2 words, 6 letters and 4 letters)
  2. A large molecule that is made of smaller sugar molecules (12 letters)
  3. The part of a plant cell where photosynthesis takes place (11 letters)
  4. A chemical reaction in plants that uses sunlight to make glucose (14 letters)
  5. A type of carbohydrate found in foods like potatoes (6 letters)
  6. A large molecule made up of amino acids (7 letters)

13 Clues: An enzyme that breaks down lipids (6 letters) • An enzyme that breaks down proteins (8 letters) • A large molecule made up of amino acids (7 letters) • The enzyme that breaks down carbohydrates (12 letters) • A molecule made up of fatty acids and fatty acids (5 letters) • The part of a cell where respiration takes place (12 letters) • ...