chemical reaction Crossword Puzzles

Crossword 2024-04-27

Crossword crossword puzzle
Across
  1. The enthalpy change that occurs when one mole of a compound is produced from its standard state constituents is known as the ________.
  2. Measure of thermal energy in a system per unit temperature that cannot be used to perform beneficial work.
  3. An ________ reaction is characterized by a negative ∆U.
  4. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
  5. Chemical and physical changes that occur with the absorption of energy are ________ processes.
  6. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
  7. Hormone that moves glucose from the blood stream into the cells.
  8. Energy required to raise the temperature of one gram of a substance by one degree Celsius is known as its heat capacity.
  9. The setup used to determine energy change during a reaction.
Down
  1. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
  2. Substances that change the rate of a reaction without causing permanent changes.
  3. A substance's constant volume heat capacity is sometimes referred to as its ______ heat capacity.
  4. Time required to decrease the reactant concentration to one-half of the initial value.
  5. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
  6. A polysaccharide that does not provide the body with energy or nutrients.
  7. Increase in ________ increases reaction rates.
  8. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
  9. The study of energy changes that accompany chemical transformations in matter.
  10. The symbol w represents the ________ performed by the system or on the system.
  11. The change in enthalpy of the reaction is the heat of reaction at constant ________.

20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative ∆U. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. he action or process of observing something or someone carefully.
  2. a circumstance, fact, or influence that contributes to a result or outcome.
  3. a chemical reaction between a fuel and oxygen
  4. the amount of time occupied by something
  5. basic description of the variability of a distribution
  6. a course along which someone or something moves
  7. the action of departing from an established course
  8. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  9. the action of predicting something
  10. quantitative observation of the size, extent or amount of an object.
  11. anything having mass and taking up space
  12. done in the same way over time, especially so as to be fair or accurate.
Down
  1. the rate at which someone or something is able to move
  2. standard reference experiment done under parallel or identical conditions.
  3. numbers with a contextual meaning
  4. how far something is
  5. useable power such as heat or electricity
  6. the basic unit of matter
  7. the area of variation between upper and lower limits on a particular scale.
  8. the substances that combine in a chemical reaction
  9. able to be changed or adapted
  10. start or set in motion
  11. a substance made from a chemical reaction
  12. rearrangement of atom into new substances
  13. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

25 Clues: how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • the amount of time occupied by something • anything having mass and taking up space • useable power such as heat or electricity • a substance made from a chemical reaction • ...

photosynthesis and cellular respiration 2022-11-04

photosynthesis and cellular respiration crossword puzzle
Across
  1. Co2
  2. input of the chemical reaction
  3. Cannot produce without its own food
  4. primary producer
  5. chemical energy
  6. sugar
  7. where cellular respiration happens
  8. output of the chemical reaction
Down
  1. Heat energy
  2. contains chlorophyll and in which photosynthesis takes place
  3. reactants and products
  4. how plants make food
  5. breaks down glucose
  6. green pigment that turns the plant green
  7. O2
  8. tiny, microscopic and critical for photosynthesis.

16 Clues: O2 • Co2 • sugar • Heat energy • chemical energy • primary producer • breaks down glucose • how plants make food • reactants and products • input of the chemical reaction • output of the chemical reaction • where cellular respiration happens • Cannot produce without its own food • green pigment that turns the plant green • tiny, microscopic and critical for photosynthesis. • ...

Matter and Energy 2023-05-10

Matter and Energy crossword puzzle
Across
  1. eletriccharge
  2. families
  3. Atomic number
  4. atom
  5. electron
  6. base
  7. groups
  8. enzyme
  9. acid
  10. neutron
  11. period
  12. reduction
  13. alcohol
Down
  1. chemical formula
  2. Chemical reaction
  3. valence electron
  4. energy levels
  5. molecule
  6. cation
  7. proton

20 Clues: atom • base • acid • groups • enzyme • cation • period • proton • neutron • alcohol • families • electron • molecule • reduction • eletriccharge • Atomic number • energy levels • chemical formula • valence electron • Chemical reaction

Formative A review 2022-10-02

Formative A review crossword puzzle
Across
  1. building blocks of polymers
  2. A substance produced in a chemical reaction
  3. data descriptive data
  4. acid Building blocks of protein
  5. data numerical data
  6. the starches and sugars present in foods
  7. A jellylike fluid inside the cell in which the organelles are suspended
  8. energy Energy needed to get a reaction started
  9. A cell that contains a nucleus and membrane bound organelles
  10. Chemical reaction ins which energy is absorbed
  11. apparatus stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
  12. Control center of the cell
  13. The reactant on which an enzyme works.
  14. An organelle found in plant and algae cells where photosynthesis occurs
  15. A testable prediction; an educated guess
  16. variable variable that is manipulated
  17. Chemical Reaction in which energy is primarily given off in the form of heat
  18. A type of protein that speeds up a chemical reaction in a living thing
  19. A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
  20. wall A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
  21. bilayer double-layered sheet that forms the core of nearly all cell membranes
  22. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  23. theory idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  24. Makes proteins
  25. An organelle containing digestive enzymes
  26. A logical interpretation based on prior knowledge and experience.
  27. Basic unit of life
Down
  1. A chemical substance that is present at the start of a chemical reaction
  2. group the group that does not receive the experimental treatment.
  3. Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
  4. substance that speeds up the rate of a chemical reaction
  5. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  6. permeable a property of cell membranes that allows some substances to pass through, while others cannot
  7. Reticulum A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
  8. Powerhouse of the cell
  9. reaction the process by which one or more substances change to produce one or more different substances
  10. A tiny cell structure that carries out a specific function within the cell
  11. large compound formed from combinations of many monomers
  12. variable The outcome factor; the variable that may change in response to manipulations of the independent variable.
  13. well-tested explanation that explains a broad range of observations
  14. A unicellular organism that lacks a nucleus and membrane bound organelles
  15. fats and oils
  16. membrane A cell structure that controls which substances can enter or leave the cell.

43 Clues: fats and oils • Makes proteins • Basic unit of life • data numerical data • data descriptive data • Powerhouse of the cell • Control center of the cell • building blocks of polymers • acid Building blocks of protein • variable variable that is manipulated • The reactant on which an enzyme works. • the starches and sugars present in foods • A testable prediction; an educated guess • ...

Conservation of mass and types of reactions 2023-06-08

Conservation of mass and types of reactions crossword puzzle
Across
  1. substance made up of only one type of atom
  2. what is in the middle of an reaction
  3. on the right side of a reaction
  4. A+B -> AB
  5. H20
  6. AB -> A+B
Down
  1. chemical reaction need to be ________
  2. what is the __________ of mass
  3. number put in front of a molecule in a chemical reaction
  4. on the left side of a reaction
  5. the small numbers in a chemical equation
  6. an atom with a positive or negative charge

12 Clues: H20 • A+B -> AB • AB -> A+B • what is the __________ of mass • on the left side of a reaction • on the right side of a reaction • what is in the middle of an reaction • chemical reaction need to be ________ • the small numbers in a chemical equation • substance made up of only one type of atom • an atom with a positive or negative charge • ...

Module 4 IQ1 2021-08-13

Module 4 IQ1 crossword puzzle
Across
  1. what symbol is given in a chemical reaction of the enthalpy reactants
  2. when the total chemical energy of the products of a chemical reaction is greater than the total chemical energy of the reactants, energy is absorbed from the surrounding environment
  3. what unit is represented for energy
  4. usually regarded at everything else in a reaction
  5. the chemical energy of a substance is sometimes called it’s heat content or what
  6. what changes the activation energy of a reaction
Down
  1. when the total chemical energy of the products of a chemical reaction is less than the total chemical energy of the reactants, the excess energy is releases into the surroundings
  2. heat given off when one mole of substance is burnt completely in an excess of oxygen
  3. energy cannot be created or ______
  4. melting ice is an example ____ change
  5. stating that the heat absorbed/evolved in any chemical reaction is a fixed quantity

11 Clues: energy cannot be created or ______ • what unit is represented for energy • melting ice is an example ____ change • what changes the activation energy of a reaction • usually regarded at everything else in a reaction • what symbol is given in a chemical reaction of the enthalpy reactants • ...

Aqueous Reactions and Solution Stoichometry 2020-12-14

Aqueous Reactions and Solution Stoichometry crossword puzzle
Across
  1. a material conducting electricity
  2. when water beats up ions and breaks them apart
  3. a solid that forms in an aqueous reaction
  4. few ions present and compound ionizes partially
  5. nice,orderly, repeating patterns
  6. exchange of positive ions between two ionic compounds
  7. is the amount of 3D space a substance or object occupies
  8. no ions present and substance is dissolved in water
  9. what is being dissolved
  10. a substance that takes part in and undergoes change during a reaction
Down
  1. process that involves rearrangement of the molecular or ionic structure of a substance
  2. molecular compounds breaking into their smallest parts called molecules
  3. substance produced during a chemical reaction
  4. formation of precipitate
  5. many ions present and compound ionizes entirely
  6. moles of solute/ liters of solution
  7. do not form precipitate
  8. Hydrogen is slightly positive, oxygen is slightly negative
  9. Homogeneous mixture
  10. what is doing the dissolving

20 Clues: Homogeneous mixture • do not form precipitate • what is being dissolved • formation of precipitate • what is doing the dissolving • nice,orderly, repeating patterns • a material conducting electricity • moles of solute/ liters of solution • a solid that forms in an aqueous reaction • substance produced during a chemical reaction • when water beats up ions and breaks them apart • ...

Chemistry Review 2017-02-10

Chemistry Review crossword puzzle
Across
  1. Substance in simplest form
  2. Shiny, malleable, conductive
  3. Dull, brittle, not conductive
  4. Says that mass is not destroyed or gained in a reaction
  5. Row on periodic table
  6. Columns of Periodic table
  7. Carries negative charge
  8. Substance takes parts in chemical reaction
  9. Mass of an element
  10. Gases of Group 18, Outer shells are full
Down
  1. Energy level of atoms
  2. Basic unit of an element
  3. Electron in outermost orbital
  4. Inventor of first periodic table
  5. Abbreviation of element
  6. Center of an atom
  7. Number of protons and electrons in the element
  8. Reaction that gives of heat
  9. Substance with at least 2 elements chemically bonded together
  10. Carries Neutral Charge
  11. Reaction that produces cold substance
  12. Substance formed as a result of a chemical reaction
  13. Groups on atoms bonded together
  14. Carries Positive Charge
  15. Shares properties of both metals and metalloids

25 Clues: Center of an atom • Mass of an element • Energy level of atoms • Row on periodic table • Carries Neutral Charge • Abbreviation of element • Carries Positive Charge • Carries negative charge • Basic unit of an element • Columns of Periodic table • Substance in simplest form • Reaction that gives of heat • Shiny, malleable, conductive • Electron in outermost orbital • ...

Endothermic vs Exothermic Reactions 2025-11-24

Endothermic vs Exothermic Reactions crossword puzzle
Across
  1. more energy goes to the ___________________ in an endothermic reaction
  2. chemical connection between atoms
  3. what happens to energy when bonds are broken
  4. temperature goes ________ in endothermic reactions
  5. reaction that absorbs more energy than it releases
  6. what happens to energy when bonds are formed
  7. how the surroundings feel in an exothermic reaction
  8. substances formed after a chemical reaction
Down
  1. how the surroundings feel in an endothermic reaction
  2. more energy goes to the ___________________ in an exothermic reaction
  3. absorbing energy ___________ bonds
  4. reaction that releases more energy than it absorbs
  5. releasing energy ___________ bonds
  6. temperature goes _______ in exothermic reactions

14 Clues: chemical connection between atoms • absorbing energy ___________ bonds • releasing energy ___________ bonds • substances formed after a chemical reaction • what happens to energy when bonds are broken • what happens to energy when bonds are formed • temperature goes _______ in exothermic reactions • temperature goes ________ in endothermic reactions • ...

Crossword 2024-04-28

Crossword crossword puzzle
Across
  1. The symbol w represents the ________ performed by the system or on the system.
  2. ________ is the study of the energy changes that accompany all processes, whether chemical or physical.
  3. Substances that change the rate of a reaction without causing permanent changes.
  4. A substance's constant volume heat capacity is sometimes referred to as its ______ heat capacity.
  5. Complex molecules made up of long chains of amino acids which are compounds of carbon, hydrogen, oxygen, and nitrogen.
  6. The change in enthalpy of the reaction is the heat of reaction at constant ________.
  7. ________ is the enthalpy shift that takes place when one mole of a compound is created from its standard state constituents.
  8. It is the total heat absorbed in a process at constant pressure if only pressure-volume work is done.
  9. A polysaccharide that does not provide the body with energy or nutrients.
  10. The setup used to determine energy change during a reaction.
Down
  1. Increase in ________ increases reaction rates.
  2. The study of energy changes that accompany chemical transformations in matter.
  3. A ________ equation is a statement of the chemical change and the energy change that accompanies the change.
  4. An ________ reaction is characterized by a negative ∆U.
  5. Energy required to raise the temperature of one gram of a substance by one degree Celsius is known as its heat capacity.
  6. Hormone that moves glucose from the blood stream into the cells.
  7. Measure of thermal energy in a system per unit temperature that cannot be used to perform beneficial work.
  8. ________ rate is dependent on several factors, namely, nature of reactants, temperature, and concentration.
  9. Time required to decrease the reactant concentration to one-half of the initial value.
  10. Chemical and physical changes that occur with the absorption of energy are ________ processes.

20 Clues: Increase in ________ increases reaction rates. • An ________ reaction is characterized by a negative ∆U. • The setup used to determine energy change during a reaction. • Hormone that moves glucose from the blood stream into the cells. • A polysaccharide that does not provide the body with energy or nutrients. • ...

Cellular Respiration 2024-01-18

Cellular Respiration crossword puzzle
Across
  1. Pathways, the products of one reaction are the reactants for the next reaction.
  2. chemicals used in a reaction
  3. process, no oxygen
  4. chemical produced in the reaction
  5. alcohol, it’s produced along with carbon dioxide.
  6. specific form of stored energy
  7. process, oxygen
  8. simple sugar
  9. Transport Chain, Electrons are passed from protein to protein while slowly releasing their energy in steps.
  10. At times when your cells are without oxygen for a short period of time (heavy exercise) anaerobic fermentation follows glycolysis.
  11. Acid cycle, Chemical reactions similar to the Calvin cycle to break down glucose and produce ATP.
Down
  1. Oxidation, the connector reaction between glycolysis in the cellular cytoplasm and the Krebs cycle in the mitochondrial matrix.
  2. powerhouse of the cell
  3. fermentation, Fermentation used by yeast and bacteria to produce Carbon Dioxide and ethyl alcohol.
  4. a substance around the cell membrane bound organelles and nucleus
  5. acid, supplies energy when oxygen is scarce.
  6. Triphosphate, ATP
  7. reactions in the cytoplasm that break down glucose into molecules of pyruvic acid.
  8. Acid Fermentation, The lactic acid that builds up in muscle cells results in muscle fatigue.
  9. cycle, Chemical reactions similar to the Calvin cycle to break down glucose and produce ATP.

20 Clues: simple sugar • process, oxygen • Triphosphate, ATP • process, no oxygen • powerhouse of the cell • chemicals used in a reaction • specific form of stored energy • chemical produced in the reaction • acid, supplies energy when oxygen is scarce. • alcohol, it’s produced along with carbon dioxide. • a substance around the cell membrane bound organelles and nucleus • ...

Chemistry 2018-06-01

Chemistry crossword puzzle
Across
  1. composition the percentage by mass of each element in a compound
  2. formula an expression which states the number and type of atoms present in a molecule of a substance.
  3. substance produced during a natural, chemical, or manufacturing process
  4. compound a chemical compound that contains exactly two different types of elements
  5. bond the covalent bonding between atoms in metals
  6. electrons one of two or more electrons in the outer shell of an atom
  7. reaction a reaction where two or more elements or compounds combine to form a single compound
  8. planer structure molecular geometry model with one atom at the center and three atoms at the corners
Down
  1. reaction type of chemical reaction where one reactant yields two or more products
  2. compound a chemical compound comprising ions held together
  3. replacement reaction a type of oxidation-reductionchemical reaction when an element or ion moves out of one compound and into another
  4. a substance that takes part in and undergoes change during a reaction
  5. formula a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  6. theory Valence shell electron pair repulsion

14 Clues: theory Valence shell electron pair repulsion • bond the covalent bonding between atoms in metals • compound a chemical compound comprising ions held together • composition the percentage by mass of each element in a compound • a substance that takes part in and undergoes change during a reaction • ...

Chemical Reactions 2023-02-23

Chemical Reactions crossword puzzle
Across
  1. proportion of reactants and products
  2. a substance or molecule that is part of a chemical reaction
  3. the reactant in reactions catalyzed by enzymes
  4. energy is absorbed
  5. state of balance
  6. energy is released to the surroundings
Down
  1. representation of a chemical reaction
  2. a substance that forms in a chemical reaction
  3. substance that changes the rate of a reaction
  4. two or more substances form a new compound
  5. heat is released
  6. a molecule, either protein or RNA
  7. a compound is broken into two or more substances

13 Clues: heat is released • state of balance • energy is absorbed • a molecule, either protein or RNA • proportion of reactants and products • representation of a chemical reaction • energy is released to the surroundings • two or more substances form a new compound • a substance that forms in a chemical reaction • substance that changes the rate of a reaction • ...

Unit 3 Vocabulary 2023-05-16

Unit 3 Vocabulary crossword puzzle
Across
  1. A green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
  2. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid.
  3. They get energy from non-living sources most capture energy during photosynthesis to make simple sugars.
  4. The membrane of the mitochondria that is the site of electron transport and chemiosmosis.
  5. Requires oxygen
  6. Eat only meat example-polar bear
  7. Reactions that break down larger molecules into simpler compounds.
  8. (substrate) A substance that is changed during a chemical reaction
  9. (usually a protein) that speeds up a biochemical reaction by lowering its activation energy
  10. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  11. Pancake-like stacks of thylakoid membrane
  12. Eat dead materials example-vultures
  13. All of the chemical reactions that occur within an organism
  14. Non-living portion
  15. A reaction that overall releases more energy (in the form of heat or light than it absorbs.
Down
  1. The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  2. When an enzyme's active site loses its specific shape, causing a loss in biological activity
  3. Reactions The breaking and forming of bonds between different substances during chemical changes
  4. The overall process by which sunlight (solar/light energy) chemically converts water and carbon dioxide into chemical energy stored in glucose (a sugar/carbohydrate) (this happens on the leaf of a plant)
  5. A substance that is made in a chemical reaction
  6. Get energy from living or non-living organisms. examples: animals, fungus, people.
  7. site Location on an enzyme where the substrate binds
  8. Substance that speeds up the rate of a chemical reaction without being permanently altered
  9. Is without oxygen; usually w/short-spurt, high-energy activities
  10. A reaction that overall absorbs more energy (in the form of heat or light) than it releases.
  11. energy Energy needed to get a chemical reaction started
  12. Eat only vegetation
  13. Fluid-like substance that fills the space between the grana
  14. Reactions that build larger molecules from smaller ones
  15. Eat meat and vegetation example-raccoons
  16. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.

31 Clues: Requires oxygen • Non-living portion • Eat only vegetation • Eat only meat example-polar bear • Eat dead materials example-vultures • Eat meat and vegetation example-raccoons • Pancake-like stacks of thylakoid membrane • A substance that is made in a chemical reaction • site Location on an enzyme where the substrate binds • ...

Chapter 16 2017-04-23

Chapter 16 crossword puzzle
Across
  1. energy is taken in or absorbed
  2. mass the sum of the atomic masses of the atoms in a molecule
  3. insoluble substance that crystallizes out of solution
  4. one element displaces another from a compound
  5. a substance that slows down a chemical reaction
  6. a substance that undergoes a chemical change; substance to the left of a yield sign in an equation
  7. the number placed in front of a symbol or formula; used in balancing chemical equations
  8. reaction a chemical change in which two or more elements or compounds unite to form one compound
Down
  1. the positive part of one compound unites with the negative part of another compound
  2. an inhibitor; slows down the decay by retarding the processes that cause the decay
  3. a substance formed as a result of a chemical change; substance to the right of a yield sign in an equation
  4. a chemical change in which a substance breaks down or decomposes into other substances
  5. a shorthand description of a chemical reaction; tells the reactants and products and their ratios
  6. a substance that increases the rate of a chemical reaction without being permanently changed itself
  7. sum of the average atomic masses of the atoms or ions present in the formula of a compound
  8. energy is released or given off

16 Clues: energy is taken in or absorbed • energy is released or given off • one element displaces another from a compound • a substance that slows down a chemical reaction • insoluble substance that crystallizes out of solution • mass the sum of the atomic masses of the atoms in a molecule • an inhibitor; slows down the decay by retarding the processes that cause the decay • ...

PS Semester 1 Review 2021-12-04

PS Semester 1 Review crossword puzzle
Across
  1. Carbon dioxide and water are usually the products in this type of reaction
  2. one sign of a chemical reaction taking place
  3. the amount of time it takes for one half of a sample to decay
  4. electrons have this charge
  5. displacement AB + C → AC + B
  6. the bonding where electrons are shared
  7. these gases do not react because they are completely stable on their own
  8. anything that takes up space and has mass
  9. adding protons and neutrons
  10. when a chemical reaction takes in heat
  11. a charged particle
  12. neutrons have this charge
  13. this element radioactively decays into Lead
  14. protons have this charge
  15. adding this to a reaction can speed it up
  16. number of protons
  17. orbit the nucleus
Down
  1. AB → A + B
  2. A + B → AB
  3. number of electrons the 2nd energy level can hold
  4. another name for electron energy levels
  5. center of an atom
  6. displacement AB + CD → AD + BC
  7. happens in nuclear energy when one reaction sets off another and another
  8. the spontaneous process in which an atomic nucleus emits radiation
  9. the bonding where electrons are transferred
  10. father of the Periodic Table of Elements
  11. Column 1 of the periodic table are these types of metals
  12. the middle part of the periodic table, which we colored red, are these metals
  13. chemicals listed to the right of the arrow in a chemical reaction
  14. chemicals listed to the left of the arrow in a chemical reaction
  15. when a chemical reaction releases energy
  16. outer electrons can be called this
  17. the reason atoms combine with each other
  18. the conservation of ______ says that matter cannot be created or destroyed
  19. ability of an atom to attract electrons to itself
  20. number of electron energy levels and also the number of rows in the periodic table
  21. atoms with the same number of protons but different number of neutrons
  22. when an electron gains energy, it moves from a grounded state to this state

39 Clues: AB → A + B • A + B → AB • center of an atom • number of protons • orbit the nucleus • a charged particle • protons have this charge • neutrons have this charge • electrons have this charge • adding protons and neutrons • displacement AB + C → AC + B • displacement AB + CD → AD + BC • outer electrons can be called this • the bonding where electrons are shared • ...

Unit 5 Plants Vocabulary 2020-11-16

Unit 5 Plants Vocabulary crossword puzzle
Across
  1. moves water from the roots to the leaves of a plant
  2. parts found inside an organism
  3. moves glucose from the plant to the roots
  4. a plants response to water
  5. A response a plant has to the environment
  6. a plants response to gravity
  7. sugar
  8. the chemicals that exist before a chemical reaction
Down
  1. a plant's response to light
  2. explains what happens in a chemical reaction using chemical formulas
  3. a chemical in the chloroplast that aids in photosynthesis
  4. A plant's response to touch
  5. a plants response to gravity
  6. Pressure inside a cell due to the water it holds
  7. the chemicals that are made during a chemical reaction

15 Clues: sugar • a plants response to water • a plant's response to light • A plant's response to touch • a plants response to gravity • a plants response to gravity • parts found inside an organism • moves glucose from the plant to the roots • A response a plant has to the environment • Pressure inside a cell due to the water it holds • ...

VOCABULARY IN CHEMISTRY 2023-04-25

VOCABULARY IN CHEMISTRY crossword puzzle
Across
  1. Type of elements in the left side of the periodic table
  2. Unit to measure mass
  3. The conditions in which a gas occupies 22.7L at 25C and 1 atm.
  4. Last part of the chemical reaction
  5. Is the mass that appears in the periodic table.
  6. Negative particle of the atom
  7. Is the number of protons of an atom.
  8. Energy that needs to have a molecule to react
  9. Type of elements in the right side of the periodic table
  10. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
  11. Type of element in the last group of the periodic table
Down
  1. Fist part of the chemical reaction
  2. Ion with positive charge
  3. Part of chemistry that studies changes in a chemical reaction
  4. Ion with negative charge
  5. Process that involves rearrangement of atoms
  6. An atom with charge is called...
  7. Positive particle of the atom
  8. Element with symbol K
  9. Unit for the amount of substance
  10. Neutral particle of the atom

21 Clues: Unit to measure mass • Element with symbol K • Ion with positive charge • Ion with negative charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • An atom with charge is called... • Unit for the amount of substance • Fist part of the chemical reaction • Last part of the chemical reaction • Is the number of protons of an atom. • ...

Judah Brooks Unit 2 2025-03-24

Judah Brooks Unit 2 crossword puzzle
Across
  1. what is put in the enzyme before the chemical reaction
  2. moving molecules across the membrane using energy
  3. diffusion with water
  4. the smallest level of organization
  5. basic unit of life
  6. the result of a chemical reaction
  7. where the substrate fits on an enzyme
  8. loves water
  9. when the active site on an enzyme changes shape and the substrate no longer fits
  10. a living thing
  11. multiple organs working together
  12. hates water
  13. multiple cells combine to form this
  14. multiple atoms bonded together
Down
  1. the energy needed to start a chemical reaction
  2. moving molecules across the membrane without using energy
  3. only certain things are allowed through
  4. what makes up the cell membrane
  5. a protein that lowers the activation energy needed for chemical reactions
  6. molecules moving from a place of high concentration to low concentration
  7. performs an action in the body/made of tissue
  8. multiple molecules combine to form this/perform action in a cell

22 Clues: loves water • hates water • a living thing • basic unit of life • diffusion with water • multiple atoms bonded together • what makes up the cell membrane • multiple organs working together • the result of a chemical reaction • the smallest level of organization • multiple cells combine to form this • where the substrate fits on an enzyme • only certain things are allowed through • ...

Physical Science Week 3: Changing Matter 2023-11-29

Physical Science Week 3: Changing Matter crossword puzzle
Across
  1. a chemical reaction where a compound is broken down into two or more simpler substances
  2. a chemical reaction during which heat is release
  3. a substance produced in a chemical reaction
  4. a chemical reaction during which heat is absorbed
Down
  1. a chemical reaction where a free element replaces another element in a compound
  2. a chemical reaction where an acid and a base form a salt
  3. the chemical process of burning
  4. a chemical reaction where two or more substances are joined to form a compound
  5. a substance that goes into a chemical reaction

9 Clues: the chemical process of burning • a substance produced in a chemical reaction • a substance that goes into a chemical reaction • a chemical reaction during which heat is release • a chemical reaction during which heat is absorbed • a chemical reaction where an acid and a base form a salt • ...

Chapter 13 - Kahlan Schuster 2016-10-12

Chapter 13 - Kahlan Schuster crossword puzzle
Across
  1. donates a Hydrogen ion
  2. a substance that is the result of the chemical change
  3. accepts a Hydrogen ion
  4. how many clues are there to identify chemical reactions
  5. AB+oxygen -> oxides of A+B+H2O
  6. energy is transferred to reactants from surroundings; enters
  7. A+BC -> AC+B
  8. the energy stored in molecules that can be released during a reaction
Down
  1. must be added to break the bonds, setting the chemical reaction off
  2. AB -> A+B
  3. A+B -> AB
  4. AB+CD -> AD+CB
  5. energy transfers from reactants to surroundings; exits
  6. a substance that undergoes a chemical change
  7. when reaction and its reverse act at the same rate

15 Clues: AB -> A+B • A+B -> AB • A+BC -> AC+B • AB+CD -> AD+CB • donates a Hydrogen ion • accepts a Hydrogen ion • AB+oxygen -> oxides of A+B+H2O • a substance that undergoes a chemical change • when reaction and its reverse act at the same rate • a substance that is the result of the chemical change • energy transfers from reactants to surroundings; exits • ...

Enzyme Crossword 2021-08-27

Enzyme Crossword crossword puzzle
Across
  1. Enzymes ______ the energy needed to start a chemical reaction.
  2. The energy required to start a chemical reaction.
  3. Substances that are created and come OUT of a chemical reaction.
  4. Where an enzyme and a substrate meet or connect.
  5. The substance the enzyme acts on.
Down
  1. Example of the enzyme that breaks downs lactose.
  2. Building block of proteins.
  3. Type of protein that speeds up a chemical reaction.
  4. Substance that goes IN a chemical reaction.
  5. Enzymes are an example of this type of macromolecule.
  6. ______ or pH can change the shape of the active site.

11 Clues: Building block of proteins. • The substance the enzyme acts on. • Substance that goes IN a chemical reaction. • Example of the enzyme that breaks downs lactose. • Where an enzyme and a substrate meet or connect. • The energy required to start a chemical reaction. • Type of protein that speeds up a chemical reaction. • ...

JH Burkholder Chapter 13 2017-10-10

JH Burkholder Chapter 13 crossword puzzle
Across
  1. a measure of the acidity of a solution
  2. the minimal amount of energy required for a chemical reaction to proceed
  3. The process by which a reactant loses one or more electrons
  4. The process in which a reactant gains one or more electrons
Down
  1. Chemical reaction where there is a net absorption of energy
  2. Chemical reaction where there is a net release of energy
  3. The substances that react in a chemical reaction
  4. Substance that takes hydrogen ions
  5. The new substances formed in a chemical reaction
  6. A rapid exothermic oxidation
  7. Substance that donates hydrogen ions

11 Clues: A rapid exothermic oxidation • Substance that takes hydrogen ions • Substance that donates hydrogen ions • a measure of the acidity of a solution • The substances that react in a chemical reaction • The new substances formed in a chemical reaction • Chemical reaction where there is a net release of energy • Chemical reaction where there is a net absorption of energy • ...

1.3 Chemical Reactions Activity 2025-09-04

1.3 Chemical Reactions Activity crossword puzzle
Across
  1. A scale that measures acidity and can affect enzyme activity
  2. Substances that start a chemical reaction
  3. Another word for a substance that speeds up a chemical reaction
  4. Proteins that speed up chemical reactions in living things
  5. The molecule that an enzyme acts upon in a chemical reaction
Down
  1. Substances formed after a chemical reaction
  2. Graphs can show if this is absorbed or released in a reaction
  3. Used to interpret the effect of an enzyme on a reaction
  4. Type of energy required to start a chemical reaction
  5. One factor that affects enzyme activity, along with pH and substrate concentration

10 Clues: Substances that start a chemical reaction • Substances formed after a chemical reaction • Type of energy required to start a chemical reaction • Used to interpret the effect of an enzyme on a reaction • Proteins that speed up chemical reactions in living things • A scale that measures acidity and can affect enzyme activity • ...

Chemistry 2024-03-15

Chemistry crossword puzzle
Across
  1. a chemical reaction in which a substance loses electrons.
  2. means more molecules in a given space, increasing the chance of collisions and speeding up reactions.
  3. reactions are common endothermic reactions.
  4. a chemical reaction in which a substance gains electrons.
  5. the process when energy is released to the surroundings
  6. is one or more forms of a chemical element that can exist in the same physical state.
  7. speed up reactions without getting used up themselves.
  8. reaction is a chemical reaction in which the product can react to produce the original reactant. It can move in both forward and backward directions.
Down
  1. the approximate percentage of argon in air
  2. means using electricity to coat one metal with another.
  3. generates electrons in the reaction and is oxidized. It reduces another substance by generating electrons.
  4. a chemical reaction that uses nitrogen gas and hydrogen gas to create the chemical compound ammonia.

12 Clues: the approximate percentage of argon in air • reactions are common endothermic reactions. • speed up reactions without getting used up themselves. • means using electricity to coat one metal with another. • the process when energy is released to the surroundings • a chemical reaction in which a substance loses electrons. • ...

Enzymes and Biochemical Reactions 2023-11-14

Enzymes and Biochemical Reactions crossword puzzle
Across
  1. an organism
  2. The breaking and forming of bonds between different substances
  3. An example of an exothermic reaction (2 words)
  4. Absorbs energy in the form of light or heat
  5. Break down larger molecules into smaller compounds
Down
  1. An example of an endothermic reaction
  2. The amount of energy needed to make a chemical reaction start (2 words)
  3. Build larger molecules from smaller ones
  4. Substances that are changed during a chemical reaction
  5. All of the chemical reactions within each cell
  6. Releases energy in the form of light or heat
  7. Substances that are made by a chemical reaction

12 Clues: an organism • An example of an endothermic reaction • Build larger molecules from smaller ones • Absorbs energy in the form of light or heat • Releases energy in the form of light or heat • All of the chemical reactions within each cell • An example of an exothermic reaction (2 words) • Substances that are made by a chemical reaction • ...

Chemical and Physical reaction worksheet 2022-03-18

Chemical and Physical reaction worksheet crossword puzzle
Across
  1. " A solid that form's from solution during a chemical reaction."
  2. of mass- "during a chemical reaction, matter is not created or destroyed
  3. "When the reaction is complete, you have new substances"
  4. "The study of matter and how matter changes"
  5. "is anything that has mass and takes up space."
  6. reaction- A change in matter that produces one or more new substances.
  7. property- A characteristic of a substance that can be observed without changing the substance into another substance.
Down
  1. property- a Characteristic of substance that describes its ability to change into other substances.
  2. reaction-"A reaction that releases energy in the form of heat"
  3. The substance you have at the beginning"
  4. "is a number placed in font of chemical formula in an equation."
  5. reaction- "is a reaction in which energy is absorbed
  6. system- " matter is not allowed to enter or leave."
  7. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  8. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  9. system- "matter can enter from or escape to the surrounding."

16 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • "When the reaction is complete, you have new substances" • ...

Changes in Matter 2014-11-18

Changes in Matter crossword puzzle
Across
  1. what the starting substances are in a reaction
  2. how particles move in a solid
  3. reaction that creates a new substance
  4. matter with particles fixed in position
  5. there have to be the same number of these on both sides of a chemical equation
  6. gas changing to a liquid
  7. liquid changing to a gas all at once
  8. reaction that releases heat
  9. liquid changing to gas one layer at a time
  10. reaction that absorbs heat
Down
  1. a measure of the kinetic energy of the particles in a substance
  2. solid changing to liquid
  3. reaction that makes the substance look different but it's identity remains the same
  4. the law that says matter cannot be created or destroyed
  5. matter with particles that are touching but can move around
  6. matter with particles very far apart and moving fast
  7. what the ending substances are in a reaction
  8. how particles move in a liquid
  9. liquid changing to solid
  10. an increase or decrease in this can cause a physical or chemical change

20 Clues: solid changing to liquid • gas changing to a liquid • liquid changing to solid • reaction that absorbs heat • reaction that releases heat • how particles move in a solid • how particles move in a liquid • liquid changing to a gas all at once • reaction that creates a new substance • matter with particles fixed in position • liquid changing to gas one layer at a time • ...

Chemical Reactions 2023-12-19

Chemical Reactions crossword puzzle
Across
  1. A type of combustion that produces carbon monoxide
  2. What a chemical reaction must be
  3. The liquid that turns cloudy when carbon dioxide is present
  4. The gas substances react with during oxidation reactions
  5. A change in which no new substances are made
  6. Needed for thermal decomposition
Down
  1. When atoms are rearranged, forming new substances
  2. The things we start a chemical reaction with
  3. A burning reaction that produces carbon dioxide and water
  4. The things we make from a chemical reaction
  5. The colour cobalt chloride paper turns in water
  6. The thing that is always conserved in a chemical reaction

12 Clues: What a chemical reaction must be • Needed for thermal decomposition • The things we make from a chemical reaction • The things we start a chemical reaction with • A change in which no new substances are made • The colour cobalt chloride paper turns in water • When atoms are rearranged, forming new substances • A type of combustion that produces carbon monoxide • ...

Chemistry Reactions and Equations 2024-10-09

Chemistry Reactions and Equations crossword puzzle
Across
  1. chemical symbol of gold.
  2. 2 or more reactant's react to form one product.
  3. yellow precipitate formed by reaction of lead nitrate and potassium iodide.
  4. reaction in which energy is released in form of heat or light.
  5. chemical symbol of aluminum.
  6. valency of aluminum
  7. chemical symbol of magnesium.
  8. chemical symbol of zinc.
Down
  1. a substance breaks down into two or more products.
  2. reaction in which more reactive element displaces less reactive element from its solution.
  3. reaction in which exchange of ions takes place between 2 substances to form new products.
  4. reaction in which heat is absorbed.

12 Clues: valency of aluminum • chemical symbol of gold. • chemical symbol of zinc. • chemical symbol of aluminum. • chemical symbol of magnesium. • reaction in which heat is absorbed. • 2 or more reactant's react to form one product. • a substance breaks down into two or more products. • reaction in which energy is released in form of heat or light. • ...

Matters Interaction 2025-11-29

Matters Interaction crossword puzzle
Across
  1. The Periodic Table of ____________
  2. Contains some kinetic energy (ex. water)
  3. More than one type of atom held together by chemical bonds (ex. DNA)
  4. Two or more molecules NOT chemically bonded (ex. salt and pepper)
  5. Breaking and reforming of bonds
  6. Two or more atoms held together by chemical bonds (ex. H2O)
  7. You _________
  8. Contains the most amount of kinetic energy (ex. farts)
  9. The result from a chemical reaction
  10. The relationship between mass and volume
Down
  1. Reactions that give off heat
  2. CH4
  3. LxWxH
  4. The amount of matter in an object
  5. Substances added together to cause a chemical reaction
  6. Every form of matter is made of this. A single cell has 100 trillion of these!
  7. Contains the least amount of kinetic energy (ex. apple)

17 Clues: CH4 • LxWxH • You _________ • Reactions that give off heat • Breaking and reforming of bonds • The amount of matter in an object • The Periodic Table of ____________ • The result from a chemical reaction • Contains some kinetic energy (ex. water) • The relationship between mass and volume • Substances added together to cause a chemical reaction • ...

VOCABULARY CROSSWORD 2023-08-18

VOCABULARY CROSSWORD crossword puzzle
Across
  1. data, information in the form of numbers and units
  2. what you think about will/could happen in the future
  3. reaction: A process by which two or more chemical substances interact and are chemically changed, producing different chemical substances.
  4. A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose).
  5. energy, Energy from the sun that reaches earth as visible light, and ultraviolet and infrared (heat) radiation.
  6. what you keep the same in an experiment to make sure that only the independent variable is being changed.
  7. The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.
Down
  1. Simple carbohydrates; produced by photosynthesis and used to store energy and build structural molecules.
  2. A substance that takes part in and undergoes change during a reaction.
  3. factors that can have an effect on the experiment
  4. A substance produced during a chemical reaction.
  5. a testable explanation that can be written as an “if/then” statement that uses a reason to explain an idea
  6. data, descriptive information collected using 5 senses
  7. The smallest particle of an element, made of electrons, protons, and neutrons.
  8. energy, Energy stored in chemical bonds and released through chemical reactions.
  9. What is used to COMPARE the results to.

16 Clues: What is used to COMPARE the results to. • A substance produced during a chemical reaction. • factors that can have an effect on the experiment • data, information in the form of numbers and units • what you think about will/could happen in the future • data, descriptive information collected using 5 senses • ...

Matter and Energy in Organisms: Part 1 2016-10-19

Matter and Energy in Organisms: Part 1 crossword puzzle
Across
  1. Refers to chemical reactions occurring in cells in which carbon atoms from organic molecules (e.g. glucose) are oxidized to release energy.
  2. Group of organic molecules composed of hydrogen, oxygen, nitrogen, carbon and phosphorus; examples include DNA, RNA and ATP.
  3. A simple molecular unit that may may react chemically with another molecule of the same type to form a larger molecule (e.g., amino acid, nucleotide).
  4. Important in creating polymers, this reaction typically produces water when two molecules forming a bond to create a larger molecule.
  5. Attraction between the nuclei of two nonmetallic atoms and at least two shared electrons.
  6. Chemical reaction associated with burning that involves the oxidation of carbon atoms from a hydrocarbon fuel to release energy.
  7. A substance that cannot be decomposed into simpler substances by chemical means; it is made up of atoms that all share an identical number of protons.
  8. Proteins are long, folded chains that are composed of these monomers.
Down
  1. The production of complex molecules within living organisms or cells (e.g. photosynthesis).
  2. Process (chemical reaction) that involves the breaking of chemical bonds by the addition of water.
  3. Neutral group of two or more atoms held together by chemical bonds.
  4. Chemical substances formed as a result of a chemical reaction.
  5. Group of organic molecules that are composed of carbon, hydrogen and oxygen and include sugars (e.g. glucose), starch, and cellulose.
  6. Group of fatty or waxy organic molecules made mostly from carbon and hydrogen atom; they include oils, cholesterol and triglycerides.
  7. A compound made up of several repeating units.
  8. Substance taking part in a chemical reaction
  9. Group of organic molecules that contain carbon, hydrogen, oxygen and nitrogen; examples include insulin and hemoglobin.
  10. Term that is used to describe any substance containing carbon-based compounds, especially those produced by or derived from living organisms.

18 Clues: Substance taking part in a chemical reaction • A compound made up of several repeating units. • Chemical substances formed as a result of a chemical reaction. • Neutral group of two or more atoms held together by chemical bonds. • Proteins are long, folded chains that are composed of these monomers. • ...

Chemical and Physical reaction worksheet 2022-03-18

Chemical and Physical reaction worksheet crossword puzzle
Across
  1. " A solid that form's from solution during a chemical reaction."
  2. of mass- "during a chemical reaction, matter is not created or destroyed
  3. "When the reaction is complete, you have new substances"
  4. "The study of matter and how matter changes"
  5. "is anything that has mass and takes up space."
  6. reaction- A change in matter that produces one or more new substances.
  7. property- A characteristic of a substance that can be observed without changing the substance into another substance.
Down
  1. property- a Characteristic of substance that describes its ability to change into other substances.
  2. reaction-"A reaction that releases energy in the form of heat"
  3. The substance you have at the beginning"
  4. "is a number placed in font of chemical formula in an equation."
  5. reaction- "is a reaction in which energy is absorbed
  6. system- " matter is not allowed to enter or leave."
  7. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  8. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  9. system- "matter can enter from or escape to the surrounding."

16 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • "When the reaction is complete, you have new substances" • ...

Macromolecules/Enzymes 2023-05-10

Macromolecules/Enzymes crossword puzzle
Across
  1. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  2. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  3. A long molecule consisting of many similar or identical monomers linked together.
  4. reactions the process by which one or more substances change to produce one or more different substances
  5. energy Energy needed to get a reaction started
  6. substance that speeds up the rate of a chemical reaction
  7. A specific reactant acted upon by an enzyme
  8. acid a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group
Down
  1. A type of protein that speeds up a chemical reaction in a living thing
  2. A simple compound whose molecules can join together to form polymers
  3. A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
  4. A substance produced in a chemical reaction
  5. Broken down to glucose to provide energy.
  6. A chemical substance that is present at the start of a chemical reaction
  7. acid macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

15 Clues: Broken down to glucose to provide energy. • A substance produced in a chemical reaction • A specific reactant acted upon by an enzyme • energy Energy needed to get a reaction started • substance that speeds up the rate of a chemical reaction • A simple compound whose molecules can join together to form polymers • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. Reaction that absorbs energy.
  2. Sum of all chemical reactios that occur n the cell.
  3. The minimum amount of energy required to start a chemical reaction.
  4. A flexible active site that changes shape.
  5. Reaction that breaks down larger molecules into smaller ones, usually with net release of energy.
  6. Active site has a set shape.
Down
  1. Reaction that builds larger molecules from smaller ones using a net input of energy.
  2. Reaction that releases energy.
  3. A substrate in a catalase reaction.
  4. Organic cofactors.
  5. Substance or material formed after the chemical reaction.
  6. Reduce or stop the enzyme from functioning.

12 Clues: Organic cofactors. • Active site has a set shape. • Reaction that absorbs energy. • Reaction that releases energy. • A substrate in a catalase reaction. • A flexible active site that changes shape. • Reduce or stop the enzyme from functioning. • Sum of all chemical reactios that occur n the cell. • Substance or material formed after the chemical reaction. • ...

Angelica Ramilo 2022-03-08

Angelica Ramilo crossword puzzle
Across
  1. Mass of one mole of a substance
  2. (actual/theoretical) * 100
  3. empirical formulas are the only correct expressions of ____ compounds
  4. A ratio between the number of moles of any two substances in a chemical reaction
  5. The mass of a mole is the atomic mass from the periodic table
  6. The maximum of product that could be produced based on the limiting reaction
  7. Study of ratios in a chemical reation
  8. What connects moles to particles
  9. The amount of product that was actually produced
Down
  1. The substance that will be used up first in a chemical reaction
  2. important unit that chemist use
  3. Lowest whole number ratio of elements
  4. The basic unit of a chemical reaction
  5. ratios from balanced equations form the conversion factor for changing moles of one substance to moles of another
  6. Given times want/cancel
  7. multiple of an empirical formula

16 Clues: Given times want/cancel • (actual/theoretical) * 100 • Mass of one mole of a substance • important unit that chemist use • What connects moles to particles • multiple of an empirical formula • Lowest whole number ratio of elements • The basic unit of a chemical reaction • Study of ratios in a chemical reation • The amount of product that was actually produced • ...

RATE OF REACTION FM 4 2026-01-12

RATE OF REACTION FM 4 crossword puzzle
Across
  1. an organic catalyst used in processes like the fermentation of glucose to produce ethanol
  2. A type of reaction that releases heat energy to the surroundings
  3. A chemical substance that alters the rate of reaction without undergoing any chemical change at the end of the reaction
  4. A substance whose quantity decreases over time during a chemical reaction
  5. factor that, when increased, increases the kinetic energy of reactant particles
  6. A factor representing the number of particles per unit volume in a solution
Down
  1. A factor that affects the rate of reaction specifically for reactions involving gases
  2. According to this theory, reactant particles must bump into one another for a reaction to occur
  3. The substance formed at the end of a chemical reaction, whose quantity increases over time
  4. When the size of a solid reactant is smaller, the total ____ area exposed to collisions increases
  5. The rate of reaction calculated over a particular time interval
  6. The minimum energy that reactant particles must acquire to break bonds and initiate a reaction
  7. The rate of reaction at a specific point in time, determined by the gradient of a tangent to a graph

13 Clues: The rate of reaction calculated over a particular time interval • A type of reaction that releases heat energy to the surroundings • A substance whose quantity decreases over time during a chemical reaction • A factor representing the number of particles per unit volume in a solution • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. A combination of pure substances.
  2. Shiny, malleable, ductile, conduct electricity.
  3. Negatively charged particles.
  4. The new materials produced by the reaction.
  5. Anything on the periodic table.
  6. A chemical reaction that releases heat energy.
  7. Liquid to solid.
  8. Most reactive non-metals.
  9. Positively charged particles.
  10. Characteristics that can be used to describe a substance.
  11. A cloudy mixture that cannot be separated.
  12. An element that we need to live.
Down
  1. Gas to solid.
  2. The materials at the start of a reaction.
  3. Have both metallic and non-metallic properties.
  4. Solid to gas.
  5. A catalyst found in the human body.
  6. A chemical reaction that absorbs heat energy.
  7. A substance that help a reaction proceed faster.
  8. Liquid to gas.
  9. Anything that has mass and occupies space.
  10. Solid to liquid.
  11. A cloudy mixture that can be separated.
  12. The horizontal rows on the periodic table.
  13. The vertical rows on the periodic table.

25 Clues: Gas to solid. • Solid to gas. • Liquid to gas. • Liquid to solid. • Solid to liquid. • Most reactive non-metals. • Negatively charged particles. • Positively charged particles. • Anything on the periodic table. • An element that we need to live. • A combination of pure substances. • A catalyst found in the human body. • A cloudy mixture that can be separated. • ...

Combustion and Chemical reactions 2026-02-11

Combustion and Chemical reactions crossword puzzle
Across
  1. Two or more atoms joined together.
  2. Tiny particles and gases released during burning.
  3. A new substance made in a reaction.
  4. A gas often produced during combustion.
  5. Energy that makes things warmer.
  6. The idea that mass is not created or destroyed.
  7. A rule in science that is always true.
  8. The smallest unit of an element.
  9. A gas needed for most burning reactions.
Down
  1. A chemical reaction that releases heat and light.
  2. The visible, glowing part of a fire.
  3. A gas that can form when something burns.
  4. A starting substance in a chemical reaction.
  5. A process where substances change into new substances.
  6. The ability to cause change.
  7. A substance that burns to release energy.
  8. A change that forms a new substance.
  9. Energy you can see, often produced during burning.
  10. The amount of matter in something.
  11. The process of starting a combustion reaction.

20 Clues: The ability to cause change. • Energy that makes things warmer. • The smallest unit of an element. • Two or more atoms joined together. • The amount of matter in something. • A new substance made in a reaction. • The visible, glowing part of a fire. • A change that forms a new substance. • A rule in science that is always true. • A gas often produced during combustion. • ...

CHEMISTRY BASICS 2024-11-25

CHEMISTRY BASICS crossword puzzle
Across
  1. A CHEMICAL REACTION
  2. A CHARACTERISTIC THAT CAN BE OBSERVED OR MEASURED WITHOUT CHANGING THE SAMPLE'S COMPOSITION
  3. ALTERS THE PHYSICAL PROPERTIES OF A SUBSTANCE WITHOUT CHANGING ITS COMPOSITION
  4. A PROPERTY THAT IS DEPENDENT ON THE AMOUNT OF SUBSTANCE PRESENT
  5. THE ONLY COMMON SUBSTANCE ON EARTH THT EXISTS NATURALLY AS A SOLID, A LIQUID, AND A GAS
  6. EXTERNAL ______ CAN AFFECT BOTH PHYSICAL AN CHEMICAL PROPERTIES
  7. A TYPE OF PROPERTY THAT IS NOT DEPENDENT ON THE AMOUNT OF SUBSTANCE PRESENT
  8. A BROWNISH-ORANGE POWDERY SUBSTANCE
  9. IN A CHEMICAL REACTION, PRODUCTS HAVE THE SAME ______ AS REACTANTS
  10. A STATE OF MATTER HAVING NEITHER A DEFINITE SHAPE OR VOLUME
Down
  1. THE PHYSICAL FORMS IN WHICH ALL MATTER IN NATURE EXISTS
  2. A LAW THAT STATES THAT MASS IS NEITHER CREATED NOR DESTROYED DURING A CHEMICAL REACTION; IT IS CONSERVED
  3. IN A CHEMICAL REACTION, REACTANTS FORM ______
  4. THE ABILITY OF A SUBSTANCE TO COMBINE WITH OR CHANGE INTO ONE OR MORE OTHER SUBSTANCES
  5. ANYTHING THAT MASS AND TAKES UP SPACE
  6. A TRANSITION OF MATTER FROM ONE STATE TO ANOTHER
  7. A STATE OF MATTER IN BETWEEN SOLID AND GAS
  8. A STATE OF MATTER THAT HAS A DEFINITE SHAPE AND VOLUME
  9. REFERS TO THE GASEOUS STATE OF A SUBSTANCE THAT IS A SOLID OR A LIQUID AT ROOM TEMPERATURE

19 Clues: A CHEMICAL REACTION • A BROWNISH-ORANGE POWDERY SUBSTANCE • ANYTHING THAT MASS AND TAKES UP SPACE • A STATE OF MATTER IN BETWEEN SOLID AND GAS • IN A CHEMICAL REACTION, REACTANTS FORM ______ • A TRANSITION OF MATTER FROM ONE STATE TO ANOTHER • A STATE OF MATTER THAT HAS A DEFINITE SHAPE AND VOLUME • THE PHYSICAL FORMS IN WHICH ALL MATTER IN NATURE EXISTS • ...

Intro to Energy 2013-03-01

Intro to Energy crossword puzzle
Across
  1. The molecule that sunbathes and uses the energy it absorbs for photosynthesis.
  2. The use of released energy.
  3. The most importaint law for energy.
  4. A product that's rich...in energy!
  5. A chemical reaction, {using oxygen} that gets those lazy cells back to work!
  6. Some people have a fast one, and others a slow one.
  7. A chemical reaction that releases energy.
  8. An organism that uses organic carbon for growth.
  9. Plants that get eaten by vegetarians.
  10. The thing teenagers have plenty of, and what old people lack.
  11. A chemical reaction in which an element gains an electron, and becomes a severe debbie downer.
  12. The second most importaint law for energy.
Down
  1. The combo of a substance with oxygen.
  2. Motion caused by movement of all types.
  3. Spongebob's idea of having fun with Sandy before hybernation week.
  4. Another great form of energy!
  5. Potential energy in a chemical form.
  6. Only found in plants, they help with photosynthesis.
  7. Complete and utter randomness!
  8. The Los Angeles ____ basketball team...sucks.

20 Clues: The use of released energy. • Another great form of energy! • Complete and utter randomness! • A product that's rich...in energy! • The most importaint law for energy. • Potential energy in a chemical form. • The combo of a substance with oxygen. • Plants that get eaten by vegetarians. • Motion caused by movement of all types. • A chemical reaction that releases energy. • ...

Chemistry Crossword 2013-01-12

Chemistry Crossword crossword puzzle
Across
  1. A compound that is 0-6 on the pH scale.
  2. When an acid and a base produce a salt and water.
  3. CH4
  4. Produces a solution that conducts electricity when dissolved in water.
  5. Compound made up of a non-metal and non-metal.
  6. Combustion that produces carbon, carbon monoxide, carbon dioxide and water.
  7. Lewis Dot Diagrams represents the number of ______ electron around an atom.
  8. Atomic number of 47.
  9. Colour, texture, density, viscosity, solubility are examples of _____ properties.
  10. CuO
  11. Hydrogen ion forming a bond with a polyatomic ion with an oxygen ion.
Down
  1. Naming chemical formulas.
  2. A compound formed by hydrogen and carbon.
  3. Columns on the periodic table
  4. Chemical reaction involving an element reacting with a compound.
  5. 18th family on periodic table
  6. A chemical present at the start of a chemical reaction and is used up during the reaction.
  7. Negatively charged ion.
  8. Elements that naturally exist in pairs, HOFBrINCl.
  9. Compound made up of a metal and non-metal.

20 Clues: CH4 • CuO • Atomic number of 47. • Negatively charged ion. • Naming chemical formulas. • Columns on the periodic table • 18th family on periodic table • A compound that is 0-6 on the pH scale. • A compound formed by hydrogen and carbon. • Compound made up of a metal and non-metal. • Compound made up of a non-metal and non-metal. • When an acid and a base produce a salt and water. • ...

Grade 9 - Chemistry worksheet 2024-05-18

Grade 9 - Chemistry worksheet crossword puzzle
Across
  1. A measure of the heat content in a system
  2. Horizontal rows in the periodic table
  3. Loss of electrons in a chemical reaction
  4. A substance that cannot be broken down into simpler substances
  5. Gain of electrons in a chemical reaction
  6. The negative electrode in electrolysis
  7. The mass of one mole of a substance
  8. Particles smaller than an atom, such as protons, neutrons, and electrons
  9. The process of using electricity to split compounds into elements
Down
  1. Electrons in the outermost shell of an atom
  2. Substances that start a chemical reaction
  3. Molecules composed of two atoms
  4. Elements in group 1 of the periodic table
  5. Atoms of the same element with different numbers of neutrons
  6. A negatively charged ion
  7. The central part of an atom containing protons and neutrons
  8. The tendency of a substance to undergo chemical reactions
  9. A substance made of two or more elements chemically combined
  10. Anything that has mass and takes up space
  11. A positively charged ion

20 Clues: A negatively charged ion • A positively charged ion • Molecules composed of two atoms • The mass of one mole of a substance • Horizontal rows in the periodic table • The negative electrode in electrolysis • Loss of electrons in a chemical reaction • Gain of electrons in a chemical reaction • Substances that start a chemical reaction • ...

chem 2023-03-27

chem crossword puzzle
Across
  1. a substance made by mixing other substances together
  2. a solute dissolved in a solvent
  3. a substance made from two or more different elements
  4. reaction where energy is released/lost/given out
  5. the amount of matter in a particle or object
  6. energy required to start a reaction (__ energy)
  7. a mixture consisting of substances remaining physically separate
  8. the chemical doing the dissolving (measured in liters)
  9. amount of substance in a space for a mixture
  10. the chemical being dissolved (measured in moles)
Down
  1. reaction where energy is absorbed/gained/taken in
  2. a mixture in which the composition is uniform throughout the mixture
  3. relationship between relative quantities of substances taking part in a reaction
  4. the chemicals in the reaction
  5. simplest/reduced ratio formula for a molecule (__ formula)
  6. anything that takes up space and can be weighed
  7. chemicals that react with each other
  8. chemicals produced from a reaction
  9. moles of solute per liters of solution (mol/L)
  10. a specific counting number (how many of something)

20 Clues: the chemicals in the reaction • a solute dissolved in a solvent • chemicals produced from a reaction • chemicals that react with each other • the amount of matter in a particle or object • amount of substance in a space for a mixture • moles of solute per liters of solution (mol/L) • anything that takes up space and can be weighed • ...

biochem crossword 2020-01-17

biochem crossword crossword puzzle
Across
  1. the outermost shell of an atom
  2. A substances added to a reaction that doesn’t react but instead helps speed up the rate of reaction
  3. when a single compound breaks down into two or more elements
  4. center of the cell
  5. when + charged ions bond with - charged ions
  6. an electron located on the outermost shell
  7. a positive charged particle in an atom
  8. a reaction that requires energy in order to break bonds
  9. the energy required to get a reaction started
  10. the production of chemical compounds by reaction from simpler material
Down
  1. a negative charged particle in an atom
  2. outermost shell of the atom
  3. a negatively charged ion
  4. a particle with the same mass a a proton with no electric charge
  5. __SiO2 + __ HF → __ SiF4 + __ H2O
  6. the measure of moles
  7. shares atoms equally
  8. a reaction that releases energy as bonds form
  9. a positively charged ion
  10. rapid chemical combination of a substance with oxygen, involving the production of heat and light.

20 Clues: center of the cell • the measure of moles • shares atoms equally • a negatively charged ion • a positively charged ion • outermost shell of the atom • the outermost shell of an atom • __SiO2 + __ HF → __ SiF4 + __ H2O • a negative charged particle in an atom • a positive charged particle in an atom • an electron located on the outermost shell • ...

Formative A review 2022-10-02

Formative A review crossword puzzle
Across
  1. A cell that contains a nucleus and membrane bound organelles
  2. permeable a property of cell membranes that allows some substances to pass through, while others cannot
  3. group the group that does not receive the experimental treatment.
  4. well-tested explanation that explains a broad range of observations
  5. acid Building blocks of protein
  6. A logical interpretation based on prior knowledge and experience.
  7. A chemical substance that is present at the start of a chemical reaction
  8. data numerical data
  9. variable The outcome factor; the variable that may change in response to manipulations of the independent variable.
  10. fats and oils
  11. Basic unit of life
  12. large compound formed from combinations of many monomers
  13. The reactant on which an enzyme works.
  14. A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement
  15. A unicellular organism that lacks a nucleus and membrane bound organelles
  16. bilayer double-layered sheet that forms the core of nearly all cell membranes
  17. building blocks of polymers
  18. A substance produced in a chemical reaction
  19. Powerhouse of the cell
  20. A tiny cell structure that carries out a specific function within the cell
  21. An organelle containing digestive enzymes
  22. Chemical reaction ins which energy is absorbed
Down
  1. Reticulum A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
  2. Makes proteins
  3. membrane A cell structure that controls which substances can enter or leave the cell.
  4. theory idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  5. Chemical Reaction in which energy is primarily given off in the form of heat
  6. reaction the process by which one or more substances change to produce one or more different substances
  7. the starches and sugars present in foods
  8. Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
  9. An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  10. Control center of the cell
  11. variable variable that is manipulated
  12. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  13. A jellylike fluid inside the cell in which the organelles are suspended
  14. apparatus stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
  15. data descriptive data
  16. A testable prediction; an educated guess
  17. A type of protein that speeds up a chemical reaction in a living thing
  18. An organelle found in plant and algae cells where photosynthesis occurs
  19. energy Energy needed to get a reaction started
  20. substance that speeds up the rate of a chemical reaction
  21. wall A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.

43 Clues: fats and oils • Makes proteins • Basic unit of life • data numerical data • data descriptive data • Powerhouse of the cell • Control center of the cell • building blocks of polymers • acid Building blocks of protein • variable variable that is manipulated • The reactant on which an enzyme works. • the starches and sugars present in foods • A testable prediction; an educated guess • ...

Physical Science Crosswords 2025-08-21

Physical Science Crosswords crossword puzzle
Across
  1. Large marsupial
  2. Reactions
  3. Equilibrium
  4. and Reduction
  5. Rate
  6. of Chemical Change
  7. Energy
  8. of Chemical Reactions
  9. vs. Irreversible Reactions
  10. and Respiration
  11. Area
  12. and Gases
  13. Reactions
  14. of Conservation of Mass
  15. Likes to chase mice
  16. vs. Chemical Change
  17. Chemical Equations
  18. in Reactions
Down
  1. (Acid-Base)
  2. vs. Endothermic
  3. as Catalysts
  4. Applications of Chemical Change
  5. Bonds Breaking/Forming
  6. Flying mammal
  7. Has a trunk
  8. and Corrosion
  9. Size
  10. Examples of Chemical Change
  11. Kinetics
  12. Theory
  13. Man's best friend

31 Clues: Rate • Size • Area • Energy • Theory • Kinetics • Reactions • and Gases • Reactions • (Acid-Base) • Equilibrium • Has a trunk • as Catalysts • in Reactions • and Reduction • Flying mammal • and Corrosion • Large marsupial • vs. Endothermic • and Respiration • Man's best friend • of Chemical Change • Chemical Equations • Likes to chase mice • vs. Chemical Change • of Chemical Reactions • Bonds Breaking/Forming • ...

IPC Test Extra Credit (20 points) 2024-04-12

IPC Test Extra Credit (20 points) crossword puzzle
Across
  1. mass divided by volume
  2. beginning substances in a chemical reaction
  3. when the appearance of a substance changes
  4. the atomic number of an element
  5. another sign of a chemical reaction
  6. mass divided by volume
  7. when the atoms rearrange to form a new substance
  8. the center of the atom
  9. symbols and formulas to describe a reaction
  10. discovered the nucleus has a positive charge
Down
  1. proposed the Plum Pudding model
  2. substances created in a chemical reaction
  3. proposed that the atom is indivisible
  4. has 10 electrons
  5. when the atoms rearrange to form a new substance

15 Clues: has 10 electrons • mass divided by volume • mass divided by volume • the center of the atom • proposed the Plum Pudding model • the atomic number of an element • another sign of a chemical reaction • proposed that the atom is indivisible • substances created in a chemical reaction • beginning substances in a chemical reaction • discovered the nucleus has a positive charge • ...

Atoms, Elements and Compounds 2021-11-07

Atoms, Elements and Compounds crossword puzzle
Across
  1. Smallest particle which makes up an element.
  2. Chemical change which produces new materials
  3. Chemicals taking part in a reaction
  4. Chemicals formed during a reaction
  5. Type of element found on the left of the Periodic Table
  6. Negative particle found on the shells of an atom.
  7. System of letters and numbers used to represent a compound
  8. Centre of an atom
Down
  1. Place where chemical elements are listed
  2. Method of displaying reactions, using words or symbols
  3. Uncharged particle found in the nucleus of an atom.
  4. Law which says that total mass is unchanged during a reaction
  5. Positive particle found in the nucleus of an atom
  6. One or two letter code used to represent an element
  7. Neutral particle formed when a small group of atoms bond together
  8. Simplest chemicals - made of 1 type of atom
  9. Chemical formed when 2 or more elements bond together
  10. Path around the outside of an atom

18 Clues: Centre of an atom • Chemicals formed during a reaction • Path around the outside of an atom • Chemicals taking part in a reaction • Place where chemical elements are listed • Simplest chemicals - made of 1 type of atom • Smallest particle which makes up an element. • Chemical change which produces new materials • Positive particle found in the nucleus of an atom • ...

Chemistry Final Crossword 2020-06-13

Chemistry Final Crossword crossword puzzle
Across
  1. numbers with a contextual meaning
  2. basic description of the variability of a distribution
  3. a circumstance, fact, or influence that contributes to a result or outcome.
  4. anything having mass and taking up space
  5. rearrangement of atom into new substances
  6. a substance made from a chemical reaction
  7. how far something is
  8. the area of variation between upper and lower limits on a particular scale.
  9. the amount of time occupied by something
  10. start or set in motion
  11. able to be changed or adapted
  12. done in the same way over time, especially so as to be fair or accurate.
  13. of the action or process of observing something or someone carefully.
  14. the rate at which someone or something is able to move
  15. standard reference experiment done under parallel or identical conditions.
  16. useable power such as heat or electricity
  17. the basic unit of matter
Down
  1. a course along which someone or something moves
  2. a chemical reaction between a fuel and oxygen
  3. the action of departing from an established course
  4. the amount of space
  5. the substances that combine in a chemical reaction
  6. quantitative observation of the size, extent or amount of an object.
  7. the action of predicting something
  8. a position on a real or imaginary scale of amount, quantity, extent, or quality.
  9. Pure substance that cannot be broken down into simpler substances by a chemical reaction.

26 Clues: the amount of space • how far something is • start or set in motion • the basic unit of matter • able to be changed or adapted • numbers with a contextual meaning • the action of predicting something • anything having mass and taking up space • the amount of time occupied by something • rearrangement of atom into new substances • a substance made from a chemical reaction • ...

Science Vocabulary Unit B Crossword 2015-11-17

Science Vocabulary Unit B Crossword crossword puzzle
Across
  1. An element with metallic and non-metallic qualities
  2. How fast a chemical reaction occurs
  3. Combination of symbols representing a compound
  4. Substance that helps the rate of reaction occur faster
  5. A law that states mass is neither create or destroyed in chemical reactions
  6. Most reactive non-metals, group 17 on the periodic table
  7. An Atom that has become electrically charged
  8. An experiment in which reactants and products can escape
  9. A row in the periodic table
  10. The smallest part of an element
  11. Organic catalyst
  12. A negatively charged particle in an element
Down
  1. An experiment in which no reactants or products can escape
  2. A Pure substance formed when 2 nonmetals combine
  3. A column in the periodic table
  4. Mass of one atom in an element
  5. Not as reactive, group 2 on periodic table
  6. A reaction which is irreversible, creates a new substance, etc.
  7. A section of elements on the periodic table that does not conduct electricity, is dull and brittle
  8. Number of protons in an atom
  9. A pure substance formed by a metal and non-metal
  10. The core of an element; contains Protons and Neutrons
  11. Most reactive metals, group 1 on periodic table
  12. A positively charged particle in an element core
  13. A neutral charge particle in an element core

25 Clues: Organic catalyst • A row in the periodic table • Number of protons in an atom • A column in the periodic table • Mass of one atom in an element • The smallest part of an element • How fast a chemical reaction occurs • Not as reactive, group 2 on periodic table • A negatively charged particle in an element • An Atom that has become electrically charged • ...

Chemistry 2018-03-13

Chemistry crossword puzzle
Across
  1. the chemicals required in order for a reaction to occur
  2. the reaction that produces energy in the cells of living organisms
  3. negatively charged sub-atomic particle in an atom
  4. the scientist who discovered the nucleus of an atom by shooting alpha particles through gold foil
  5. an atom that has gained or lost an electron
  6. the name given to a chemical reaction where heat is produced
  7. the atom with the atomic number 19 and the symbol K
  8. the number of electrons that can be held in the first shell of an atom
  9. number the name given to the number of protons plus the number of neutrons in an atom
  10. the non-gas reactant in cell respiration
  11. gases very unreactive group on the periodic table
Down
  1. earth metals the name given to group 2 metals on the periodic table
  2. the name given to a chemical reaction where heat is absorbed
  3. the scientist who came up with the plum pudding model of the atom
  4. the gas produced through cell respiration
  5. the name of the chemical process plants use to produce glucose
  6. the part of an atom that has no charge
  7. positively charged sub-atomic particle in an atom
  8. the chemicals produced in a chemical reaction
  9. the number of electrons that can be held in the 2nd shell of an atom

20 Clues: the part of an atom that has no charge • the non-gas reactant in cell respiration • the gas produced through cell respiration • an atom that has gained or lost an electron • the chemicals produced in a chemical reaction • negatively charged sub-atomic particle in an atom • positively charged sub-atomic particle in an atom • ...

Chapter 9-10 Crossword (Acid, Base, pH, Chem. Rxns) 2021-02-16

Chapter 9-10 Crossword (Acid, Base, pH, Chem. Rxns) crossword puzzle
Across
  1. The number that indicates the relative strength of acids and bases in a substance.
  2. Type of reaction that releases heat
  3. The chemical reaction that occurs when burning something.
  4. Has a pH ranging from 11-14
  5. Has a pH ranging from 8-10
  6. A substance that is present at the start of a chemical reaction.
  7. An ion that has a positive charge.
  8. A change in a substance that does not change its identity
  9. Reactions that form water and salt upon mixing of an acid and a base.
  10. Has a pH ranging from 4-6
Down
  1. Matter is not created nor destroyed in any chemical or physical change.
  2. Occurs when two or more molecules interact and change into a new substance.
  3. A substance that releases hydrogen ions (H+). Has a sour taste and low pH.
  4. scale Ranges from the number 0-14. Used to measure how strong or weak an acid/base is.
  5. Has a pH of 7
  6. A substance that releases hydroxide ions (OH-). Has a bitter taste and high pH.
  7. A solid that forms from a solution during a chemical reaction.
  8. Has a pH ranging from 0-3
  9. Test strips that contain compounds; change color when in contact with a substance.
  10. An ion that has a negative charge.
  11. An atom that has a positive or negative charge.
  12. Type of reaction that absorbs heat
  13. When an acid and a base combine changing the pH to be neutral.

23 Clues: Has a pH of 7 • Has a pH ranging from 0-3 • Has a pH ranging from 4-6 • Has a pH ranging from 8-10 • Has a pH ranging from 11-14 • An ion that has a positive charge. • An ion that has a negative charge. • Type of reaction that absorbs heat • Type of reaction that releases heat • An atom that has a positive or negative charge. • ...

Chemistry crossword 2016-02-11

Chemistry crossword crossword puzzle
Across
  1. little pieces in the elements
  2. weight of atom
  3. small, simple atom with very few electrons
  4. metal like element that is liquid at room temperature
  5. neutral charged part of atom
  6. reaction that absorbs heat
  7. outermost electron
  8. reaction that releases heat
  9. positive charged piece in an atom
  10. Russian chemist
  11. one or two letters that are used to show an element
  12. outcome of chemical reaction
  13. track that electrons follow
  14. category of elements
Down
  1. shiny and conductive element
  2. a rule that states mass cannot be destroyed
  3. center part of an atom
  4. mixture of non chemically bound elements
  5. a chemical reaction that attaches a metal to the surface of an object
  6. metal non conductive ductile element
  7. number of protons in the nucleus
  8. negative charged part of atom
  9. has atoms in it
  10. solid that causes reaction
  11. pure substance
  12. single element

26 Clues: weight of atom • pure substance • single element • Russian chemist • has atoms in it • outermost electron • category of elements • center part of an atom • reaction that absorbs heat • solid that causes reaction • reaction that releases heat • track that electrons follow • shiny and conductive element • neutral charged part of atom • outcome of chemical reaction • ...

Bonding and Reactions 2024-11-25

Bonding and Reactions crossword puzzle
Across
  1. a number that represents how many molecules are in the reaction
  2. the ability to attract an electron
  3. an intermolecular force created by polar or ionic bonds (medium strength)
  4. uneven sharing of electrons
  5. the outermost electron used in bonds
  6. forces that keep molecules together
  7. abbreviated (g)
  8. two or more atoms bonded together
  9. used to speed up the reaction
  10. abbreviated (s)
  11. the transfer of electrons
Down
  1. a negatively charged subatomic particle
  2. even sharing of electrons
  3. an intermolecular force created by nonpolar bonds (weak strength)
  4. the sharing of electrons in a bond
  5. before a chemical reaction occurs
  6. after a chemical reaction occurs
  7. abbreviated (aq)
  8. an intermolecular force created when H bonds with F, O, N
  9. an arrow used to show the result of the reaction
  10. two valence electrons that link atoms together
  11. abbreviated (l)

22 Clues: abbreviated (g) • abbreviated (s) • abbreviated (l) • abbreviated (aq) • even sharing of electrons • the transfer of electrons • uneven sharing of electrons • used to speed up the reaction • after a chemical reaction occurs • before a chemical reaction occurs • two or more atoms bonded together • the ability to attract an electron • the sharing of electrons in a bond • ...

Carbon and Life Part 1 2025-02-06

Carbon and Life Part 1 crossword puzzle
Across
  1. *********** reaction; reaction involving the removal of water
  2. the monomers of polysaccharides
  3. prefix for four
  4. tetravalent atom with six protons
  5. the building block; the subunit that serves as the building block of polymers
  6. ******** reaction; making and breaking of bonds
  7. prefix for seven
Down
  1. the monomer of nucleic acids
  2. compounds containing ONLY carbon and hydrogen
  3. prefix for one
  4. ********** reaction; reaction involving the addition of water
  5. ********** group; groups directly involved in chemical reactions
  6. a giant molecule formed by the joining of smaller molecules
  7. two words; the subunit of proteins
  8. ******* compounds; compounds containing carbon
  9. a long molecule consisting of many similar or identical subunits

16 Clues: prefix for one • prefix for four • prefix for seven • the monomer of nucleic acids • the monomers of polysaccharides • tetravalent atom with six protons • two words; the subunit of proteins • compounds containing ONLY carbon and hydrogen • ******* compounds; compounds containing carbon • ******** reaction; making and breaking of bonds • ...

PS Review Semester 1 - 2021 2021-12-08

PS Review Semester 1 - 2021 crossword puzzle
Across
  1. Carbon dioxide and water are usually the products in this type of reaction
  2. one sign of a chemical reaction taking place
  3. the amount of time it takes for one half of a sample to decay
  4. electrons have this charge
  5. displacement AB + C → AC + B
  6. the bonding where electrons are shared
  7. these gases do not react because they are completely stable on their own
  8. anything that takes up space and has mass
  9. adding protons and neutrons
  10. when a chemical reaction takes in heat
  11. a charged particle
  12. neutrons have this charge
  13. this element radioactively decays into Lead
  14. protons have this charge
  15. adding this to a reaction can speed it up
  16. number of protons
  17. orbit the nucleus
Down
  1. AB → A + B
  2. A + B → AB
  3. number of electrons the 2nd energy level can hold
  4. another name for electron energy levels
  5. center of an atom
  6. displacement AB + CD → AD + BC
  7. happens in nuclear energy when one reaction sets off another and another
  8. the spontaneous process in which an atomic nucleus emits radiation
  9. the bonding where electrons are transferred
  10. father of the Periodic Table of Elements
  11. Column 1 of the periodic table are these types of metals
  12. the middle part of the periodic table, which we colored red, are these metals
  13. chemicals listed to the right of the arrow in a chemical reaction
  14. chemicals listed to the left of the arrow in a chemical reaction
  15. when a chemical reaction releases energy
  16. outer electrons can be called this
  17. the reason atoms combine with each other
  18. the conservation of ______ says that matter cannot be created or destroyed
  19. ability of an atom to attract electrons to itself
  20. number of electron energy levels and also the number of rows in the periodic table
  21. atoms with the same number of protons but different number of neutrons
  22. when an electron gains energy, it moves from a grounded state to this state

39 Clues: AB → A + B • A + B → AB • center of an atom • number of protons • orbit the nucleus • a charged particle • protons have this charge • neutrons have this charge • electrons have this charge • adding protons and neutrons • displacement AB + C → AC + B • displacement AB + CD → AD + BC • outer electrons can be called this • the bonding where electrons are shared • ...

Max' crossword puzzle 2024-05-23

Max' crossword puzzle crossword puzzle
Across
  1. Putting chemicals together
  2. The changes during a chemical reaction
  3. Something that takes up space
  4. A characteristic that can be seen, such as texture, color, order, boiling point, density, or measured
  5. A change you can see
  6. Something that increases the rate of a chemical reaction
  7. The starting materials that undergo to make a chemical change to make a product
  8. A pure substance that is formed when two or more different elements combine
Down
  1. The study of matter
  2. The average amount of kinetic energy in a system
  3. The substance that is made after a reaction
  4. A substance that can't be broken down
  5. The amount of matter in an object
  6. An amount of space an object takes up
  7. water sticking to things
  8. A process changing a substance into a new substance
  9. A attraction between atoms
  10. The smallest unit of matter

18 Clues: The study of matter • A change you can see • water sticking to things • Putting chemicals together • A attraction between atoms • The smallest unit of matter • Something that takes up space • The amount of matter in an object • A substance that can't be broken down • An amount of space an object takes up • The changes during a chemical reaction • ...

KO5 Chemical Reactions 2026-02-02

KO5 Chemical Reactions crossword puzzle
Across
  1. A reaction breaking down a substance into smaller parts using heat
  2. When an acid and base reaction to make salt and water
  3. A substance that is produced during a chemical reaction
  4. A substance which speeds up a reaction without itself being used up
  5. A substance that takes part in and undergoes change during a reaction
  6. A measurement reading of how acidic or alkaline something is
  7. A row in the periodic table
Down
  1. Substances with a pH more than 7
  2. A reaction where a substance bonds with oxygen
  3. Reaction where heat is given off
  4. An interaction between two or more substances that brings about a chemical change
  5. Substances with a pH less than 7
  6. Reaction where heat is absorbed
  7. Type of indicator used to test for pH
  8. A more reactive element take s the lace of a less reactive element in a compound
  9. A column in the periodic table

16 Clues: A row in the periodic table • A column in the periodic table • Reaction where heat is absorbed • Substances with a pH more than 7 • Reaction where heat is given off • Substances with a pH less than 7 • Type of indicator used to test for pH • A reaction where a substance bonds with oxygen • When an acid and base reaction to make salt and water • ...

Energy transfers crossword 2022-02-04

Energy transfers crossword crossword puzzle
Across
  1. ___________ are found on the left hand side of a chemical equation
  2. A force that holds together atoms in a compound or molecule (must be broken and reformed for a chemical reaction to occur)
  3. substances formed from reactants in a chemical reaction
  4. Burning a fuel in the presence of oxygen
  5. The law of the conservation of _____: States that atoms are rearranged in a chemical reaction, not lost or found
  6. A type of reaction where energy is taken in from the surroundings, decreasing the surrounding temperature
  7. This gas makes limewater turn cloudy
  8. In a chemical equation, products are found on the ______ hand side
Down
  1. A substance that speeds up chemical reactions, but are not changed during the reaction
  2. Thermal ________, to breakdown a substance using heat
  3. A type of change where an object can be reshaped, but no new product is formed. Is often reversible
  4. A type of reaction where energy is given out, so the surrounding temperature increases

12 Clues: This gas makes limewater turn cloudy • Burning a fuel in the presence of oxygen • Thermal ________, to breakdown a substance using heat • substances formed from reactants in a chemical reaction • ___________ are found on the left hand side of a chemical equation • In a chemical equation, products are found on the ______ hand side • ...

Crescent/Dixie's Chemistry Crossword 2020-08-28

Crescent/Dixie's Chemistry Crossword crossword puzzle
Across
  1. a state of matter consisting of particles that have neither a defined volume nor defined shape
  2. a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change
  3. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
  4. A statement or conclusion that answers the original question/problem
  5. chemically the simplest substances and hence cannot be broken down using chemical reactions
  6. any substance that has mass and takes up space by having volume
  7. the scientific word for burning
  8. an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid nonmetals or semiconductors
  9. the ability of a substance, usually a metal, to be deformed or molded into a different shape
  10. a substance formed when two or more chemical elements are chemically bonded together
  11. an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products
  12. matter which has a specific composition and specific properties
  13. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  14. the form in which the number of atoms in a molecule is written
  15. a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts
  16. a substance that is formed as the result of a chemical reaction
  17. when subjected to stress, it breaks with little elastic deformation and without significant plastic deformation
  18. a substance that is present at the start of a chemical reaction
  19. A representation or simulation for device structure, process equipment, or a management system
  20. a substance that conducts heat, electricity, or sound only in very small degree
  21. notice or perceive (something) and register it as being significant
Down
  1. the sum of all solid and liquid particles suspended in air many of which are hazardous
  2. a process in which one or more substances, the reactants, are converted to one or more different substances, the products
  3. another word for element symbols
  4. a guess what might happen based on observation the active acquisition of information from a primary source
  5. a state of matter that has a definite volume but no definite shape
  6. a characteristic of a substance that is observed during a reaction
  7. a property that describes the ability of a material to stretch thin when tensile stress is applied
  8. smallest unit into which matter can be divided
  9. characteristics or behaviour of a sample which is large enough to see, handle, manipulate, weigh, etc
  10. a chemical element that mostly lacks the characteristics of a metal
  11. a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
  12. the symbolic representation of a chemical reaction
  13. a state of matter characterized by particles arranged such that their shape and volume are relatively stable
  14. a usually reversible change in the physical properties of a substance, as size or shape
  15. a material which contains movable electric charges
  16. the way light interacts with the surface of a crystal, rock, or mineral
  17. that which tends to prove or disprove something
  18. a substance which is lustrous, sonorous, ductile, and is a good conductor of heat and electricity

39 Clues: the scientific word for burning • another word for element symbols • smallest unit into which matter can be divided • that which tends to prove or disprove something • the symbolic representation of a chemical reaction • a material which contains movable electric charges • the form in which the number of atoms in a molecule is written • ...

Chemistry 2024-03-15

Chemistry crossword puzzle
Across
  1. a chemical reaction in which a substance loses electrons.
  2. means more molecules in a given space, increasing the chance of collisions and speeding up reactions.
  3. reactions are common endothermic reactions.
  4. a chemical reaction in which a substance gains electrons.
  5. the process when energy is released to the surroundings
  6. is one or more forms of a chemical element that can exist in the same physical state.
  7. speed up reactions without getting used up themselves.
  8. reaction is a chemical reaction in which the product can react to produce the original reactant. It can move in both forward and backward directions.
Down
  1. the approximate percentage of argon in air
  2. means using electricity to coat one metal with another.
  3. generates electrons in the reaction and is oxidized. It reduces another substance by generating electrons.
  4. a chemical reaction that uses nitrogen gas and hydrogen gas to create the chemical compound ammonia.

12 Clues: the approximate percentage of argon in air • reactions are common endothermic reactions. • speed up reactions without getting used up themselves. • means using electricity to coat one metal with another. • the process when energy is released to the surroundings • a chemical reaction in which a substance loses electrons. • ...

Modeling Conservation of Mass 2023-09-27

Modeling Conservation of Mass crossword puzzle
Across
  1. Law of ______________ of Matter - Scientific law stating that the mass of all reactants must equal the mass of all products; matter is neither created nor destroyed
  2. Chemical __________ - A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms that are present in the smallest unit of a substance
  3. to prevent the loss of something
  4. A measure of how much matter is present in a substance
  5. a number written below and to the right of a chemical symbol that shows the number of specific type of atoms present
  6. Physical or chemical characteristics of matter used to describe or identify a substance
  7. the smallest particle of an element; made of electrons, protons, and neutrons
Down
  1. chemical ________ - is chemical formula and symbols written to represent a reaction
  2. the simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically
  3. a substance that takes part in and undergoes change during a chemical reaction
  4. Chemical _________ - The process by which one or more substances change to produce one or more different substances
  5. A number placed in front of a chemical symbol or formula that represents the number of molecules
  6. A substance produced during a chemical reaction
  7. Chemical _________ - Method or means of changing one or more chemicals or chemical compounds

14 Clues: to prevent the loss of something • A substance produced during a chemical reaction • A measure of how much matter is present in a substance • the smallest particle of an element; made of electrons, protons, and neutrons • a substance that takes part in and undergoes change during a chemical reaction • ...

Neutralisation 2021-02-10

Neutralisation crossword puzzle
Across
  1. used to raise the pH of an acid soil
  2. red vegetable used to make an indicator
  3. pH 7
  4. used in a chemical reaction
  5. ions produced by an alkali
  6. pH 8-14
  7. common "bench" acid
Down
  1. pH 1-6
  2. made in a chemical reaction
  3. a chemical that will neutralise an acid
  4. reaction where a base is added to an acid
  5. Made in neutralisation reactions
  6. hydrogen ion
  7. Colour of red cabbbage indicator in a strong alkali

14 Clues: pH 7 • pH 1-6 • pH 8-14 • hydrogen ion • common "bench" acid • ions produced by an alkali • made in a chemical reaction • used in a chemical reaction • Made in neutralisation reactions • used to raise the pH of an acid soil • a chemical that will neutralise an acid • red vegetable used to make an indicator • reaction where a base is added to an acid • ...

Unit 3 Vocabulary 2023-05-16

Unit 3 Vocabulary crossword puzzle
Across
  1. (usually a protein) that speeds up a biochemical reaction by lowering its activation energy
  2. Get energy from living or non-living organisms. examples: animals, fungus, people.
  3. Eat only meat example-polar bear
  4. A reaction that overall releases more energy (in the form of heat or light than it absorbs.
  5. Reactions that build larger molecules from smaller ones
  6. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid.
  7. (substrate) A substance that is changed during a chemical reaction
  8. The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  9. energy Energy needed to get a chemical reaction started
  10. A green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
  11. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  12. Substance that speeds up the rate of a chemical reaction without being permanently altered
  13. A reaction that overall absorbs more energy (in the form of heat or light) than it releases.
  14. Pancake-like stacks of thylakoid membrane
  15. A substance that is made in a chemical reaction
  16. Eat meat and vegetation example-raccoons
Down
  1. The membrane of the mitochondria that is the site of electron transport and chemiosmosis.
  2. Requires oxygen
  3. Eat only vegetation
  4. The overall process by which sunlight (solar/light energy) chemically converts water and carbon dioxide into chemical energy stored in glucose (a sugar/carbohydrate) (this happens on the leaf of a plant)
  5. Reactions The breaking and forming of bonds between different substances during chemical changes
  6. Is without oxygen; usually w/short-spurt, high-energy activities
  7. site Location on an enzyme where the substrate binds
  8. Non-living portion
  9. Reactions that break down larger molecules into simpler compounds.
  10. All of the chemical reactions that occur within an organism
  11. Eat dead materials example-vultures
  12. Fluid-like substance that fills the space between the grana
  13. They get energy from non-living sources most capture energy during photosynthesis to make simple sugars.
  14. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
  15. When an enzyme's active site loses its specific shape, causing a loss in biological activity

31 Clues: Requires oxygen • Non-living portion • Eat only vegetation • Eat only meat example-polar bear • Eat dead materials example-vultures • Eat meat and vegetation example-raccoons • Pancake-like stacks of thylakoid membrane • A substance that is made in a chemical reaction • site Location on an enzyme where the substrate binds • ...

Periodic Compounds Key Terms 2024-07-28

Periodic Compounds Key Terms crossword puzzle
Across
  1. a substance that is brittle, has a low melting and boiling point and is a poor conductor
  2. a table of chemical elements arranged according to atomic number
  3. a solid material that is usually hard, shiny, malleable, ductile and is a good conductor
  4. the ability of a substance to undergo a chemical reaction
  5. movement of energy from one place to another
  6. the intensity of heat in a substance
  7. type of bond that occurs between a metal and a non metal
Down
  1. the temperature at which a substance will melt
  2. anything that has mass and volume
  3. Russian chemist who developed the periodic table.
  4. process that leads to the chemical transformation of one set of chemical substances to another
  5. substances that take part in a chemical reaction
  6. substances produced in a chemical reaction

13 Clues: anything that has mass and volume • the intensity of heat in a substance • substances produced in a chemical reaction • movement of energy from one place to another • the temperature at which a substance will melt • substances that take part in a chemical reaction • Russian chemist who developed the periodic table. • ...

Chemical Reactions and Equations 2024-05-14

Chemical Reactions and Equations crossword puzzle
Across
  1. a magnesium ribbon burns in _____ colour
  2. corrosion and rancidity are _______ reactions
  3. substance that speeds up a chemical reaction
  4. 2Mg+O2 = 2MgO is a _______ reaction
  5. during a double displacement reaction, _____ are exchanged
  6. brown gas produced during the decomposition of lead nitrate
  7. gas evolved when an acid reacts with a metal
  8. a substance that undergoes a chemical change in a reaction
Down
  1. a substance which turns from green to white when heated
  2. reaction where light causes the breakdown of a subtance
  3. CaO + H20 is a ______ reaction (exothermic/endothermic)
  4. most reactive metal
  5. acid-metal reactions are ________ reactions
  6. common name of calcium hydroxide
  7. an insoluble solid formed during a double displacement reaction

15 Clues: most reactive metal • common name of calcium hydroxide • 2Mg+O2 = 2MgO is a _______ reaction • a magnesium ribbon burns in _____ colour • acid-metal reactions are ________ reactions • substance that speeds up a chemical reaction • gas evolved when an acid reacts with a metal • corrosion and rancidity are _______ reactions • ...

Cellular Energy Terms 2022-12-12

Cellular Energy Terms crossword puzzle
Across
  1. breakdown of substance by bacteria
  2. extracts energy from glucose
  3. substance that changes in a reaction
  4. sugar made from photosynthesis
  5. made from cellular respiration
  6. process that breaks down glucose
  7. controls the rate of gas exchange
  8. inner tissue of a leaf
  9. chemical element
  10. converts nutrients to glucose
  11. organism that is a primary producer
  12. relating to oxygen
Down
  1. an organelle found in cells
  2. 1 carbon atom, 2 carbon atoms
  3. cycle of chemical reactions
  4. citric acid cycle
  5. the result of a reaction
  6. an organelle containing chlorphyll
  7. process in which plants make food
  8. reaction using light energy

20 Clues: chemical element • citric acid cycle • relating to oxygen • inner tissue of a leaf • the result of a reaction • an organelle found in cells • cycle of chemical reactions • reaction using light energy • extracts energy from glucose • 1 carbon atom, 2 carbon atoms • converts nutrients to glucose • sugar made from photosynthesis • made from cellular respiration • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Chemical Reactions and Equations 2025-06-01

Chemical Reactions and Equations crossword puzzle
Across
  1. Process in which one or more substances are changed into new substances
  2. Chemical reaction in which two or more substances combine
  3. Reaction in which heat is evolved
  4. Substance that speeds up a chemical reaction without being consumed
  5. Substance that undergoes a chemical change
Down
  1. Reaction in which heat is absorbed
  2. Chemical equation in which the number of atoms of each element is equal on both sides
  3. Type of chemical reaction in which a single compound breaks down
  4. Representation of a chemical reaction using symbols and formulas
  5. Number that represents the number of atoms of an element in a molecule

10 Clues: Reaction in which heat is evolved • Reaction in which heat is absorbed • Substance that undergoes a chemical change • Chemical reaction in which two or more substances combine • Type of chemical reaction in which a single compound breaks down • Representation of a chemical reaction using symbols and formulas • ...

VOCABULARY IN CHEMISTRY 2023-05-15

VOCABULARY IN CHEMISTRY crossword puzzle
Across
  1. Unit for the amount of substance
  2. Energy that needs to have a molecule to react
  3. Type of element in the last group of the periodic table
  4. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
  5. Ion with positive charge
  6. Fist part of the chemical reaction
  7. Is the mass that appears in the periodic table.
  8. Negative particle of the atom
  9. Is the number of protons of an atom.
  10. Neutral particle of the atom
Down
  1. Last part of the chemical reaction
  2. The conditions in which a gas occupies 22.7L at 25C and 1 atm.
  3. An atom with charge is called...
  4. Ion with negative charge
  5. Part of chemistry that studies changes in a chemical reaction
  6. Type of elements in the right side of the periodic table
  7. Process that involves rearrangement of atoms
  8. Type of elements in the left side of the periodic table
  9. Positive particle of the atom
  10. Unit to measure mass
  11. Element with symbol Cd

21 Clues: Unit to measure mass • Element with symbol Cd • Ion with negative charge • Ion with positive charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • Unit for the amount of substance • An atom with charge is called... • Last part of the chemical reaction • Fist part of the chemical reaction • Is the number of protons of an atom. • ...

Tatum G 4.1.3 2024-02-07

Tatum G 4.1.3 crossword puzzle
Across
  1. an enzyme that helps digest food
  2. after a chemical reaction occurs
  3. percentage of hydrogen ions in a solution
  4. if the enzymes shape changes significantly and can no longer function
  5. reaction energy lowered by enzymes
  6. a toxic chemical that is produced in many organisms
  7. the name of what an enyzme typically ends in
  8. lots of hydrogen
  9. can block active sites
  10. when the substrate is changed
  11. the substance the enzyme acts on
  12. something you breathe in everyday to stay alive
  13. molecule that's used by all living organisms
  14. shape of the enzyme fits the substrate
  15. an enzyme that is released by the cells of the stomach
Down
  1. very little hydrogen
  2. enzymes control this aspect of a chemical reaction
  3. adds water molecules
  4. large bio-molecules
  5. chemical reactions done by living organisms
  6. degree or intensity of heat present
  7. removes water molecules
  8. specifically shaped area of the enzyme
  9. breaks down lactose
  10. protein molecules that act as biological catalysts

25 Clues: lots of hydrogen • large bio-molecules • breaks down lactose • very little hydrogen • adds water molecules • can block active sites • removes water molecules • when the substrate is changed • an enzyme that helps digest food • after a chemical reaction occurs • the substance the enzyme acts on • reaction energy lowered by enzymes • degree or intensity of heat present • ...

Reni's Matter Crossword 2024-05-15

Reni's Matter Crossword crossword puzzle
Across
  1. 2 or more atoms joined together.
  2. A combination of substances that can be physically separated
  3. The interaction between 2 or more elements.
  4. The substances present before a chemical reaction.
  5. CO2 is a definition of ______.
  6. A substance formed during a chemical reaction.
  7. The study of matter and everything in the universe.
  8. The amount of space an object takes up.
  9. The average amount of heat in an object.
Down
  1. Carbon, Hydrogen, & Oxygen are examples of an _______.
  2. The amount of matter in an object.
  3. The ability of molecules of the same substance to stick together.
  4. Everything in the universe is made of this.
  5. The attraction between 2 or more atoms.
  6. The transfer of thermal energy in an object .
  7. The smallest unit of matter.
  8. Material that speeds up the chemical reaction.
  9. The ability to do work and cause change is ______.

18 Clues: The smallest unit of matter. • CO2 is a definition of ______. • 2 or more atoms joined together. • The amount of matter in an object. • The attraction between 2 or more atoms. • The amount of space an object takes up. • The average amount of heat in an object. • Everything in the universe is made of this. • The interaction between 2 or more elements. • ...

Chemical reactions crossword 2013-12-19

Chemical reactions crossword crossword puzzle
Across
  1. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  2. a chemical reaction accompanied by the absorption of heat
  3. a substance obtained from another substance through chemical change
  4. any of the substances participating in a chemical reaction
  5. a thing that inhibits someone or something
Down
  1. a chemical reaction accompanied by the evolution of heat
  2. the symbolic representation of a chemical reaction
  3. a process existing in or produced by nature (rather than by the intent of human beings)
  4. matter cannot be created or destroyed in an isolated system
  5. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  6. a process that involves rearrangement of the molecular or ionic structure of a substance

11 Clues: a thing that inhibits someone or something • the symbolic representation of a chemical reaction • a chemical reaction accompanied by the evolution of heat • a chemical reaction accompanied by the absorption of heat • any of the substances participating in a chemical reaction • matter cannot be created or destroyed in an isolated system • ...

Chapter 8 2025-10-17

Chapter 8 crossword puzzle
Across
  1. macromolecule that acts as a catalyst
  2. a measure of molecular disorder or randomness
  3. the reactant an enzyme acts on
  4. adenosine triphosphate the cell's main energy source
  5. pathway a series of chemical reactions occurring within a cell
  6. energy potential energy available for release in a chemical reaction
  7. an energy-releasing chemical reaction
  8. everything outside the system
  9. energy energy that matter possesses because of its location or structure
  10. an energy-requiring chemical reaction
  11. energy energy associated with the relative motion of objects
  12. Law of Thermodynamics every energy transfer or transformation increases the entropy of the universe
  13. energy kinetic energy associated with the random movement of atoms or molecules
  14. the acceleration of a chemical reaction by a catalyst
Down
  1. the equation used to calculate the change in free energy in a chemical reaction
  2. pathways metabolic pathways that construct complex molecules from simpler ones requiring energy
  3. inhibition a method of metabolic control where the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway
  4. the matter under study in a particular case of thermodynamics
  5. site the region on the enzyme where the substrate binds
  6. regulation the binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  7. the absolute temperature scale used in scientific measurements
  8. the capacity to cause change
  9. energy a type of electromagnetic radiation which is visible to the human eye
  10. Law of Thermodynamics energy can be transferred and transformed but it cannot be created or destroyed
  11. a measure of the total heat content of a system
  12. process a process that can occur without an input of energy
  13. the study of energy transformations
  14. a force acting over a distance
  15. coupling the use of an exergonic process to drive an endergonic one
  16. pathways metabolic pathways that break down complex molecules into simpler ones releasing energy

30 Clues: the capacity to cause change • everything outside the system • the reactant an enzyme acts on • a force acting over a distance • the study of energy transformations • macromolecule that acts as a catalyst • an energy-releasing chemical reaction • an energy-requiring chemical reaction • a measure of molecular disorder or randomness • ...

Robert Pennington chapter 13 2020-10-19

Robert Pennington chapter 13 crossword puzzle
Across
  1. having two atom switching partners.
  2. only having one individual joining a team.
  3. a substance that lowers the activation energy of a chemical reaction.
  4. the amount of energy to break the bonds.
  5. reaction there is a net release of energy.
  6. some compound combining with oxygen.
  7. no atom are gained or lost during any reaction.
Down
  1. how quickly the concetration of reactants decreases.
  2. chemical that accepts a hydrogen ion
  3. building reaction, combining the molecoles.
  4. when reactions and its reverse act the same rate.
  5. reaction there is a net absorption of energy.
  6. chemical that donates a hydrogen ion.

13 Clues: having two atom switching partners. • some compound combining with oxygen. • chemical that accepts a hydrogen ion • chemical that donates a hydrogen ion. • the amount of energy to break the bonds. • only having one individual joining a team. • reaction there is a net release of energy. • building reaction, combining the molecoles. • ...

9.1-9.2 Review 2025-03-12

9.1-9.2 Review crossword puzzle
Across
  1. a process where substances change into different substances
  2. symbols tell us the physical state of each substance
  3. means "yields" or "produces"
  4. symbolic representation of a chemical reaction
  5. red rust
  6. exist in nature as two-atom molecules
  7. Nonmetal + Nonmetal
Down
  1. a type of chemical reaction where two or more reactants combine to form a single product
  2. the starting substances in a reaction
  3. metal oxide + water
  4. metal + nonmeta
  5. the substances formed as a result of the reaction
  6. black rust
  7. yellow rust
  8. Metal + Oxygen

15 Clues: red rust • black rust • yellow rust • Metal + Oxygen • metal + nonmeta • metal oxide + water • Nonmetal + Nonmetal • means "yields" or "produces" • the starting substances in a reaction • exist in nature as two-atom molecules • symbolic representation of a chemical reaction • the substances formed as a result of the reaction • symbols tell us the physical state of each substance • ...

NSD -2025 2025-02-24

NSD -2025 crossword puzzle
Across
  1. – A substance that increases the concentration of hydrogen ions (H⁺) in a solution.
  2. – The SI unit for the amount of substance, containing Avogadro’s number of particles.
  3. – A solution that contains more dissolved solute than it can normally hold at a given temperature.
  4. – Different structural forms of the same element in the same physical state.
  5. – An atom or molecule with a net electric charge due to the loss or gain of electrons.
  6. – The substance in which the solute dissolves to form a solution.
  7. – A group of two or more atoms chemically bonded together.
  8. – A technique used to determine the concentration of a solution by reacting it with a standard solution.
  9. – A substance that increases the concentration of hydroxide ions (OH⁻) in a solution.
  10. – The substance dissolved in a solution.
  11. – A state in which the forward and reverse reactions occur at the same rate.
  12. – An insoluble solid that forms in a solution during a chemical reaction.
  13. – A substance composed of two or more different elements chemically bonded together.
  14. – A solution that resists changes in pH when an acid or base is added.
  15. – An element with properties intermediate between metals and nonmetals.
  16. – The gain of electrons by an atom or molecule.
  17. Bond – A bond formed between oppositely charged ions due to electron transfer.
  18. – The total heat content of a system.
  19. – The smallest unit of an element that retains its chemical properties.
  20. – The mixing of atomic orbitals to form new hybrid orbitals.
  21. Free Energy – A thermodynamic quantity indicating the spontaneity of a reaction.
  22. – The calculation of reactants and products in a chemical reaction.
  23. – The concentration of a solution expressed as moles of solute per liter of solution.
Down
  1. – Properties of solutions that depend on the number of solute particles, such as boiling point elevation and freezing point depression.
  2. – A substance made of only one type of atom.
  3. – A substance formed as a result of a chemical reaction.
  4. – The loss of electrons by an atom or molecule.
  5. – A measure of the disorder or randomness in a system.
  6. Bond – A chemical bond formed by the sharing of electron pairs between atoms.
  7. – An element that is a good conductor of heat and electricity, malleable, and ductile.
  8. – Atoms of the same element with different numbers of neutrons.
  9. Reaction – A chemical reaction involving both oxidation and reduction.
  10. – The spontaneous emission of radiation by an unstable atomic nucleus.
  11. – The ability of an atom to attract electrons in a chemical bond.
  12. – An element that lacks metallic properties and is usually a poor conductor.
  13. – The time required for half of a radioactive substance to decay.
  14. – A substance that undergoes change in a chemical reaction.
  15. – A substance that speeds up a chemical reaction without being consumed.
  16. – A homogeneous mixture of solute and solvent.

39 Clues: – The total heat content of a system. • – The substance dissolved in a solution. • – A substance made of only one type of atom. • – A homogeneous mixture of solute and solvent. • – The loss of electrons by an atom or molecule. • – The gain of electrons by an atom or molecule. • – A measure of the disorder or randomness in a system. • ...

Chemical reactions 2023-04-06

Chemical reactions crossword puzzle
Across
  1. All chemical reactions involve e_______ being transferred
  2. This type of reaction would show a temperature decrease
  3. This type of reaction would show a temperature increase
  4. Thermal _________________ reactions involve a single reactant being broken down
  5. The scientific name of the chemical reaction involving burning a fuel
  6. Fossil fuels are bad because they contribute to ___________ change
Down
  1. This liquid can be used to test for the presence of carbon dioxide
  2. The chemical(s) on the LEFT side of the arrow in a word equation
  3. In a chemical reaction, the ______ of the reactants = the mass of the products
  4. The chemical(s) on the RIGHT side of the arrow in a chemical reaction
  5. Fossil fuels are non-_____________ meaning we can't get more of them easily
  6. You need to wear these over your eyes when handling acids

12 Clues: This type of reaction would show a temperature decrease • This type of reaction would show a temperature increase • All chemical reactions involve e_______ being transferred • You need to wear these over your eyes when handling acids • The chemical(s) on the LEFT side of the arrow in a word equation • ...

Chemical Reactions and Equations. 2020-04-24

Chemical Reactions and Equations. crossword puzzle
Across
  1. addition of electronegative ion
  2. occurs when barium chloride reacts with sodium sulphate
  3. agent causes reduction
  4. iodide
  5. reaction between an acid and a base
  6. reaction taking place when to elements for a single compound
  7. symbolic representation of a chemical reaction
Down
  1. chemical used in photography
  2. reaction when two compounds exchange their ions
  3. colour of fumes given out when lead nitrate is heated
  4. reaction taking place when calcium carbonate is heated
  5. common effect of aerial oxidation on metals
  6. colour of precipitate formed when lead nitrate reacts with
  7. this is what an equation should be
  8. causes oxidation
  9. addition of electropositive ion

16 Clues: iodide • causes oxidation • agent causes reduction • chemical used in photography • addition of electronegative ion • addition of electropositive ion • this is what an equation should be • reaction between an acid and a base • common effect of aerial oxidation on metals • symbolic representation of a chemical reaction • reaction when two compounds exchange their ions • ...

Carbon and Life 2025-02-06

Carbon and Life crossword puzzle
Across
  1. *********** reaction; reaction involving the removal of water
  2. the monomers of polysaccharides
  3. prefix for four
  4. tetravalent atom with six protons
  5. the building block; the subunit that serves as the building block of polymers
  6. ******** reaction; making and breaking of bonds
  7. prefix for seven
Down
  1. the monomer of nucleic acids
  2. compounds containing ONLY carbon and hydrogen
  3. prefix for one
  4. ********** reaction; reaction involving the addition of water
  5. ********** group; groups directly involved in chemical reactions
  6. a giant molecule formed by the joining of smaller molecules
  7. two words; the subunit of proteins
  8. ******* compounds; compounds containing carbon
  9. a long molecule consisting of many similar or identical subunits

16 Clues: prefix for one • prefix for four • prefix for seven • the monomer of nucleic acids • the monomers of polysaccharides • tetravalent atom with six protons • two words; the subunit of proteins • compounds containing ONLY carbon and hydrogen • ******* compounds; compounds containing carbon • ******** reaction; making and breaking of bonds • ...

Chemistry Unit 5 Crossword 2023-05-01

Chemistry Unit 5 Crossword crossword puzzle
Across
  1. A chemical reaction that occurs when one compound replaces one element with another.
  2. A subatomic particle found on the shell of an atom
  3. A chemical reaction between 2 or more elements that combine to create one product
  4. An atom that loses electrons and has a positive charge
  5. A bound between a positive metal element and a negative non-metal
  6. A chemical reaction when hydrocarbon reacts with oxygen in order to produce carbon dioxide and water
  7. A chemical reaction that occurs when two compounds replace one element with another.
Down
  1. A set of bonded elements that act as one element(typically an anion)
  2. An element that cannot stand by itself
  3. A chemical reaction that occurs when one reactant breaks down into 2 or more products
  4. A number at the end of an element/compound that indicates how many copies it has
  5. A number that stands in front of an element(s) and indicates the multiplicity
  6. A bonds that involve the sharing of electrons
  7. 2 or more chemically combined elements with no charge
  8. An atom that gains electrons and has a negative charge

15 Clues: An element that cannot stand by itself • A bonds that involve the sharing of electrons • A subatomic particle found on the shell of an atom • 2 or more chemically combined elements with no charge • An atom that gains electrons and has a negative charge • An atom that loses electrons and has a positive charge • ...

chemistry crossword puzzle 2025-04-24

chemistry crossword puzzle crossword puzzle
Across
  1. bonded group of substances
  2. combining substance
  3. change
  4. average warmths
  5. something that takes up space
  6. smallest substance
  7. space,the amount
  8. stuff stored in substances
  9. energy between
Down
  1. chemically combined elements
  2. change different chemical transformation
  3. combination to form structures
  4. reaction materials
  5. the science of substance
  6. combination
  7. substance that cant be broken down
  8. chemicals formed
  9. large space, no shape

18 Clues: change • combination • energy between • average warmths • chemicals formed • space,the amount • reaction materials • smallest substance • combining substance • large space, no shape • the science of substance • bonded group of substances • stuff stored in substances • chemically combined elements • something that takes up space • combination to form structures • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Unit 2 2022-03-25

Unit 2 crossword puzzle
Across
  1. an organized structure
  2. hates water
  3. allows certain things to pass
  4. what comes from the reaction
  5. combination of cells
  6. molecules naturally move to lower density
  7. proteins that help your body function
  8. the diffusion of water
  9. moving molecules using energy
  10. combination of organ systems
  11. a group of atoms
  12. base of all life
Down
  1. where the chemical reaction takes place
  2. combination of many organs
  3. energy needed to cause a chemical reaction
  4. moving molecules without energy
  5. it fits into the active site
  6. loves water
  7. active site is changed
  8. basic unit of life
  9. cell membrane
  10. combination of tissue

22 Clues: hates water • loves water • cell membrane • a group of atoms • base of all life • basic unit of life • combination of cells • combination of tissue • an organized structure • active site is changed • the diffusion of water • combination of many organs • what comes from the reaction • it fits into the active site • combination of organ systems • allows certain things to pass • ...

Test Review 1 2017-09-25

Test Review 1 crossword puzzle
Across
  1. changes that occur when a substance combines with another to form a new substance
  2. properties that can be observed or measured without changing the composition of matter
  3. the direction in which energy flows when two objects are in thermal contact
  4. a substance that cannot be separated or broken down into simpler substances by chemical means; a pure substance
  5. 1000 calories
  6. a principle stating that energy cannot be created or destroyed
  7. a unit of energy in the SI system
Down
  1. the amount of heat required to raise the temp. of one gram of water
  2. changes affecting the form of a chemical substance, but not its chemical composition
  3. anything that has mass and volume
  4. mixtures that are not uniform in composition
  5. a chemical reaction that takes in energy in the form of heat
  6. a chemical reaction that releases energy in the form of heat or light
  7. properties that may only be observed and measured by performing a chemical change or chemical reaction
  8. amount of heat per unit mass required to raise the temperature by one degree celsius
  9. a substance made up of atoms of 2 or more different elements joined by chemical bonds; a pure substance
  10. energy that flows between two samples of matter due to their difference in temperature
  11. process of measuring the heat of chemical reactions or physical changes as well as heat capacity
  12. 1000 joules
  13. mixtures that are uniform in compisition (also called heterogenous)

20 Clues: 1000 joules • 1000 calories • anything that has mass and volume • a unit of energy in the SI system • mixtures that are not uniform in composition • a chemical reaction that takes in energy in the form of heat • a principle stating that energy cannot be created or destroyed • the amount of heat required to raise the temp. of one gram of water • ...

Unit 3: Chemistry of Life 2022-12-15

Unit 3: Chemistry of Life crossword puzzle
Across
  1. a process that changes one set of chemicals into another set of chemicals
  2. site location on the substrate where the enzyme attaches
  3. Giant molecules that contain carbon and are the main components of organisms
  4. a substance that speeds up the rate of a chemical reaction
  5. the chemicals that come out of a reaction
  6. a type of reaction that results in a absorption of energy
  7. measures the concentration of H+ ions
  8. the collective chemical reactions that take place in an organism
  9. a type of reaction that results in a release of energy
  10. biological catalysts that speed up a reaction
  11. large compound formed from many monomers
Down
  1. made of a glycerol molecule and a fatty acid
  2. make up all organisms
  3. reactants of an enzyme-catalyzed reaction
  4. main source of energy in most organism
  5. small unit that can join with others to form a polymer
  6. acids transmit genetic information
  7. the chemicals that go into a reaction
  8. made of amino acids
  9. site location on the enzyme where the substrate attaches

20 Clues: made of amino acids • make up all organisms • acids transmit genetic information • the chemicals that go into a reaction • measures the concentration of H+ ions • main source of energy in most organism • large compound formed from many monomers • reactants of an enzyme-catalyzed reaction • the chemicals that come out of a reaction • ...

Science Unit 02 Vocabulary 2021-10-20

Science Unit 02 Vocabulary crossword puzzle
Across
  1. water which collects as droplets on a cold surface when humid air is in contact with it.
  2. the tiny number by the element that tells you how many atoms the element has
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. a reaction that causes a chemical change.
  5. the statement that says matter cannot be created or destroyed.
  6. the proccess of iron turning to rust.
  7. the minor compound in a solution.
  8. the gain of electrons by a substance.
  9. a change that affects the chemical properties of an element.
  10. absorbing thermal heat.
  11. a change in a substance that only affects physical properties.
  12. the elements on the left side of a chemical equation.
  13. the elements of the right side of a chemical equation.
  14. something that you can seperate.
Down
  1. when both sides of the chemical equation or balanced.
  2. an equation that has reactants and products.
  3. the ability of something to disolve.
  4. a mixture that its composition is spread evenly thoughout the mixture
  5. being able to disolve in other substances.
  6. the big number next to a chemical formula that tells how many molecules there are.
  7. release of thermal heat.
  8. a solid that forms after a chemical reaction.
  9. somthing that is made up of two or more different elements.
  10. a group of atoms bonded together.
  11. a mixture that its composition is spread evenly throughout the mixture.

25 Clues: absorbing thermal heat. • release of thermal heat. • something that you can seperate. • the minor compound in a solution. • a group of atoms bonded together. • the ability of something to disolve. • the proccess of iron turning to rust. • the gain of electrons by a substance. • a reaction that causes a chemical change. • being able to disolve in other substances. • ...

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah 2023-03-28

Chemical Changes Crossword Puzzle | Science Assignment | Ethan and Micah crossword puzzle
Across
  1. Stuff gets destroyed over time
  2. 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
  3. UR MOTHER
  4. The chemical after change
  5. UR DEDDY
  6. Changes in a chemical reaction
  7. Water ---> Gas
  8. The chemicals before change
  9. Metal gets red
  10. Fire/Water/Air/Earth
  11. Long years, materials become rusty
  12. Rain of Acid
Down
  1. Substance with pH under 7
  2. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)
  3. Reaction needed for chemicals to change
  4. Reaction when rain or snow falls
  5. Substance with pH over 7
  6. Neutral substance with pH 7
  7. O2, Co2, H2, N2.
  8. Fire eating
  9. Boom
  10. H2 + O = H20

22 Clues: Boom • UR DEDDY • UR MOTHER • Fire eating • H2 + O = H20 • Rain of Acid • Water ---> Gas • Metal gets red • O2, Co2, H2, N2. • Fire/Water/Air/Earth • Substance with pH over 7 • Substance with pH under 7 • The chemical after change • Neutral substance with pH 7 • The chemicals before change • Stuff gets destroyed over time • Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) • Changes in a chemical reaction • ...

Unit 3 Vocabulary 2024-09-24

Unit 3 Vocabulary crossword puzzle
Across
  1. symbolic representation of a chemical reaction using symbols of the elements
  2. Allows particles to escape
  3. number of atoms or molecules that an element has, written immediately after
  4. solid particles that have been separated from a solution
  5. arrow pointing to the product in an chemical equation
  6. The number of molecules in a given substance, placed in front
  7. Does not allow particles to escape
  8. Substance that is part of a chemical reaction
Down
  1. Mass in an isolated system is neither created, nor destroyed
  2. number of atoms for each element in the reaction and the product are equal
  3. an ion composed of two or more atoms
  4. Result of a chemical reaction
  5. number of atoms for each element in the reaction and product are not the same
  6. basic unit of measurement for mass in the metric system

14 Clues: Allows particles to escape • Result of a chemical reaction • Does not allow particles to escape • an ion composed of two or more atoms • Substance that is part of a chemical reaction • arrow pointing to the product in an chemical equation • basic unit of measurement for mass in the metric system • solid particles that have been separated from a solution • ...

Chapter 10 Science Chemistry 2026-03-23

Chapter 10 Science Chemistry crossword puzzle
Across
  1. the energy given off by radioactive elements such as these
  2. uses letters and numbers to represent the amount of reactants and products involved in a chemical change
  3. are forces that hold atoms together
  4. elements gives off energy in the form of rays or particles
  5. made by people
  6. a substance present before a chemical change
  7. another way to release energy is to merge nuclei with smaller masses to form one nucleus with a greater mass
  8. the chemical building blocks of all living things
Down
  1. the process in which an acid and a base of equal strength and ion concentration are mixed, producing water and a salt
  2. describes the way a substance reacts with other substances
  3. reaction that release energy
  4. is a compound formed by a reaction between an acid and a base
  5. taste bitter and turn red litmus paper blue
  6. materials that change color in the presence of acids or a base
  7. taste sour and turn blue litmus paper pink or red
  8. the amount of time it takes for half of an isotypes in a sample of an element to decay by emitting radiation
  9. produce new substances with chemical properties that are different from those of the original substances
  10. reaction that absorbs energy
  11. is a molded material that can retain its shape
  12. a reaction nwhich the products keep the reaction going
  13. is splitting of a nucleus into two or more pieces when struck with a moving neutron
  14. a substance produced by a chemical change

22 Clues: made by people • reaction that release energy • reaction that absorbs energy • are forces that hold atoms together • a substance produced by a chemical change • taste bitter and turn red litmus paper blue • a substance present before a chemical change • is a molded material that can retain its shape • taste sour and turn blue litmus paper pink or red • ...

Types of Chemical Reaction 2025-05-01

Types of Chemical Reaction crossword puzzle
Across
  1. A reaction involving both reduction and oxidation.
  2. Reaction involving the breaking of bonds using water.
  3. Reaction where atoms or groups are removed from a molecule, often forming a double bond.
  4. Reaction between an acid and a base to form water and a salt.
  5. Reaction that absorbs heat from its surroundings.
  6. A reaction in which a substance reacts rapidly with oxygen, producing heat and light.
  7. The process of losing electrons in a chemical reaction.
  8. A reaction in which a compound breaks down into simpler substances.
Down
  1. Type of displacement reaction where parts of two compounds swap places. (Clue word: think "___ replacement")
  2. Reaction where an insoluble solid forms from two solutions.
  3. Type of displacement reaction where one element replaces another in a compound. (Clue word: think "___ replacement")
  4. Reaction that releases heat to its surroundings.
  5. Reaction where atoms or groups are added to a molecule, often in organic chemistry.
  6. A reaction where two or more substances combine to form a more complex product.
  7. The process of gaining electrons in a chemical reaction.

15 Clues: Reaction that releases heat to its surroundings. • Reaction that absorbs heat from its surroundings. • A reaction involving both reduction and oxidation. • Reaction involving the breaking of bonds using water. • The process of losing electrons in a chemical reaction. • The process of gaining electrons in a chemical reaction. • ...

Unit 6 - Biology 2025-03-25

Unit 6 - Biology crossword puzzle
Across
  1. react during a chemical reaction
  2. Nutrient-absorbing fingers
  3. Molecule building block
  4. Digests food
  5. Genetic characteristic
  6. Digestion: Physical food breakdown
  7. Body-building molecules
  8. Moves food through digestive tract
  9. Body's filter
Down
  1. Sun-to-food process
  2. sugars
  3. made from a chemical reaction
  4. part of digestion
  5. Cell powerhouse
  6. Complex carbohydrates
  7. Large organic molecules
  8. Gland: Spit maker
  9. Gland that makes insulin
  10. Stored fat
  11. Repeating molecule chain
  12. Intestines: Nutrient absorber

21 Clues: sugars • Stored fat • Digests food • Body's filter • Cell powerhouse • part of digestion • Gland: Spit maker • Sun-to-food process • Complex carbohydrates • Genetic characteristic • Molecule building block • Large organic molecules • Body-building molecules • Gland that makes insulin • Repeating molecule chain • Nutrient-absorbing fingers • made from a chemical reaction • ...

Enzyme Crossword 2026-03-04

Enzyme Crossword crossword puzzle
Across
  1. starting molecules in a chemical reaction that must collide in the correct orientation and with enough energy for the reaction to occur
  2. the energy required to start a chemical reaction by breaking existing bonds
  3. molecules that inhibit the activity of enzymes, reducing or stopping the enzyme from functioning
  4. active site of an enzyme has a fixed shape and the substrate fits perfectly into it like a key in a lock
  5. molecules formed after the chemical reaction takes place in an enzyme-catalysed reaction
  6. sum of all the chemical reactions occurring in that cell
  7. flexible active site that changes shape to fit the substrate as they bind together
Down
  1. chemical reaction that has a net release of free energy
  2. organic cofactors such as vitamins or NAD⁺ that assist enzymes in functioning properly
  3. reactions that break down large molecules into smaller ones
  4. reaction that absorbs free energy from the surroundings
  5. reactions that build large molecules from smaller ones

12 Clues: reactions that build large molecules from smaller ones • chemical reaction that has a net release of free energy • reaction that absorbs free energy from the surroundings • sum of all the chemical reactions occurring in that cell • reactions that break down large molecules into smaller ones • ...

Chemistry of Life Crossword 2025-11-27

Chemistry of Life Crossword crossword puzzle
Across
  1. a substance made of atoms of different elements
  2. two or more atoms bonded together
  3. substances formed by a chemical reaction
  4. attraction between different substances
  5. starting materials in a chemical reaction
  6. substances that accept hydrogen ions or release hydroxide ions
  7. energy needed to start a reaction
  8. proteins that speed up chemical reactions
  9. molecules made of amino acids
Down
  1. building blocks of nucleic acids
  2. attraction between molecules of the same substance
  3. sugars and starches used for energy
  4. a pure substance made of one type of atom
  5. the molecule an enzyme acts on
  6. fats and oils that store energy
  7. the smallest unit of matter
  8. molecule carrying genetic information
  9. substances that release hydrogen ions in solution
  10. forces that hold atoms together

19 Clues: the smallest unit of matter • molecules made of amino acids • the molecule an enzyme acts on • fats and oils that store energy • forces that hold atoms together • building blocks of nucleic acids • two or more atoms bonded together • energy needed to start a reaction • sugars and starches used for energy • molecule carrying genetic information • ...

Clumsy Chemistry Crossword 2023-11-17

Clumsy Chemistry Crossword crossword puzzle
Across
  1. A chemical reaction where the reactants break down
  2. The number put before listed chemicals to balance equations
  3. The small numbers that follow listed chemicals that tell us how many there are.
  4. Replacement A chemical reaction that follows the pattern AB+CD= AD+CB
  5. Sharing of electrons between atoms
  6. A chemical reaction that is also called combination and follows the pattern A+B=C
Down
  1. The chemicals that come before the arrow and make the products
  2. The chemicals that reactants make after a reaction takes place
  3. Chemically bound elements or elements chemically mixed
  4. A chemical equation where the products are always water and carbon dioxide
  5. Element An element that cannot stand alone
  6. An atom that that has gained or lost electrons and has a positive or negative charge
  7. Replacement A chemical reaction that follows the pattern A+BC=B+AC

13 Clues: Sharing of electrons between atoms • Element An element that cannot stand alone • A chemical reaction where the reactants break down • Chemically bound elements or elements chemically mixed • The number put before listed chemicals to balance equations • The chemicals that come before the arrow and make the products • ...

Makenzi Macromolecule 2020-11-21

Makenzi Macromolecule crossword puzzle
Across
  1. the act of chewing
  2. chain of nucleotides which stores genetic information in biological systems
  3. consisting of molecules oxygen
  4. part of an enzyme or antibody where a chemical reaction occurs
  5. Sulphur, Phosphorus, Oxygen, Nitrogen, Carbon, and Hydrogen
  6. particle of matter that uniquely defines a chemical element they are composed of electrons protons and neutrons
  7. a large gland in the body that has a rich blood supply, secretes bile, and helps in storing some nutrients and in forming some body wastes
  8. the natural opening through which food passes into the body
  9. substance that speeds up a chemical reaction, but is not consumed by the reaction
  10. small pouch that sits just under the liver, it stores bile
  11. enzyme made in the stomach that breaks down proteins in food during digestion
Down
  1. group of enzymes that catalyze the hydrolytic degradation of proteins or polypeptides to smaller amino acid polymers.
  2. a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
  3. type of protein made by your pancreas, an organ located near your stomach.
  4. group of enzymes that catalyze the hydrolysis of starch and glycogen
  5. a chemical reaction characterized by or causing the liberation or release of heat.
  6. a chemical reaction during which there is absorption of heat.
  7. energy forms or breaks the bonds of reactant molecules.
  8. a molecule upon which an enzyme acts, bonds with the enzyme active site
  9. milky bodily fluid that forms in the small intestine.

20 Clues: the act of chewing • consisting of molecules oxygen • milky bodily fluid that forms in the small intestine. • energy forms or breaks the bonds of reactant molecules. • small pouch that sits just under the liver, it stores bile • Sulphur, Phosphorus, Oxygen, Nitrogen, Carbon, and Hydrogen • the natural opening through which food passes into the body • ...

Madilyn Wagner Unit 2 2025-03-25

Madilyn Wagner Unit 2 crossword puzzle
Across
  1. protein
  2. takes away qualities
  3. made of lipids
  4. movement of water
  5. allows molecules to move
  6. system made of organs
  7. substrates make a chemical reaction
  8. underlying substance
  9. atoms combined
  10. single-cell individual
Down
  1. allows substances to pass
  2. failing to mix
  3. makes contranstaions
  4. cells combined
  5. tendency to mix
  6. formed to make a chemical reaction
  7. forms cells
  8. quantity of energy
  9. doesn't need energy
  10. is a basic unit of matter
  11. organelle combined

21 Clues: protein • forms cells • failing to mix • cells combined • made of lipids • atoms combined • tendency to mix • movement of water • quantity of energy • organelle combined • doesn't need energy • takes away qualities • makes contranstaions • underlying substance • system made of organs • single-cell individual • allows molecules to move • allows substances to pass • is a basic unit of matter • ...