chemical reaction Crossword Puzzles

science project. 2023-05-24

science project. crossword puzzle
Across
  1. animals
  2. bottom of the wave
  3. a chemical reaction that releases energy by light or heat.
  4. a compound or substance that has been purified or prepared, especially artificially.
  5. essential to living organisms
  6. a group of atoms bonded together
  7. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
  8. freezing
  9. a process in living organisms involving the production of energy
  10. hot
  11. top of a wave
  12. Fall
  13. the branch of biology that deals with the relations of organisms
Down
  1. the substance of which a physical object is composed
  2. the bones of a animal
  3. a fart
  4. hard
  5. get from eating food
  6. like water
  7. tool to find how hot something is
  8. a group of atoms bonded together
  9. reactions in which the reactants absorb heat energy from the surroundings to form products
  10. after a test you get a
  11. an organism, especially a soil bacterium, fungus
  12. A basic part of a whole
  13. source of nuclear energy.
  14. science concerned with Earth
  15. is a chemical element with the symbol C and atomic number 6

28 Clues: hot • hard • Fall • a fart • animals • freezing • like water • top of a wave • bottom of the wave • get from eating food • the bones of a animal • after a test you get a • A basic part of a whole • source of nuclear energy. • science concerned with Earth • essential to living organisms • a group of atoms bonded together • a group of atoms bonded together • tool to find how hot something is • ...

Chemistry Revision Crossword 2024-04-21

Chemistry Revision Crossword crossword puzzle
Across
  1. The weight of the nucleus is known as the Atomic _______
  2. When an atom _______ electrons it becomes negatively charged
  3. When two or more different atoms bond
  4. When two or more atoms bond together
  5. The type of bond formed between non-metals
  6. Electrons in the outer-most shell of an atom
  7. The substances that are formed in a chemical reaction
  8. An atom that has gained or lost electrons
  9. Negatively charged particle in an atom
  10. Elements that sit between the metals and non-metals
Down
  1. The substances that combine in a chemical reaction
  2. When an atom _______ electrons it becomes positively charged
  3. The type of bond formed between a metal and non-metal
  4. Positively charged particle in an atom
  5. The atomic particle with a neutral charge
  6. The large group of metals in the middle of the Periodic Table
  7. Pure substances in the Periodic Table
  8. The gasses in Group 8
  9. The smallest particle of matter
  10. Elements are positioned on the Periodic Table in order of Atomic _______
  11. Increases down Groups but decreases across Periods

21 Clues: The gasses in Group 8 • The smallest particle of matter • When two or more atoms bond together • When two or more different atoms bond • Pure substances in the Periodic Table • Positively charged particle in an atom • Negatively charged particle in an atom • The atomic particle with a neutral charge • An atom that has gained or lost electrons • ...

Crossword Puzzle 2025-07-21

Crossword Puzzle crossword puzzle
Across
  1. – Organic compound with enzymes and muscles
  2. – Type of cycle recycling matter
  3. – Reaction that breaks down molecules
  4. – Water vapor becomes liquid
  5. – Acid-base indicator color for acids
  6. – Gas released during respiration
  7. – Movement of rock or soil by water or wind
  8. – All water on Earth
  9. – Scientific investigation process
  10. – Type of fuel made from ancient life
  11. – Substance with pH below 7
  12. – Algae bloom from too much nutrient
  13. – Type of reaction involving bonding
  14. – Capacity to do work
  15. – Ultimate source of energy on Earth
  16. – Stored form of energy
  17. – Element essential to all living things
Down
  1. – Element needed for proteins
  2. – Element in DNA and bones
  3. – Plants use sunlight to make food
  4. – Layer of gases surrounding Earth
  5. – Universal solvent, essential to life
  6. – Outer layer of solid Earth
  7. – Study of organisms and environment
  8. – Sugars and starches (energy source)
  9. – A group of tissues working together
  10. – Energy that travels as waves
  11. – Type of energy from heat
  12. – Starting substance in chemical reactions
  13. – Energy-carrying molecule of cells

30 Clues: – All water on Earth • – Capacity to do work • – Stored form of energy • – Element in DNA and bones • – Type of energy from heat • – Substance with pH below 7 • – Outer layer of solid Earth • – Water vapor becomes liquid • – Element needed for proteins • – Energy that travels as waves • – Type of cycle recycling matter • – Gas released during respiration • ...

Anatomy & Physiology Ch 1 & 2 Crossword 2025-09-26

Anatomy & Physiology Ch 1 & 2 Crossword crossword puzzle
Across
  1. a special protein to speed up chemical reactions
  2. energy that our cells can use
  3. the organic molecule used to make most body structures (skin, muscle, bone, blood, etc.)
  4. special fats that make the cell membrane
  5. reaction that breaks molecules, as in digestion
  6. the body system that transports oxygen around the body
  7. keeping the body systems within a healthy range
  8. all the chemical reactions inside the body
  9. a charged atom, needed for nerves and muscles to work
  10. system that attacks bacteria and viruses that have entered the body (AKA immune system)
  11. system that makes hormones
  12. chemicals that cause humans to grow, develop, sleep, have emotions, digest, etc.
Down
  1. the organic molecule that provides humans with most of the energy we use
  2. system that gets oxygen from the environment and releases CO2
  3. instructions for making proteins, ex: DNA & RNA
  4. fancy name for fats- needed to make cell membranes
  5. the molecule humans exhale
  6. reaction that builds tissues and requires energy
  7. molecule that contains carbon & hydrogen
  8. inorganic molecule needed to make ATP

20 Clues: system that makes hormones • energy that our cells can use • the molecule humans exhale • inorganic molecule needed to make ATP • special fats that make the cell membrane • molecule that contains carbon & hydrogen • instructions for making proteins, ex: DNA & RNA • reaction that breaks molecules, as in digestion • reaction that builds tissues and requires energy • ...

Vocabulary Crossword 2017-11-29

Vocabulary Crossword crossword puzzle
Across
  1. a group is a column of elements in the periodic table of the chemical elements
  2. A chemical formula tells us the number of atoms of each element in a compound.
  3. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
  4. a product is a substance that is formed as the result of a chemical reaction
  5. a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
  6. The electron cloud is ​the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital
  7. The law of conservation of mass states that mass is neither created nor destroyed. In a closed system, mass of reactants is equal to mass of products
  8. an element or substance that is not a metal.
  9. a substance that takes part in and undergoes change during a reaction.
  10. the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
  1. the basic unit of a chemical element.
  2. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  3. A period is the name given to a horizontal row of the periodic table.
  4. an element whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors.
  5. a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed
  6. a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns
  7. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  8. Any rearrangement of electrons in two atoms that generates a force, causing the atoms to be bound to each other, forming a molecule.
  9. the total number of protons and neutrons in a nucleus
  10. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

20 Clues: the basic unit of a chemical element. • an element or substance that is not a metal. • the total number of protons and neutrons in a nucleus • A period is the name given to a horizontal row of the periodic table. • a substance that takes part in and undergoes change during a reaction. • a product is a substance that is formed as the result of a chemical reaction • ...

Cross word puzzle 2017-11-14

Cross word puzzle crossword puzzle
Across
  1. scale / Acidic and basic are two extremes that describe a chemical property chemicals.
  2. ion / The nucleus of a hydrogen atom separated from its accompanying electron.
  3. /The unit is defined as the amount or sample of a chemical substance that contains as many elementary entities
  4. / The number of molecules or ions in a given volume of a substance.
  5. theory / Theory of Acids and Bases
  6. number /Equal to 6.022140857 × 10 23
  7. / The process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions.
  8. point / An _______ is when the moles of a standard solution.
  9. / The slow addition of one solution of a known concentration
  10. ion / The ion H3O+, consisting of a detonated water molecule and present in all aqueous acids.
  11. /Food poisoning caused by a bacterium (botulinum) growing on improperly sterilized canned meats and other preserved foods.
  12. / A chemical substance that neutralizes alkali's, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  13. / Known as the "identity element".
  14. dye / A colored substance that has an affinity to the substrate to which it is being applied.
Down
  1. ion / A diatomic anion with chemical formula OH
  2. / When the color changes the _____ has been reached
  3. / A chemical reaction in which an acid and a base react quantitatively with each other.
  4. donors / Donating and accepting protons, and is not limited to aqueous solution.
  5. / A substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators
  6. / Concentration of a chemical species, such as an acid or an alkali in a solution.
  7. lleaving agents /Baking soda and baking powder. Baking soda, or bicarbonate of soda, decomposes to form carbon dioxide that produces leavening.
  8. / A concentration unit, defined to be the number of moles of solute divided by the number of liters of solution
  9. / A solution that can resist pH change upon the addition of an acidic or basic components
  10. / Any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation

24 Clues: theory / Theory of Acids and Bases • number /Equal to 6.022140857 × 10 23 • / Known as the "identity element". • ion / A diatomic anion with chemical formula OH • / When the color changes the _____ has been reached • / The slow addition of one solution of a known concentration • point / An _______ is when the moles of a standard solution. • ...

Chemical Reactions 2024-01-22

Chemical Reactions crossword puzzle
Across
  1. An ending substance that is made during a chemical reaction.
  2. The relative size of things.
  3. a pure substance that cannot be broken down by any physical or chemical means into simpler substances
  4. Something that is made of all the same atoms or groups of atoms.
Down
  1. Something that can be observed about a substance, such as color, smell, or boiling point.
  2. To change the order or position of something.
  3. The basic unit of a chemical element.
  4. A starting substance that is part of a chemical reaction.

8 Clues: The relative size of things. • The basic unit of a chemical element. • To change the order or position of something. • A starting substance that is part of a chemical reaction. • An ending substance that is made during a chemical reaction. • Something that is made of all the same atoms or groups of atoms. • ...

HAZWOPER Quiz #2 2021-06-23

HAZWOPER Quiz #2 crossword puzzle
Across
  1. performs entry rescue
  2. zone that contains the highest concentration of contaminant
  3. molecular movement of a chemical through a chemical suit
  4. performs self-rescue
  5. a chemical that may cause an allergic reaction
  6. color of NFPA 704 label associated with Health
Down
  1. type of control associated with using a procedure
  2. may ignite spontaneously below 130 F
  3. maintains contact with personnel inside a Confined Space
  4. 16 section document required by HAZCOM for each chemical
  5. to be immersed by material in a confined space
  6. amount of rainfall a secondary containment must be able to contain (inches)

12 Clues: performs self-rescue • performs entry rescue • may ignite spontaneously below 130 F • to be immersed by material in a confined space • a chemical that may cause an allergic reaction • color of NFPA 704 label associated with Health • type of control associated with using a procedure • maintains contact with personnel inside a Confined Space • ...

phys sci 4 2025-11-03

phys sci 4 crossword puzzle
Across
  1. a atom or group of atoms with a positive or negative charge
  2. is larger than the water that makes it making it float
  3. forms hydrogen bonds when frozen
  4. loose bond between molecules that contain hydrogen ions & polar molecule
  5. bond a covalent bond that one side of the molecule is slightly positive and the other slightly negative
  6. The force that allows 2 or more atoms to stick together in a compound.
  7. The substances that go into a chemical reaction
  8. is more stable than its parts
Down
  1. chemical bond between 2 element s an electron away from the other.
  2. Notation that records what elements and How many atoms of the elements are in a compound
  3. is a force between molecules. molecules of the different Substances palling them to Together
  4. A force between molecules of the same substance that pulls them together.
  5. a bond between 2 elements sharing electrons
  6. The substances that are created in a chemical reaction

14 Clues: is more stable than its parts • forms hydrogen bonds when frozen • a bond between 2 elements sharing electrons • The substances that go into a chemical reaction • is larger than the water that makes it making it float • The substances that are created in a chemical reaction • a atom or group of atoms with a positive or negative charge • ...

Unit 7.5.2 Vocab 2024-03-26

Unit 7.5.2 Vocab crossword puzzle
Across
  1. All the things in a compound.
  2. The things at the end of a chemical reaction.
  3. The horizontal sorting of the Periodic Table.
  4. Two or more elements chemically combined.
  5. The number of molecules in an element or compound.
Down
  1. A law that states that matter cannot be created or destroyed.
  2. The starting element or compounds before a chemical reaction.
  3. The vertical sorting of the Periodic Table.
  4. An element that is used in a rocket's engines to cool them down before liftoff.
  5. The number of atoms the element behind it.
  6. Something that cannot be broken down chemically into simpler substances.
  7. The smallest unit of an element.

12 Clues: All the things in a compound. • The smallest unit of an element. • Two or more elements chemically combined. • The number of atoms the element behind it. • The vertical sorting of the Periodic Table. • The things at the end of a chemical reaction. • The horizontal sorting of the Periodic Table. • The number of molecules in an element or compound. • ...

Earths atmosphere 2023-05-24

Earths atmosphere crossword puzzle
Across
  1. The trapping of heat energy in the Earths atmosphere. ............. effect
  2. Weather patterns could become ........ becuase of climate change
  3. Chemical reaction carried out by plants that removes carbon dioxide from the atmopshere
  4. Increased heat energy in the Earths atmopshere casues ........... warming
  5. Chemical reaction that releases carbon dioxide into the atmopshere
  6. Sea levels rising could cause caostal ...........
Down
  1. Organisms that break down dead organic matter
  2. .............. of fossil fuels releases carbon doixide into the atmnopshere
  3. Levels of this water body will rise as a result of ice caps melting
  4. A way to reduce waste going to landfill
  5. A greenhouse gas releases by cattle
  6. Rain caused by sulphur dioxide in the atmosphere

12 Clues: A greenhouse gas releases by cattle • A way to reduce waste going to landfill • Organisms that break down dead organic matter • Rain caused by sulphur dioxide in the atmosphere • Sea levels rising could cause caostal ........... • Weather patterns could become ........ becuase of climate change • Chemical reaction that releases carbon dioxide into the atmopshere • ...

Y11 Chem Summary 2025-03-05

Y11 Chem Summary crossword puzzle
Across
  1. the name of the outermost shell
  2. the type of ion that characterises bases
  3. the name of a negative ion
  4. a substance made up of two or more different types of atom chemically bonded
  5. the starting materials in a chemical reaction
  6. formed when an atom gains or loses electrons
  7. the elements or compounds produced by a chemical reaction
  8. what's the name of the compound CO2
Down
  1. the type of ion that characterises acids
  2. when the H+ ions in an acid and OH- ions in a base balance each other out to form H2O
  3. the negatively charged particles in an atom
  4. the positively charged particles in an atom

12 Clues: the name of a negative ion • the name of the outermost shell • what's the name of the compound CO2 • the type of ion that characterises acids • the type of ion that characterises bases • the negatively charged particles in an atom • the positively charged particles in an atom • formed when an atom gains or loses electrons • the starting materials in a chemical reaction • ...

Gas Tests 2025-07-24

Gas Tests crossword puzzle
Across
  1. The test for hydrogen gas using a lit splint.
  2. A chemical change observed during a gas test.
  3. What a glowing splint does in oxygen.
  4. Used to test for hydrogen; produces a pop sound.
  5. Reaction that occurs when hydrogen is ignited.
  6. Gas that turns limewater milky.
  7. Gas that makes a squeaky pop with a lit splint.
Down
  1. Gas that relights a glowing splint.
  2. Used to test for oxygen; relights in presence of the gas.
  3. A method for identifying common gases using physical or chemical changes.
  4. A solution used to test for carbon dioxide; turns cloudy if CO₂ is present.
  5. Description of limewater after carbon dioxide is added.

12 Clues: Gas that turns limewater milky. • Gas that relights a glowing splint. • What a glowing splint does in oxygen. • The test for hydrogen gas using a lit splint. • A chemical change observed during a gas test. • Reaction that occurs when hydrogen is ignited. • Gas that makes a squeaky pop with a lit splint. • Used to test for hydrogen; produces a pop sound. • ...

Photosynthesis Review 2023-05-11

Photosynthesis Review crossword puzzle
Across
  1. (2 words) The gas that plants need to do photosynthesis
  2. The energy form that plants need to do photosynthesis
  3. A living thing that makes its own energy
  4. Do all plants do photosynthesis?
  5. (Hard) Something produced during a chemical reaction that is not needed for that reaction
  6. When a living thing makes energy from heat and chemicals
Down
  1. The part of a plant cell that makes photosynthesis happen
  2. The chemical that gives plants their green color
  3. The sugar plants make during photosynthesis
  4. The liquid plants need to do photosynthesis
  5. The gas that plants make when they do photosynthesis
  6. When a plant turns light energy into sugar
  7. The chemical that allows photosynthesis to happen
  8. The gas that plants breathe

14 Clues: The gas that plants breathe • Do all plants do photosynthesis? • A living thing that makes its own energy • When a plant turns light energy into sugar • The sugar plants make during photosynthesis • The liquid plants need to do photosynthesis • The chemical that gives plants their green color • The chemical that allows photosynthesis to happen • ...

Matter- Properties and Changes 2022-01-20

Matter- Properties and Changes crossword puzzle
Across
  1. Element whose properties are intended between metals and solid nonmetals or semiconductors
  2. property relating to is chemical relativity
  3. Rows on the periodic table
  4. Product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and the universal gas constant
  5. iodized gas
  6. Liquid solid or gas into a crystal
  7. flows freely but has constant volume
  8. Composition is uniform throughout the mixture
  9. Chemical substance with many identical molecules with atoms from more than one element together with chemical bonds.
  10. Relation with the compresion and opposition of a gas at constant temperature
  11. Seperation of a mixture into its compounds
  12. Liquid to a vapor back to a liquid
  13. Statement that the volume occupied by a fixed gas amount is directly proportional to its absolute temperature, if the pressure remains constant
  14. Pure substance w only atom with the same # of protons in their nuclei
  15. Mass of the element or solute minus the mass of the compound or solute
  16. substance/takes part in and undergoes a change in a reaction
  17. Changing the physical properties of a substance
  18. Does not involve chemical change properties of matter
  19. species formed from a chemical reaction
  20. Gas pressure x volume x temperature = constant
  21. Two elements form a compound the ratios of the masses of the two elements will be ratios or smaller integers
  22. Mass is not created or destroyed in chemical reactions
  23. has mass, occupies space
  24. Elements with similar properties group together or columns
Down
  1. Chemical Element gains electrons when reacting w metal, not a metal, Forms an acid if combined w oxygen or hydrogen
  2. Chemical compound has its componets in a fixed ratio and does not depend on sourse or preperation.
  3. solid into a gas
  4. Made by mixing other substances together
  5. Own chemical properties with definite and constant composition
  6. Solid particles in a liquid or gaseous fluid are removed
  7. quantity; proportional to the size of substance
  8. firm and stable does not flow
  9. suspended or diffused in the air
  10. most basic unit of a chemical element
  11. expands to fill container no volume
  12. Solid liquid gas plasme
  13. Chemical elements, under normal conditions are odorless, colorless, anatomic gases with low chemical relativity
  14. Rearrangement of atoms causes in a chemical composition change into a new element
  15. Law pressures, density og an ideal gaas at constant pressure varies inversely with the absolute temperature of the gas.
  16. Under the same temperature and pressure, equal columes of a different gas contain an equal number of molecules
  17. amount of matter
  18. equal to the product of the absolute temp of the gas
  19. Table of chemical elements arranged in order of atomic numbers, rows, so that chemicals w similar chemical structures appear next to each other
  20. Mixture with two or more different substance
  21. Quantity does not depend on amount of substance
  22. Element that forms positive ions and has metallic bonds
  23. Substance from one form to another

47 Clues: iodized gas • solid into a gas • amount of matter • Solid liquid gas plasme • has mass, occupies space • Rows on the periodic table • firm and stable does not flow • suspended or diffused in the air • Liquid solid or gas into a crystal • Liquid to a vapor back to a liquid • Substance from one form to another • expands to fill container no volume • flows freely but has constant volume • ...

Everyday Chemical Reactions Revision 2022-01-23

Everyday Chemical Reactions Revision crossword puzzle
Across
  1. a substance with a PH between 8 and 14
  2. speeds up a chemical reaction but remains unchanged
  3. the periodic table is made up of 118 of these
  4. substances which are chemically joined
  5. an element from the noble gases
  6. a substance with a PH of 7
  7. a new _________ is always formed in a reaction.
  8. an element from the transition metals
Down
  1. substances which can be easily separated
  2. a substance with a PH between 0 and 6
  3. dioxide an example of a compound we breathe out
  4. the smallest particle that exists
  5. can be increased to speed up a chem reaction

13 Clues: a substance with a PH of 7 • an element from the noble gases • the smallest particle that exists • a substance with a PH between 0 and 6 • an element from the transition metals • a substance with a PH between 8 and 14 • substances which are chemically joined • substances which can be easily separated • can be increased to speed up a chem reaction • ...

Redox reaction - sami 2023-11-15

Redox reaction - sami crossword puzzle
Across
  1. a reaction in which a more reactive element displaces a less reactive element from a solution of its salt.
  2. The gain of electrons.
Down
  1. A conductor through which an electric current enters or leaves.
  2. The loss of electrons.
  3. The electrode where reduction occurs.
  4. agent The species that accepts electrons and gets reduced in a redox reaction.
  5. reaction a reaction involving both reduction and oxidation.
  6. a term used to describe oxidised organic material (food) - usually involving a bad smell.
  7. a chemical reaction in which a substance reacts with oxygen.
  8. The electrode where oxidation occurs.

10 Clues: The loss of electrons. • The gain of electrons. • The electrode where reduction occurs. • The electrode where oxidation occurs. • reaction a reaction involving both reduction and oxidation. • a chemical reaction in which a substance reacts with oxygen. • A conductor through which an electric current enters or leaves. • ...

Scientific Processes and Phenomena 2025-04-12

Scientific Processes and Phenomena crossword puzzle
Across
  1. - The process by which green plants make their own food using sunlight.
  2. - The process where a liquid changes into a gas.
  3. - Rain, snow, sleet, or hail falling from the sky.
  4. - The process where sediments, soil, and rocks are added to a landform.
Down
  1. - A chemical reaction that produces heat and light, often called burning.
  2. - The chemical breakdown of substances by bacteria, yeasts, or other microorganisms.
  3. - The process where a gas changes into a liquid.
  4. - The gradual wearing away of Earth's surface by wind, water, or ice.
  5. - The process where a solid changes directly into a gas without becoming a liquid first.
  6. - A chemical reaction where a substance combines with oxygen.

10 Clues: - The process where a gas changes into a liquid. • - The process where a liquid changes into a gas. • - Rain, snow, sleet, or hail falling from the sky. • - A chemical reaction where a substance combines with oxygen. • - The gradual wearing away of Earth's surface by wind, water, or ice. • - The process by which green plants make their own food using sunlight. • ...

Vocab U3S2 2021-11-16

Vocab U3S2 crossword puzzle
Across
  1. The relationship between the quantities of reactants and products before, during, and following chemical reactants
  2. 6.0221409e+23
  3. The total amount you can produce
Down
  1. The reactant that's totally consumed
  2. The amount of product experimentally obtained by a chemical reaction
  3. A reactant present in an amount in excess of that required to combine with all of the limiting reactant
  4. A conversation factor between any two chemical species in a chemical reaction
  5. The ratio of actual yield to theoretical yield, multiplied by 100%

8 Clues: 6.0221409e+23 • The total amount you can produce • The reactant that's totally consumed • The ratio of actual yield to theoretical yield, multiplied by 100% • The amount of product experimentally obtained by a chemical reaction • A conversation factor between any two chemical species in a chemical reaction • ...

Luis B. Oxidation 2022-01-18

Luis B. Oxidation crossword puzzle
Across
  1. a measure of the warmth or coldness of an object or substance.
  2. action that is exercised reciprocally between two or more objects, people, agents
  3. is a gas that your body needs to function properly.
  4. is a chemical element and its compounds in their natural state or obtained by some manufacturing process.
  5. is the process by which elements in a system undergo.
  6. is the action and effect of transforming.
Down
  1. is a symbolic description of a chemical reaction.
  2. to suffer a transformation set of successive phases of a complex phenomenon or fact.
  3. it is an integral part of any chemical reaction.
  4. everything that is produced or what results from the production process.
  5. change that makes something different without changing the composition of the material.

11 Clues: is the action and effect of transforming. • it is an integral part of any chemical reaction. • is a symbolic description of a chemical reaction. • is a gas that your body needs to function properly. • is the process by which elements in a system undergo. • a measure of the warmth or coldness of an object or substance. • ...

RATE OF REACTION 2024-01-14

RATE OF REACTION crossword puzzle
Across
  1. The amount of particles in a given volume.
  2. When we increase the _____, the particles move with higher energy.
  3. At the ____ of a reaction, collisions happen the most frequently.
  4. For a chemical reaction to take place, the particles of the reactants have to ____ with one another with enough energy.
Down
  1. As the reaction takes place, the rate of reaction ____.
  2. When we ____ the surface area, the rate of reaction increases.
  3. The reaction is slower means the line is less ____.
  4. We can use this property of the graph to tell the rate of reaction.
  5. Rate of reaction is how ____ the reaction is.

9 Clues: The amount of particles in a given volume. • Rate of reaction is how ____ the reaction is. • The reaction is slower means the line is less ____. • As the reaction takes place, the rate of reaction ____. • When we ____ the surface area, the rate of reaction increases. • At the ____ of a reaction, collisions happen the most frequently. • ...

Science Vocabulary I 2014-04-24

Science Vocabulary I crossword puzzle
Across
  1. the act of pressing together
  2. the rubbing of one object or surface against another
  3. a force that tends to oppose or slow down motion
  4. something that has a pH above 7.0
  5. the natural force of attraction exerted by the earth
  6. a push or a pull
Down
  1. the act of stretching
  2. increasing speed
  3. the symbol relating to hydrogen ion (H+) concentration. Below 7.0 is acidic and above 7.0 is alkaline
  4. a statement showing the equality of two mathematical expressions, or a representation of a chemical reaction
  5. a substance that causes or accelerates a chemical reaction without itself being affected
  6. something that has a pH below 7.0

12 Clues: increasing speed • a push or a pull • the act of stretching • the act of pressing together • something that has a pH above 7.0 • something that has a pH below 7.0 • a force that tends to oppose or slow down motion • the rubbing of one object or surface against another • the natural force of attraction exerted by the earth • ...

Thermochemistry 2023-04-16

Thermochemistry crossword puzzle
Across
  1. the measure of the average motion of the particles
  2. the total amount of heat in a system
  3. energy cannot be created or destroyed
  4. energy of motion
  5. the ability to do work or transfer heat
  6. energy is released in the reaction
  7. stored energy
Down
  1. the SI unit for energy
  2. type of graph that describes changes in the state of matter as heat is added
  3. energy is absorbed in the reaction
  4. American unit for energy
  5. the amount of energy required to raise a substance 1 degree Celcius
  6. energy required by reactants to undergo a chemical reaction

13 Clues: stored energy • energy of motion • the SI unit for energy • American unit for energy • energy is absorbed in the reaction • energy is released in the reaction • the total amount of heat in a system • energy cannot be created or destroyed • the ability to do work or transfer heat • the measure of the average motion of the particles • ...

chez carbon vocabulary 2023-11-17

chez carbon vocabulary crossword puzzle
Across
  1. This makes the opposite of phtosynthesis
  2. a reaction that makes a new substance
  3. changing something or someone in to something else
  4. what turns in to a product after aa reaction
  5. The thing in photosynthesis that makes glucose
  6. The air plants consume for phtosynthesis
  7. the air used for cellular respiration
Down
  1. The process for making glucose
  2. The reaction something has to a bright thing
  3. The cycle where oxygen goes to _____, and back over and over again.
  4. What the reactant turns in to
  5. What does most of the chemical reactions in cellular respiration
  6. What cellular respiration uses to make ATP

13 Clues: What the reactant turns in to • The process for making glucose • a reaction that makes a new substance • the air used for cellular respiration • This makes the opposite of phtosynthesis • The air plants consume for phtosynthesis • What cellular respiration uses to make ATP • The reaction something has to a bright thing • what turns in to a product after aa reaction • ...

Electrochemistry 2023-05-04

Electrochemistry crossword puzzle
Across
  1. A spontaneous redox reaction that produces an electric current flow.
  2. Ionic solution that can be decomposed by electricity.
  3. Gaining Electrons
  4. Oxidation occurs here
  5. Process of using electric current to do work on a chemical cell against its electric potential.
  6. Reduction occurs here
  7. An equation shows just the oxidation or just the reduction that takes place in a redox reaction.
  8. Losing Electrons
Down
  1. Unit of electrical potential
  2. Force moves one electron from one electrode to the other.
  3. Connects the two half cells allowing a flow of ions that neutralizes the charge build-up.
  4. Galvanic cell in which the electrical work is used as a source of electrical power.
  5. Study of chemical reactions that cause electrons to move, resulting in the transfer of electrical charge.
  6. The first scientist to work on electrochemistry.
  7. A constant equal to 96485

15 Clues: Losing Electrons • Gaining Electrons • Oxidation occurs here • Reduction occurs here • A constant equal to 96485 • Unit of electrical potential • The first scientist to work on electrochemistry. • Ionic solution that can be decomposed by electricity. • Force moves one electron from one electrode to the other. • ...

ENZYMES 2013-05-02

ENZYMES crossword puzzle
Across
  1. Made up of many amino acid molecules
  2. Produces bile
  3. A chemical that speeds up a reaction but is not used up in the reaction
  4. Used to convert starch into sugar syrup
  5. Breaks down proteins into amino acids
  6. Made up of many sugar molecules
  7. Made up of many fatty acid and glycerol molecules
  8. Breaks down fats into fatty acids and glycerol
Down
  1. Organ that produces enzymes but is not a site of digestion
  2. The chemical breakdown of large molecules into small molecules
  3. Where bile is stored
  4. Used to convert glucose syrup into fructose syrup, which is much sweeter and therefore can be used in smaller quantities in slimming foods
  5. When an enzymes active site shape has been changed by a high temperatures or an unsuitable a pH
  6. Emulsifies fats and neutralises stomach acid
  7. Breaks down starch into sugar

15 Clues: Produces bile • Where bile is stored • Breaks down starch into sugar • Made up of many sugar molecules • Made up of many amino acid molecules • Breaks down proteins into amino acids • Used to convert starch into sugar syrup • Emulsifies fats and neutralises stomach acid • Breaks down fats into fatty acids and glycerol • Made up of many fatty acid and glycerol molecules • ...

Vocab 6B 2017-04-06

Vocab 6B crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction. 10. Products- the result of a chemical reaction.
  2. The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
  3. A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
  4. Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
  5. An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms
Down
  1. A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
  2. Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
  3. The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
  4. The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  5. A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

10 Clues: A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms • A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas. • ...

Josie Blanchard Chapter 13 2020-02-23

Josie Blanchard Chapter 13 crossword puzzle
Across
  1. no atoms are gained or lost during any reaction
  2. also known as activation energy
  3. a net release of energy
  4. concentrated solutions react -----
  5. a substance that lowers the activation energy of a chemical reaction
Down
  1. a net absorption of energy
  2. how quickly the concentration of reactants decreases and how quickly the concentration of products increases
  3. when reaction and it's reverse act at the same rate
  4. the rate of a reaction is ------- on the collisions among molecules
  5. reaction rates are affected by catalysts, temperature, pressure, surface area, and what?

10 Clues: a net release of energy • a net absorption of energy • also known as activation energy • concentrated solutions react ----- • no atoms are gained or lost during any reaction • when reaction and it's reverse act at the same rate • the rate of a reaction is ------- on the collisions among molecules • a substance that lowers the activation energy of a chemical reaction • ...

Chapter 13 Crossword-Wheeler 2020-10-05

Chapter 13 Crossword-Wheeler crossword puzzle
Across
  1. is the energy required to pull two atoms apart
  2. During a _______ ________, one or more new compounds are formed due to the rearranging of atoms
  3. _____ _____ and bases ionize completely in water
  4. In an _________ reaction, there is a net release of energy.
  5. In an _________ reaction, there is a net absorption of energy.
Down
  1. when a reaction and its reserve act at the same rate
  2. no atoms are gained or lost during a reaction
  3. bond energy is also known as ________ ______?
  4. ____ _____ and bases do not ionize completely in water
  5. how many clues indicate a chemical reaction?

10 Clues: how many clues indicate a chemical reaction? • no atoms are gained or lost during a reaction • bond energy is also known as ________ ______? • is the energy required to pull two atoms apart • _____ _____ and bases ionize completely in water • when a reaction and its reserve act at the same rate • ____ _____ and bases do not ionize completely in water • ...

Exam 2 - Chapters 4-6 2024-06-23

Exam 2 - Chapters 4-6 crossword puzzle
Across
  1. energy of motion
  2. compound or element with two or more atoms joined with covalent bonds
  3. quantity that contains 6.022 x 1023 items
  4. reaction where energy is absorbed (put in)
  5. substance that increases the rate of reaction but is not used up in the reaction
Down
  1. the reactant that is completely used up in a reaction
  2. a substance formed in a chemical reaction
  3. a bond that results from the sharing of electrons
  4. the mass of one mole of any substance
  5. a bond in which the electrons are unequally shared

10 Clues: energy of motion • the mass of one mole of any substance • a substance formed in a chemical reaction • quantity that contains 6.022 x 1023 items • reaction where energy is absorbed (put in) • a bond that results from the sharing of electrons • a bond in which the electrons are unequally shared • the reactant that is completely used up in a reaction • ...

Mairelin: crossword labs 2020-01-17

Mairelin: crossword labs crossword puzzle
Across
  1. Complex
  2. Replacement reaction
  3. Chemical Reaction
Down
  1. Energy
  2. Electron
  3. Chatelier's principle
  4. Are

7 Clues: Are • Energy • Complex • Electron • Chemical Reaction • Replacement reaction • Chatelier's principle

Super Omega Chemistry Crossword 2024-05-16

Super Omega Chemistry Crossword crossword puzzle
Across
  1. Chemical equation that has oxygen as a reactant
  2. AX + BY -> AY + BX
  3. the principle that the entropy of a closed system will always increase over time.
  4. The amount a substance will dissolve into another
  5. combination of two or more substances
  6. Solution that contains less than the maximum amount of solute
  7. Substance that is disperse/dissolved in another substance
  8. Same consistency throughout
  9. the amount of energy required to break one mole of a particular type of bond in a molecule.
  10. Functions that increases at a a decreasing rate
  11. the time require for ½ of a radioactive isotope to decay
  12. Measures the acidity of basicity of a substance
  13. the SI unit of mass
  14. the amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius
  15. positively charged particle
  16. Study of matter and the changes it undergoes
  17. a substance that falls out of solution usually because of a chemical change
  18. A dye whose color is affected by pH
  19. an atom or compound with an electrical charge
  20. state of matter that has a definite shape and volume
  21. the energy that an object possesses due to its position or configuration.
  22. elements with the same number of protons but different number of neutrons
  23. Substance is unable to be dissolved in the solvent.
  24. describes the electrons probable location
  25. the amount of solute in a given amount of solvent
  26. Solution that contains the maximum amount of solute
  27. the standard unit
  28. Chemical equation that is like a divorce
  29. the SI unit for heat and energy
  30. small negatively charged particle
  31. substance that increases rate of a chemical reaction
  32. a physical property that dos not depend of the amount
  33. negatively charged ion
  34. Radiation particle made of pure energy
  35. A diamond shaped diagram to show the danger level of a substance
  36. SI unit of pressure
  37. A solution that is more concentrated than Saturated
  38. the transfer of energy that results from a force acting on a system over a distance.
  39. anything that has mass and takes up space
  40. substances formed during the reaction
  41. force that holds two atoms together
  42. Substance with an even electrical charge, for example oil
  43. Substance with an uneven electrical charge, for example water and alcohol
  44. a solid whose atoms are arranged in an orderly manner
  45. a thermodynamic quantity that represents the total amount of heat content of a system.
  46. measure of the amount of matter
  47. physical property of a solution that depend on the concentration
  48. a physical property that depends on the amount
  49. the study of the relationships between heat, work, and energy in a system.
  50. Combining two light elements
  51. System + Surroundings
  52. Universal Polar Solvent
  53. state of matter that flows to conform the shape of its container
  54. a chemically combined combination of two or more different elements
  55. the principle that it is impossible to reach absolute zero temperature through a finite number of processes.
  56. the principle that energy cannot be created or destroyed, only transferred or converted from one form to another.
  57. two or more atoms covalently bonded to each other
  58. electrons in the atom’s outermost shell
  59. found of the periodic table
  60. a property that can be observed without changing its composition
  61. smallest particle of an element that retains all chemical properties
  62. statement that identifies the reactants and production of a chemical reaction
  63. Everything other than the system
  64. SI unit of volume
  65. Safety device use to put out fires on people
  66. the energy available to do work
  67. A + BX -> AX + B
Down
  1. arrangements of electrons in an atom
  2. the specific part of the universe that contains the reaction or process you wish to study
  3. a chemical reaction that absorbs heat
  4. Diagram that shows how electrons are arranged in molecules
  5. a measure of the average kinetic energy of the particles in a substance.
  6. Substance that can disperse/dissolve other substances
  7. Chemical bond between metal and another metal i.e. Bronze
  8. SI unit for amount of a substance
  9. a property the describes the ability of a substance to combine with or change
  10. a thermodynamic property that represents the degree of disorder or randomness in a system.
  11. force over area
  12. refers to how close a measured value is to an accepted value
  13. Group of elements that are explosively reactive i.e. Sodium
  14. highly reactive group of 7A elements
  15. the antiparticle of an electron
  16. Chemical equation that combines two or more substances to make a single product
  17. Shaking, Stirring, or otherwise mixing
  18. the SI unit of temperature
  19. state of matter that has constant volume but takes the shape of its container
  20. A solution that does not contain electrolytes
  21. the energy of motion.
  22. compounds that have the same formula but different structures
  23. solution that resists changes in pH
  24. number written in front of a chemical that indicates the smallest ratio needed for the chemical reaction
  25. how desperate an element is for electrons
  26. Solution with water as the solvent
  27. particle made of pure energy with no mass
  28. indicate the precision of measurement
  29. a chemical reaction that releases heat
  30. mixture of two metals
  31. a change that will happen without outside intervention
  32. NaOH, OCL
  33. the reference state used in thermodynamic calculations, typically defined as 1 atm pressure and 298 K temperature.
  34. the typical charge of an element
  35. A solute that can conduct electricity, think Gatorade
  36. number of protons in an element
  37. HCl, H2SO4, H3PO4
  38. An electron emitted from a radioactive element
  39. refers to how close a series of measurements are to one another
  40. Measurement of Alcohol Concentration
  41. particle with no charge
  42. Group of elements that are extremely unreactive
  43. Sulfate, Nitrate, Acetate are all examples of
  44. the transfer of energy that results from a temperature difference between two systems.
  45. positively charged ion
  46. Process where the solvent pull the solute apart
  47. average mass of the isotopes of an element
  48. Chemical bond that share electrons i.e. Cl2
  49. Rule that states that atoms lose, gain, or share electrons in order to get to 8 electrons
  50. ionic compound made of an anion and a cation
  51. Homogeneous Mixture
  52. Splitting a heavy element
  53. a mixture that is not blended smoothly
  54. Reducing Concentration
  55. Substance is able to be dissolve in the solvent
  56. the mass in grams of 1 mole of substance
  57. starting substances of a chemical reaction
  58. compound where particles are arranged in an irregular pattern
  59. Emitting Ionizing Radiation
  60. the amount of heat required to raise the temperature of 1 gram of the substance by 1 degree
  61. Moles/Liter
  62. A solute breaking down into ions in solution
  63. the capacity to do work or produce heat
  64. Chemical bond between a metal and a nonmetal i.e. NaCl

131 Clues: NaOH, OCL • Moles/Liter • force over area • A + BX -> AX + B • the standard unit • HCl, H2SO4, H3PO4 • SI unit of volume • AX + BY -> AY + BX • the SI unit of mass • SI unit of pressure • Homogeneous Mixture • the energy of motion. • mixture of two metals • System + Surroundings • negatively charged ion • positively charged ion • Reducing Concentration • particle with no charge • ...

Unit 3 Crossword 2025-10-23

Unit 3 Crossword crossword puzzle
Across
  1. respiration that is done without the use of oxygen
  2. process by which plants use sunlight carbondioxide and water into sugar and oxygen
  3. special materials that speed up reactions (enzymes are an example of one)
  4. the type of fermentation that humans do in their muscles when they do not have enough oxygen
  5. the type of energy that is needed to start a reaction
  6. protein catalyst that speeds up reactions in living organisms
  7. make their own energy from nonliving sources
  8. The substances that we end a reaction with (right side of a reaction)
Down
  1. process that cells use to make ATP using glucose and oxygen
  2. location on the enzyme where the substrate are affected
  3. The substances that we start a reaction with (left side of the reaction)
  4. process that converts chemical energy into glucose
  5. when an enzyme becomes deformed and loses its shape
  6. the type of fermentation that produces ethanol as a product
  7. get energy by consuming other organisms

15 Clues: get energy by consuming other organisms • make their own energy from nonliving sources • respiration that is done without the use of oxygen • process that converts chemical energy into glucose • when an enzyme becomes deformed and loses its shape • the type of energy that is needed to start a reaction • location on the enzyme where the substrate are affected • ...

chemical 2021-11-02

chemical crossword puzzle
Across
  1. air ,helium.oxygen
  2. a substance that is the same throughout
  3. gasoline , water, alcohol
  4. ice, cube, diamond
  5. named after the parent atom metals usually give away electrons making them cations
  6. the total number of both protons and neutrons
  7. substance that cannot be decomposed into simple substance by chemical or physical means
  8. anything that takes up space and has mass
  9. a combination of the element and compounds that are combined physical but not chemically
  10. named with the suffixed Non-metals usually receive elements making them anions
  11. characteristic becoming a different substance
  12. element can have varying amounts of neutrons this can occur randomly or by bombarding element with neutrons
  13. the number of protons in the nucleus
Down
  1. variable that is purposely changed to test a hypothesis
  2. proper
  3. 100%molecule
  4. a substance with a constant composition that can be broken down into elements by chemicals processes
  5. variable that many changes in response to the independent variable
  6. a group of two or more atoms held together by chemical bonds
  7. a measurement of how much something weights
  8. an expected outcome we will see if hypothesis is supported or not supported
  9. solid,ductile ,malleable
  10. it is calculated by dividing the mass by the volume d=m/v
  11. consist of visibly distinguishable part
  12. made of charged particles
  13. a measurement of how much space something take up
  14. defined as the ability of a substance to change to a different substance
  15. formed when atoms gain or lose electrons

28 Clues: proper • 100%molecule • air ,helium.oxygen • ice, cube, diamond • solid,ductile ,malleable • gasoline , water, alcohol • made of charged particles • the number of protons in the nucleus • a substance that is the same throughout • consist of visibly distinguishable part • formed when atoms gain or lose electrons • anything that takes up space and has mass • ...

chemical 2016-03-03

chemical crossword puzzle
Across
  1. a method of releasing oil or gas from rock by forcing liquid at high pressure into the rock
  2. the process of making an identical copy of an organism or cell
  3. additive manufacturing process of making three dimensional solid objects from a digital file: 3D_________
  4. a lightweight, durable, and renewable material which comprises nanosized cellulose fibrils and is derived from wood fibres with exceptional strength like Kevlar
  5. a lift concept proposed to transport supplies into space: space ____________________
  6. any of various natural or synthetic substances, such as salt, monosodium glutamate, or citric acid, used in the commercial processing of food as preservatives, antioxidants, emulsifiers, etc, in order to preserve or add flavour, colour, or texture to processed food: food ___________
  7. an overview of the elements arranged in order of increasing atomic number: the ________ table of elements
  8. a nanomaterial consisting of one-atom-thick sheets of carbon atoms, with the atoms arranged in a honeycomb lattice structure
Down
  1. the outer covering of a willow; it can also be used as a medical: willow ____________________
  2. the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy: nuclear ____________
  3. a miniature cylindrical carbon structure that has hexagonal graphite molecules attached at the edges: carbon ______________
  4. a reaction in which two nuclei combine to form a nucleus with the release of energy: nuclear ______________
  5. alteration of the DNA of a cell for purposes of research, as a means of manufacturing animal proteins, correcting genetic defects, or making improvements to plants and animals bred by humans: genetic ________________
  6. an orbiting space station construction which was begun to be built in 2001 with the cooperation of 16 nations (abbreviation)
  7. a baby that grows from an egg that is fertilized outside the mother’s body and then put back inside to continue developing normally: test __________ baby
  8. a small computing device that you can wear, for example on your wrist
  9. the study of certain biological functions of animals that can be used and copied when developing new electronic equipment, artificial limbs, and machines
  10. very simple plants such as seaweed that have no real leaves, stems or roots, and that grow in or near water
  11. a nucleic acid that is the main constituent of the chromosomes of all organisms
  12. a collection of marine debris floating on the surface of the sea: garbage ___________

20 Clues: the process of making an identical copy of an organism or cell • a small computing device that you can wear, for example on your wrist • a nucleic acid that is the main constituent of the chromosomes of all organisms • a lift concept proposed to transport supplies into space: space ____________________ • ...

Weathering, Erosion and Deposition Slides 2022-12-05

Weathering, Erosion and Deposition Slides crossword puzzle
Across
  1. type of weathering that can be caused by animals
  2. type of beach landform caused by waves
  3. type of physical weathering consisting of falling debris
  4. the process of physical and chemical breakdown of rocks
  5. another word for speed
  6. type of chemical weathering involving acid rain
  7. word that means dry climate
  8. process in which sediment is laid down in flat layers
Down
  1. type of weathering where the minerals bonds are break apart
  2. type of valley formed by glaciers
  3. type of chemical weathering involving the reaction with oxygen
  4. landform type with medium t high elevation
  5. this moves sediment the most with erosion
  6. these grow into cracks of rocks and break them apart (2 words)
  7. this forms sand dunes

15 Clues: this forms sand dunes • another word for speed • word that means dry climate • type of valley formed by glaciers • type of beach landform caused by waves • this moves sediment the most with erosion • landform type with medium t high elevation • type of chemical weathering involving acid rain • type of weathering that can be caused by animals • ...

Aimie's Crossword Chemistry 2013-05-07

Aimie's Crossword Chemistry crossword puzzle
Across
  1. What reaction takes energy making the reaction mixture colder?
  2. What substance is made from atoms of different kinds chemically joined together?
  3. What is the name of the shape that has fuel, heat and oxygen?
  4. What is a electrically charged atom?
  5. What is polluting the world?
  6. What has 78% of it in the air?
Down
  1. What is CO2?
  2. What is the smallest amount of a chemical substance that can exsit?
  3. What substance contains different types of particles that are not joined together?
  4. What substance is made from only one kind of atom?
  5. What is the process of burning a fuel, or of being on fire?
  6. What has 21% of it in the air?
  7. What reaction gives out energy making the reaction mixture hotter?
  8. What particle makes all substances?

14 Clues: What is CO2? • What is polluting the world? • What has 21% of it in the air? • What has 78% of it in the air? • What particle makes all substances? • What is a electrically charged atom? • What substance is made from only one kind of atom? • What is the process of burning a fuel, or of being on fire? • What is the name of the shape that has fuel, heat and oxygen? • ...

Science CrossWord 2015-12-10

Science CrossWord crossword puzzle
Across
  1. metals-group one on the periodic table
  2. Hazardous Materials Information System
  3. negatively charged particle
  4. change-change that result when two or more substances react to create a different substance or substances
  5. that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion
  6. table-a table where all the elements are
  7. system-an experiment in which one or more products of a chemical reaction can escape 0
Down
  1. that has mass and occupies space
  2. substance that cannot be broken
  3. charged center of an atom
  4. Cell-cell that produced electricity by means of a chemical reaction that cannot be reversed

11 Clues: charged center of an atom • negatively charged particle • substance that cannot be broken • that has mass and occupies space • metals-group one on the periodic table • Hazardous Materials Information System • table-a table where all the elements are • system-an experiment in which one or more products of a chemical reaction can escape 0 • ...

Weathering Quiz Review1 2024-11-07

Weathering Quiz Review1 crossword puzzle
Across
  1. weathered rock that also contains organic materials, based on where you live
  2. breakdown of rocks by the repeated freezing and thawing of water
  3. change in the chemical composition of a substance while being broken down
  4. physical breakdown of material without changing the chemical composition
  5. chemical reaction where materials react with oxygen in the atmosphere (rust)
Down
  1. change in an object that does not change the identity of the object
  2. average temperature and precipitation over a long period of time
  3. the break down of rocks on or near the Earth's surface, into smaller segments
  4. broken down pieces of rock
  5. change in object that does change the identity of the object
  6. reaction of carbon dioxide and water to form an acid

11 Clues: broken down pieces of rock • reaction of carbon dioxide and water to form an acid • change in object that does change the identity of the object • average temperature and precipitation over a long period of time • breakdown of rocks by the repeated freezing and thawing of water • change in an object that does not change the identity of the object • ...

Kinetics and Equilibrium 2023-03-26

Kinetics and Equilibrium crossword puzzle
Across
  1. If the ________ is greater than the heat of the reactants, then the reaction is endothermic (the amount of energy of products in a reaction)
  2. Enthalpy and delta H mean the same thing (Heat lost or gained in a reaction)
  3. Out of all the states of matter, gases possess the most ______ (is a measure of disorder in a system)
  4. It is between reactants/products and the activated complex (minimum amount of energy for a reaction to occur)
  5. Provides an alternate pathway for the reaction to occur (a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change)
  6. The peak of a potential energy diagram (formed from an effective collision that has enough energy)
  7. If the _____ is greater than the heat of the products, the reaction is exothermic (the amount of energy of reactants in a reaction)
Down
  1. If stresses are added to an equation, the equilibrium shifts away from it (explains how a system at equilibrium will shift its equilibrium to relieve stress)
  2. a rock on the edge of a cliff possesses _________ (stored energy that depends upon the relative position of various parts of a system)
  3. If this number is negative, the energy of the products is less than the energy of reactants (heat lost or gained in a reaction)

10 Clues: Enthalpy and delta H mean the same thing (Heat lost or gained in a reaction) • The peak of a potential energy diagram (formed from an effective collision that has enough energy) • Out of all the states of matter, gases possess the most ______ (is a measure of disorder in a system) • ...

Science Vocabulary 2016-12-08

Science Vocabulary crossword puzzle
Across
  1. Has a positive charge and is inside the nucleus
  2. Positive, lost electrons, usually metals
  3. Has a neutral or no charge and is inside the nucleus
  4. Cannot be denied or doesn't work
  5. Elements share electrons
  6. A reaction in which something reacts with oxygen. The combustion of organic compounds usually takes the form organic compound + oxygen => water + carbon dioxide.
  7. The number placed before the variable
  8. Describes how a substances changes into a new substance
  9. Location of protons and neutrons
  10. The substance before the change, written on the left side of the arrow
  11. Something that stays the same
  12. Has an equal number of atoms on both sides of the arrow.
  13. To where you can control your experiment
  14. Characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  15. Gained, usually nonmetal
  16. The amount of times you experience your experiment
  17. An element, feature, or factor that is liable to vary or charge
  18. Can be observed without changing the substance
  19. Elements transfer electrons
  20. The elements have a repeating pattern that allow them to be placed in groups and periods
  21. 2 compounds form 2 new compounds
  22. Ion with more than one atom, has a charge, acts like a single unit
  23. A set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.
  24. Releases energy in the form of heat
  25. Have electrons that are like noble gas electrons
  26. The columns
  27. Simplest form of that species
  28. An element whose properties are intermediate between those of metals and solid nonmetals.
  29. Rounded atomic mass
Down
  1. The substance after the change has occurred, written o the right side of the arrow
  2. Surrounding an object
  3. Rows
  4. I compound forms 2 or more elements
  5. Two or more atoms of the same element, they have the same number of protons but different number of neutrons
  6. A change that creates a new substance
  7. The variable that doesn't depend on another
  8. A chemical change that produces or makes a new substance
  9. 1 element and 1 compound form
  10. Your purpose for having the experiment
  11. How compact an object is
  12. Symbolic representation of a chemical reaction in the form of symbols and formulae
  13. A shiny hard piece of matter
  14. 2 elements form a compound
  15. Parts of mixture look the same
  16. The variable that depends on another
  17. Same ratio of atoms no matter the size of the substances
  18. Protons, electrons, and neutrons
  19. Absorbs energy in the form of heat
  20. Parts of a mixture look different
  21. Has a negative charge and is outside the nucleus in orbit
  22. Physical restraints used to hold on to something
  23. A change that does not affect the identity of the substance
  24. Energy Energy stored in the bonds of chemical compounds
  25. Average mass of all atoms
  26. 2 or more atoms chemically combined
  27. All atoms want 8 valence electrons like the noble gasses
  28. Identifies the element
  29. 2 or more atoms/ compounds physically combined
  30. An element or substance that is not a metal
  31. Makes a reaction go faster but is not used up
  32. The basic unit of a chemical element

61 Clues: Rows • The columns • Rounded atomic mass • Surrounding an object • Identifies the element • Elements share electrons • How compact an object is • Gained, usually nonmetal • Average mass of all atoms • 2 elements form a compound • Elements transfer electrons • A shiny hard piece of matter • 1 element and 1 compound form • Something that stays the same • Simplest form of that species • ...

Biology 2024-11-11

Biology crossword puzzle
Across
  1. cell organelle that stores materials such as water, salt, proteins, and carbohydrates
  2. dissolves substances in a solution
  3. attraction between molecules of different substances
  4. Carrier molecule that transfers high energy electrons from chlorophyll to other molecules.
  5. substance that speeds up the rate of chemical reactions
  6. the biological equivalent of solar power plants that Capture energy from sunlight and convert it to chemical energy, Stored in food during photosynthesis
  7. element or compounds that enter into a chemical reaction
  8. prevents sharp, sudden changes in PH
  9. Fluid portion of the chloroplast outside the thylakoids
  10. dissolved in a solution
  11. atom charged positive or negative
  12. contains genetic material in the form of DNA
  13. mixture where all compounds are evenly distributed
  14. Compound used by cells To store and release energy
  15. PH of more than 7
  16. attraction between molecules of the same substance
  17. When comparing two solutions, the solution with the lesser concentration of solutes
  18. energy needed to get a reaction started
  19. small particles of RNA and protein found throughout the Cytoplasm
  20. PH less than 7
  21. use of evidence to come to a conclusion
  22. specialized structure that performs important cellular functions within a eukaryotic cell
  23. Light absorbing molecules used by plants to gather the sun's energy.
  24. reactant of a enzyme catalyzed reaction
  25. protein catalyst that speeds up specific biological reactions
  26. type of cell with a nucleus
  27. weak attraction between a hydrogen atom and another atom
  28. small chemical unit that makes up a polymer
Down
  1. When comparing two solutions, the solution with the greater concentration of salutes.
  2. network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and its involved in movement
  3. Group of similar cells that perform a particular function.
  4. type of cell with no nucleus
  5. the process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated.
  6. cell organelle that breaks down lipids carbs and proteins into small molecules that can be used by the rest of the cell
  7. group of tissues that work together to perform closely related functions.
  8. a particular preference or point of view that is personal, rather than specific
  9. principal pigment Of plants and other photosynthetic organisms.
  10. Process Used by plants and other autotrophs to capture light energy and use it to power chemical reactions
  11. mixture of water and no dissolved material
  12. modifies and packages cells during protein synthesis
  13. On or in a cell a specific protein to whose shape fits that of a specific molecular messenger, such as a hormone.
  14. Concentration of two solutions is the same.
  15. Sack-like photosynthetic membranes found in chloroplast.
  16. water channel protein in a cell
  17. produced by a chemical reaction
  18. basic unit of matter
  19. relatively constant internal physical and chemical conditions that organisms maintain
  20. Diffusion of water through a selectively permeable membrane
  21. a scientific explanation that can be tested upon further
  22. series of electron carriers proteins that shuttle high-energy electrons during ATP-generating reactions.
  23. substance with only one type of atom
  24. negativity charged particle
  25. cluster of chlorophyll and proteins found in thylakoids.

53 Clues: PH less than 7 • PH of more than 7 • basic unit of matter • dissolved in a solution • negativity charged particle • type of cell with a nucleus • type of cell with no nucleus • water channel protein in a cell • produced by a chemical reaction • atom charged positive or negative • dissolves substances in a solution • prevents sharp, sudden changes in PH • ...

Science Crossword - Hard 2024-01-31

Science Crossword - Hard crossword puzzle
Across
  1. - The natural home or environment of an animal, plant, or other organism (7)
  2. - A stable subatomic particle with a charge of negative electricity (7)
  3. - Process of coding genetic information from DNA into RNA (12)
  4. - The resistance of any physical object to any change in its state of motion (7)
  5. - Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei (7)
  6. - Study of heredity and the variation of inherited characteristics (8)
  7. - Substance that increases the rate of a chemical reaction (8)
  8. - Principle stating energy cannot be created or destroyed (12)
  9. - A type of bond in chemistry involving electron sharing (8)
  10. - The speed of something in a given direction (8)
  11. - The branch of physical science that deals with the relations between heat and other forms of energy (14)
  12. - An individual animal, plant, or single-celled life form (8)
  13. - Microscopic organism without a nucleus (8)
  14. - A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus (6)
  15. - Band of colors produced by separation of the components of light by their different degrees of refraction (8)
Down
  1. - A type of reaction that releases heat (9)
  2. - Chemical process of cell energy production (11)
  3. - A subatomic particle found in the nucleus of atoms (7)
  4. - Minimum amount of any physical entity involved in an interaction (6)
  5. - A subatomic particle of about the same mass as a proton but without an electric charge (7)
  6. - Change of state from gas to liquid (11)
  7. - Process used by plants to convert light energy into chemical energy (13)
  8. - Study of genes and heredity (8)
  9. - A substance that takes part in and undergoes change during a reaction (8)
  10. Zero - Theoretical temperature point where motion ceases (12)
  11. - A branch of science dealing with celestial bodies (9)
  12. - A substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together (7)
  13. - Systems of millions or billions of stars, together with gas and dust, held together by gravitational attraction (8)
  14. - A protein that speeds up chemical reactions in the body (6)
  15. - Emission of energy as electromagnetic waves (9)

30 Clues: - Study of genes and heredity (8) • - Change of state from gas to liquid (11) • - A type of reaction that releases heat (9) • - Microscopic organism without a nucleus (8) • - Chemical process of cell energy production (11) • - The speed of something in a given direction (8) • - Emission of energy as electromagnetic waves (9) • ...

Cross word bryan 2020-01-17

Cross word bryan crossword puzzle
Across
  1. complex
  2. chatelieers principle
  3. chemical reaction
Down
  1. energy
  2. electron
  3. replacment reaction
  4. area

7 Clues: area • energy • complex • electron • chemical reaction • replacment reaction • chatelieers principle

Sam Sierra Chemical Reactions 2018-02-28

Sam Sierra Chemical Reactions crossword puzzle
Across
  1. AB + CD → AD + CB is a ______ Displacement
  2. Chemical change is NOT ___, just difficult
  3. Feeling heat given by a campfire is an ____ reaction
  4. AB + oxygen → oxides of A & B is what reaction type
  5. AB → A + B is what kind of reaction
  6. AB + C → AC + B is a ___ Displacement
Down
  1. Another name for bond energy
  2. Can change coefficients, NOT _____
  3. When there is a net absorption of energy
  4. A + B → AB is an example of what type of reaction

10 Clues: Another name for bond energy • Can change coefficients, NOT _____ • AB → A + B is what kind of reaction • AB + C → AC + B is a ___ Displacement • When there is a net absorption of energy • AB + CD → AD + CB is a ______ Displacement • Chemical change is NOT ___, just difficult • A + B → AB is an example of what type of reaction • ...

Double Replacement Reactions 2024-03-12

Double Replacement Reactions crossword puzzle
Across
  1. type of double replacement reaction where a gas is produced
  2. added to the chemical equation to show type of reaction
  3. when a solid forms from two solutions
Down
  1. type of reaction when both products are aq
  2. _______ yield is the amount of product expected to be made in a reaction
  3. double ______ reactions
  4. the "S" in SNAP solubility rules
  5. able to dissolve
  6. term for soluble in water
  7. the only compound with the label "l" on the solubility table

10 Clues: able to dissolve • double ______ reactions • term for soluble in water • the "S" in SNAP solubility rules • when a solid forms from two solutions • type of reaction when both products are aq • added to the chemical equation to show type of reaction • type of double replacement reaction where a gas is produced • the only compound with the label "l" on the solubility table • ...

eli keifer chapter 13 2020-10-14

eli keifer chapter 13 crossword puzzle
Across
  1. Ab+CD- AD+BC displaces two elements.
  2. when there is a net absorption of energy
  3. more plus signs on the right side
  4. when reaction and it's reverse act at the same rate
  5. more plus signs on the left
Down
  1. when there is net release of energy
  2. no atoms are gained or lost during a reaction
  3. The key to get a chemical reaction to happen
  4. AB+C- Ac+B displaces one element.
  5. when oxygen gets added to a reaction

10 Clues: more plus signs on the left • AB+C- Ac+B displaces one element. • more plus signs on the right side • when there is net release of energy • Ab+CD- AD+BC displaces two elements. • when oxygen gets added to a reaction • when there is a net absorption of energy • The key to get a chemical reaction to happen • no atoms are gained or lost during a reaction • ...

Photosynthesis Crossword Puzzle 2024-05-24

Photosynthesis Crossword Puzzle crossword puzzle
Across
  1. green pigment
  2. what comes from the sun
  3. substances formed in a chemical reaction
  4. something that grows from a seed
  5. part of a plant
  6. Sugar
Down
  1. organelle where photosynthesis takes place
  2. the process of plants making food
  3. what's needed to create a reaction
  4. liquid reactant

10 Clues: Sugar • green pigment • liquid reactant • part of a plant • what comes from the sun • something that grows from a seed • the process of plants making food • what's needed to create a reaction • substances formed in a chemical reaction • organelle where photosynthesis takes place

Unit 3 Review - Weathering & Erosion 2020-10-21

Unit 3 Review - Weathering & Erosion crossword puzzle
Across
  1. environment created by flooding and is like a swamp without trees
  2. erosion that occurs when gravity pulls rocks down a slope
  3. organic materials found in soil
  4. weathered rocks minerals water air and organic materials
  5. environment created when sediment is deposited at the mouth of a river
  6. chemical weathering caused by oxygen reacting with metal
  7. type of weathering where a chemical reaction creates something new
  8. agent of chemical weather caused by air pollution
  9. environment created by deposition from waves
Down
  1. what happens to soft rock when acidic groundwater touches it
  2. weathering & erosion created when rocks, sand, or sediment hit each other due to wind, water, or gravity
  3. type of weathering where rocks are physically broken
  4. size of rocks that weather quickly
  5. what occurs when the roof of a cave collapses
  6. water freezes in the cracks of rocks
  7. the upper layer of soil that contains the most humus
  8. the movement of weathered rock from one location to another
  9. the lower layer of soil with the least weathered rock
  10. landform created by chemical weathering dissolving rock

19 Clues: organic materials found in soil • size of rocks that weather quickly • water freezes in the cracks of rocks • environment created by deposition from waves • what occurs when the roof of a cave collapses • agent of chemical weather caused by air pollution • type of weathering where rocks are physically broken • the upper layer of soil that contains the most humus • ...

Chapter 13-Allison Tietje 2016-10-11

Chapter 13-Allison Tietje crossword puzzle
Across
  1. a substance that undergoes a chemical change
  2. the big number in front of of the reactants
  3. anything that lowers the activation but still gets the same result
  4. the energy stored in molecules that can be released during a reaction
  5. must be added to break bonds
  6. doesn't have plus signs of the reactant side
  7. when reaction and it's reverse act at the same rate
Down
  1. a substance that is the result of the chemical
  2. energy transferred from reactant to surroundings
  3. each atom must appear the same number of times on both sides of the arrow
  4. atoms arrange to create one or more new compounds
  5. the little number after the reactant
  6. doesn't have plus signs on product side
  7. energy is transferred to reactants from surroundings
  8. a numeric scale used to express the acidity of a solution

15 Clues: must be added to break bonds • the little number after the reactant • doesn't have plus signs on product side • the big number in front of of the reactants • a substance that undergoes a chemical change • doesn't have plus signs of the reactant side • a substance that is the result of the chemical • energy transferred from reactant to surroundings • ...

Amplify Chemical Reactions 2024-02-29

Amplify Chemical Reactions crossword puzzle
Across
  1. to change the position or order of something.
  2. an ending substance that is made during a chemical reaction.
  3. able to cause damage.
  4. The temperature when a liquid turns to gas.
  5. A structure formed by repeated groups of atoms.
  6. Letters and numbers that they types of atoms that make a substance.
  7. an object or drawing that helps us understand something better.
  8. the relative size of things.
Down
  1. a substance that is added to soil to help plants grow.
  2. a starting substance that is part of a chemical reaction.
  3. A group of atoms joined in a particular way.
  4. The temperature when a substance changes from solid to liquid.
  5. Something that is made of all the same groups of atoms.
  6. Something that can be observed about a substance.
  7. the tiny pieces that all matter is made of.

15 Clues: able to cause damage. • the relative size of things. • The temperature when a liquid turns to gas. • the tiny pieces that all matter is made of. • A group of atoms joined in a particular way. • to change the position or order of something. • A structure formed by repeated groups of atoms. • Something that can be observed about a substance. • ...

Chapter 8 Lesson 2 Vocab Puzzle 2025-04-23

Chapter 8 Lesson 2 Vocab Puzzle crossword puzzle
Across
  1. Most chemical changes cannot be _______.
  2. _______ is the ability of one material to mix evenly in another.
  3. Many things experience chemical reaction when exposed to _______
  4. The process that changes a liquid into a gas.
  5. When ice melts, the mass of the ice _______ to the mass of the liquid water
  6. The chemical properties of the material stays the same when this type of change occurs.
  7. The process that changes a solid into a liquid.
  8. _______ energy is often needed for a chemical change to happen
Down
  1. The type of change that occurs when precipitate form.
  2. When a marshmallow roast, _______ change is a sign that it is going through chemical change.
  3. Changes can be easily reversed.
  4. All chemical reactions involve _______ changes.
  5. The _______ that make up the material do not change during a change in the state of matter.
  6. The total _______ of an object is the same before and after the physical or chemical change.
  7. Bubbles of _____ can forming when boiling

15 Clues: Changes can be easily reversed. • Most chemical changes cannot be _______. • Bubbles of _____ can forming when boiling • The process that changes a liquid into a gas. • All chemical reactions involve _______ changes. • The process that changes a solid into a liquid. • The type of change that occurs when precipitate form. • ...

Chapter 13-Izzy Barkhimer 2019-03-06

Chapter 13-Izzy Barkhimer crossword puzzle
Across
  1. If changed, the equilibrium shifts to oppose change, until new equilibrium is reached.
  2. What law of conservation: no atoms are gained or lost during any reaction.
  3. Bond Energy is also known as __________ Energy.
  4. How many types of chemical reactions are there?
  5. There is a net release of energy.
Down
  1. The solution is "basic".
  2. The solution is "acidic".
  3. What changes the rate of chemical reactions to make it move faster?
  4. There is a net absorption of energy.
  5. When reaction and it's reverse act at the same rate.

10 Clues: The solution is "basic". • The solution is "acidic". • There is a net release of energy. • There is a net absorption of energy. • Bond Energy is also known as __________ Energy. • How many types of chemical reactions are there? • When reaction and it's reverse act at the same rate. • What changes the rate of chemical reactions to make it move faster? • ...

Photosynthesis Crossword 2024-01-30

Photosynthesis Crossword crossword puzzle
Across
  1. The green pigment in a leaf that absorbs sunlight
  2. A long tube inside the stem that transports glucose to the roots
  3. substances that are formed in a chemical reaction
  4. The process where a plant creates glucose
  5. what is needed for a chemical reaction to take place
Down
  1. A long tube inside the stem that transports water
  2. The organelle where photosynthesis takes place
  3. The source of food that a plant makes (sugar)
  4. carries food down to the leaves
  5. The underside of a leaf that inhales carbon dioxide

10 Clues: carries food down to the leaves • The process where a plant creates glucose • The source of food that a plant makes (sugar) • The organelle where photosynthesis takes place • A long tube inside the stem that transports water • The green pigment in a leaf that absorbs sunlight • substances that are formed in a chemical reaction • ...

chemistry 3 2024-05-15

chemistry 3 crossword puzzle
Across
  1. Reaction Process where substances are transformed into different substances.
  2. (Pt) Precious metal used in jewelry and catalysts.
  3. (Li) Light metal used in batteries.
  4. (F) Highly reactive halogen, used in toothpaste.
  5. (B) Metalloid element used in glass and detergents.
Down
  1. (U) Radioactive element used as fuel in nuclear reactors.
  2. (I) Essential element for thyroid function.
  3. Substance that speeds up a chemical reaction without being consumed.
  4. (Ar) Noble gas used in light bulbs and welding.
  5. (Ne) Noble gas used in neon signs.

10 Clues: (Ne) Noble gas used in neon signs. • (Li) Light metal used in batteries. • (I) Essential element for thyroid function. • (Ar) Noble gas used in light bulbs and welding. • (F) Highly reactive halogen, used in toothpaste. • (Pt) Precious metal used in jewelry and catalysts. • (B) Metalloid element used in glass and detergents. • ...

Chemistry Crossword 2022-10-20

Chemistry Crossword crossword puzzle
Across
  1. all items are the same type
  2. evenly distributed
  3. the amount of a substance that will dissolve in another substance
  4. believed that electrons travel in clouds around the nucleus
  5. forms when atoms lose or gain electrons to have full outer valence electron shell
  6. the number of this word determines the elements reactivity
Down
  1. Turns red litmus paper blue
  2. 1st person ever to show that matter was made of atoms, and are invisible
  3. doesnt need a chemical reaction
  4. needs a chemical reaction to be separated

10 Clues: evenly distributed • Turns red litmus paper blue • all items are the same type • doesnt need a chemical reaction • needs a chemical reaction to be separated • the number of this word determines the elements reactivity • believed that electrons travel in clouds around the nucleus • the amount of a substance that will dissolve in another substance • ...

cellular respiration 2022-05-26

cellular respiration crossword puzzle
Across
  1. chemical reactions to release stored energy
  2. chemical break down of bacterias
  3. chemical process in which oxygen is used to make energy from carbohydrates
  4. energy stored in the bonds of chemical compounds
  5. break down of glucose
Down
  1. requiring oxygen
  2. reaction is transferred into adenosine
  3. plants and other organisms use sunlight to synthesize food
  4. plants and algae use to turn into carbon dioxide
  5. free of oxygen

10 Clues: free of oxygen • requiring oxygen • break down of glucose • chemical break down of bacterias • reaction is transferred into adenosine • chemical reactions to release stored energy • plants and algae use to turn into carbon dioxide • energy stored in the bonds of chemical compounds • plants and other organisms use sunlight to synthesize food • ...

Digestion and Metabolism 2022-11-28

Digestion and Metabolism crossword puzzle
Across
  1. This common enzyme is produced in the mouth
  2. This organ absorbs most of the nutrients from our food
  3. The liver produces this to break down fats
  4. This reaction puts small molecules together
  5. This chemical reaction has a net release of free energy
  6. This lowers the activation energy for a reaction
  7. This organ connects the stomach and the mouth
Down
  1. the breakdown of complex structures into smaller ones is known as _____ reaction.
  2. This causes the low pH of the stomach
  3. The net amount of leftover ________ produced that is available for work.
  4. The 4 main kinds of molecules needed for life are called the _______
  5. Bulk transport occurs by endocytosis and _____

12 Clues: This causes the low pH of the stomach • The liver produces this to break down fats • This common enzyme is produced in the mouth • This reaction puts small molecules together • This organ connects the stomach and the mouth • Bulk transport occurs by endocytosis and _____ • This lowers the activation energy for a reaction • ...

CHEMISTRY FOR ENGINEERS CROSSWORD PUZZLE 2021-06-12

CHEMISTRY FOR ENGINEERS CROSSWORD PUZZLE crossword puzzle
Across
  1. is a thermoplastic “addition polymer” made from the combination of propylene monomers.
  2. are defined as polymers that can be melted and recast almost indefinitely. They are molten when heated and harden upon cooling.
  3. is a field of research and innovation concerned with building 'things'.
  4. is a process of reacting monomer molecules together in a chemical reaction to form polymer chains.
  5. a chemical that causes birth defects.
  6. are polymers in which a crosslinking reaction occurs promoting chemical bonding between macro molecular chains.
  7. is a wide range of synthetic or semi-synthetic materials that are used in a huge and growing range of applications.
  8. is a process of heating a thermoplastic sheet to its softening point.
  9. refers to the degree of structural order of a solid.
  10. is a polymer made up of siloxane.
  11. is a polymer derived from more than one species of monomer.
  12. is a solid material whose constituents are arranged in a highly ordered microscopic structure.
  13. a substance that causes slight inflammation or other discomfort to the body.
  14. is a category of polymers that contain the ester functional group in every repeat unit of their main chain.
  15. the ability of the plastic to resist abrasion and wear.
  16. can be defined as materials possessing, at minimum, one external dimension measuring 1-100nm.
  17. is any artificial elastomer, synthesized from petroleum byproducts.
  18. are nanomaterials that nanosized polymers built from branched units.
  19. are typically viscous substances that convert into rigid polymers through a curing process.
Down
  1. is a lightweight, durable thermoplastic with variable crystalline structure.
  2. is produced from plants and is classified as a polymer.
  3. an infinite periodic array of points in a space.
  4. is a substance that is added to a material to make it softer and more flexible.
  5. is a thermoplastic silky material, generally made from petroleum, that can be melt-processed into fibers, films, or shapes.
  6. one of the structural categories systems to which crystalline solids can be assigned.
  7. a chemical that will cause an allergic reaction in a substantial number of exposed people.
  8. a tough elastic polymeric substance made from the latex of a tropical plant or synthetically.
  9. is the simplest repeating unit in a simple cubic structure​.
  10. is a chain of chemically linked one type of small molecules (or monomers),
  11. substance is one that will damage or destroy other substances with which it comes into contact by means of a chemical reaction.
  12. are referred to three axes of unequal lengths.
  13. are derived from petroleum oil, and made by scientists and engineers.
  14. a substance added to a product (as to increase bulk, weight, viscosity, opacity, or strength)
  15. are simply a combination of two or more constituent materials with different physical or chemical properties.
  16. the crystal is described by vectors of unequal length.
  17. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
  18. has three axes that all meet at 90 degrees.
  19. is used to coat a variety of products because it's waterproof, cuts down on friction, and creates a nonstick surface.
  20. a chemical that damages chromosomes.
  21. is an agent with the capacity to cause cancer in humans.

40 Clues: is a polymer made up of siloxane. • a chemical that damages chromosomes. • a chemical that causes birth defects. • has three axes that all meet at 90 degrees. • are referred to three axes of unequal lengths. • an infinite periodic array of points in a space. • refers to the degree of structural order of a solid. • the crystal is described by vectors of unequal length. • ...

unit0-2 2024-12-17

unit0-2 crossword puzzle
Across
  1. an atom or group of atoms that has an electric charge.
  2. the action or process of adapting or being adapted.
  3. a substance whose atoms all have the same number of protons
  4. the systematic study of the structure and behavior of the physical and natural world through observation, experimentation, and the testing of theories against the evidence obtained.
  5. evaluation of scientific, academic, or professional work by others working in the same field.
  6. Quantitative data is numbers-based, countable, or measurable. Qualitative data is interpretation-based, descriptive, and relating to language.
  7. a class of things of the same kind and with the same name
  8. an uncharged atomic particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus.
  9. the hierarchy of complex biological systems and structures.
  10. A material made up of two or more parts or elements.
  11. the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
  12. the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
  13. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  14. A form of a chemical element in which the atoms have the same number of protons (part of the nucleus of an atom) but with a different number of neutrons
  15. an individual animal, plant, or single-celled life form.
  16. the structure in a cell that contains the chromosomes.
Down
  1. The independent variable is the variable that is manipulated during an experiment, and it gets its name because it is independent of other factors.
  2. A control group is the group in a study that does not include the thing being tested and is used as a benchmark to measure the results of the other group and is one of the two groups in any valid experiment. The experimental group is the other one and is the group in which you are testing something.
  3. a group of two or more atoms that are held together by attractive forces known as chemical bonds
  4. a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
  5. The substances which participate in a chemical reaction
  6. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
  7. an experimental element which is constant (controlled) and unchanged throughout the course of the investigation.
  8. a process by which one or more reactants are converted into one or more products.
  9. the production of offspring by a sexual or asexual process.
  10. a reaction to something.
  11. the process of increasing in physical size.
  12. a thing or event that evokes a specific functional reaction in an organ or tissue.
  13. a chemical bond wherein there is a transfer of an electron from one atom to another.
  14. the process of developing or being developed.
  15. end substances after a biological process has occurred.
  16. the basic unit of a chemical element.
  17. a subatomic particle with a positive electrical charge.

33 Clues: a reaction to something. • the basic unit of a chemical element. • the process of increasing in physical size. • the process of developing or being developed. • the action or process of adapting or being adapted. • A material made up of two or more parts or elements. • an atom or group of atoms that has an electric charge. • ...

Photosynthesis 2024-10-04

Photosynthesis crossword puzzle
Across
  1. organelle where photosynthesis occurs
  2. an organism that uses photosynthesis to create its food and is characterized for being green
  3. product combined with water in the chemical reaction of photosynthesis (hint; human waste product)
  4. waste product that is a waste-product
  5. green pigment inside the chloroplasts
  6. allowed for gasses to enter and exit the plant
  7. how hot or cold something is
  8. oxygen in the chemical reaction of photosynthesis
  9. how water is carried through a plant
Down
  1. flattened "coins" within the chloroplasts that increase surface area
  2. how forms of glucose are carried through a plant
  3. process by which carbon dioxide, water, and sunlight are combined to produce glucose and oxygen
  4. organism that makes its food
  5. sugar used as energy, amino acids, or sugar in the DNA or RNA
  6. main source of energy during photosynthesis

15 Clues: organism that makes its food • how hot or cold something is • how water is carried through a plant • organelle where photosynthesis occurs • waste product that is a waste-product • green pigment inside the chloroplasts • main source of energy during photosynthesis • allowed for gasses to enter and exit the plant • how forms of glucose are carried through a plant • ...

Chapter 12 Crossword Puzzle 2022-12-07

Chapter 12 Crossword Puzzle crossword puzzle
Across
  1. soak in the flavor
  2. naming system
  3. substance that must be present for the enzymatic reaction to occur
  4. energy needed to create a reaction
  5. speeds up or starts a chemical reaction without changing it
  6. substance that prevents enzyme sub straight from forming
Down
  1. positively and negatively charged ions
  2. enzymes only react in the presence of oxygen
  3. speeds up reactions between substances without being affected
  4. location where the sub-straight attaches to the enzyme
  5. occurs when (phenolase) reacts with oxygen
  6. substance in which the enzyme acts
  7. briefly dipping food in boiling water to stop enzyme activity

13 Clues: naming system • soak in the flavor • energy needed to create a reaction • substance in which the enzyme acts • positively and negatively charged ions • occurs when (phenolase) reacts with oxygen • enzymes only react in the presence of oxygen • location where the sub-straight attaches to the enzyme • substance that prevents enzyme sub straight from forming • ...

Chapter 9 2014-01-14

Chapter 9 crossword puzzle
Across
  1. Should not normaly be larger than 100%
  2. Used to calculate the number of moles
  3. Reagent is completely used up in a chemical reaction
  4. Prob;ems solved using conversion factors
  5. Reactant that is not completely used up
  6. The amount of limiting reagent determines the amount of___?
  7. If there is a ____ limiting reagent in a reaction
Down
  1. Interpreting chemical_______
  2. one ______ of nitrogen reacts with three molecules
  3. Maximum amount of product that can be obtained
  4. Tell the relative number of moles
  5. Is the amount of product when the reaction is carried out in a lab
  6. conversion factor

13 Clues: conversion factor • Interpreting chemical_______ • Tell the relative number of moles • Used to calculate the number of moles • Should not normaly be larger than 100% • Reactant that is not completely used up • Prob;ems solved using conversion factors • Maximum amount of product that can be obtained • If there is a ____ limiting reagent in a reaction • ...

THE INCREDIBLE CHEMISTRY POWERING YOUR SMARTPHONE 2021-04-19

THE INCREDIBLE CHEMISTRY POWERING YOUR SMARTPHONE crossword puzzle
Across
  1. A compound which, when dissolved in water
  2. A solid whose constituent particles
  3. A solution that conducts a certain amount
  4. A type of subatomic particle with a net charge
  5. Ions or molecules with identical chemical formulas
  6. A chemical element in its smallest form
Down
  1. The net movement of atoms or molecules
  2. The physical or chemical process
  3. The combining capacity of an element.
  4. An irreversible interfacial chemical reaction

10 Clues: The physical or chemical process • A solid whose constituent particles • The combining capacity of an element. • The net movement of atoms or molecules • A chemical element in its smallest form • A compound which, when dissolved in water • A solution that conducts a certain amount • An irreversible interfacial chemical reaction • ...

secondary 2024-06-03

secondary crossword puzzle
Across
  1. - The molecule that gives plants their green color and plays a crucial role in photosynthesis.
  2. - A community of living organisms interacting with their environment.
  3. - The study of the effects of work, heat, and energy on a system.
  4. - Atoms of the same element with different numbers of neutrons.
  5. - A chemical reaction involving the loss of electrons, commonly seen in rusting.
Down
  1. - The process by which plants convert sunlight into chemical energy.
  2. - The movement of water molecules through a selectively permeable membrane.
  3. - The skill of using language effectively and persuasively.
  4. - Balanced proportions or mirror-like similarity on both sides.
  5. - A substance that speeds up a chemical reaction without being consumed.

10 Clues: - The skill of using language effectively and persuasively. • - Balanced proportions or mirror-like similarity on both sides. • - Atoms of the same element with different numbers of neutrons. • - The study of the effects of work, heat, and energy on a system. • - The process by which plants convert sunlight into chemical energy. • ...

Everyday Chemistry 2024-10-08

Everyday Chemistry crossword puzzle
Across
  1. A mixture of two liquids that normally don’t mix, like oil and water.
  2. A substance used to prevent food from spoiling.
  3. A substance that speeds up a chemical reaction without being consumed.
  4. A substance used for cleaning, especially for clothes and dishes.
  5. The gradual destruction of metals by chemical reactions with their environment.
  6. A liquid that dissolves another substance, such as water or alcohol.
Down
  1. A process where sugars are converted to alcohol or acids by microorganisms.
  2. A chemical reaction where a substance loses electrons, often involving oxygen.
  3. level A measure of how acidic or basic a substance is.
  4. A substance that sticks objects together (e.g., glue.

10 Clues: A substance used to prevent food from spoiling. • A substance that sticks objects together (e.g., glue. • level A measure of how acidic or basic a substance is. • A substance used for cleaning, especially for clothes and dishes. • A liquid that dissolves another substance, such as water or alcohol. • ...

Science Focused Domain Specific Vocabulary. 2024-10-24

Science Focused Domain Specific Vocabulary. crossword puzzle
Across
  1. – The tendency of organisms to maintain a stable internal environment.
  2. – Organelles in cells responsible for energy production.
  3. – Atoms of the same element with different numbers of neutrons.
  4. – The movement of water molecules through a semipermeable membrane.
  5. – A chemical reaction where a substance loses electrons.
Down
  1. – The process by which plants use sunlight to synthesize foods.
  2. – The ability of an atom to attract electrons in a chemical bond.
  3. – A substance that increases the rate of a chemical reaction without being consumed.
  4. – The complete set of genes or genetic material present in an organism.
  5. – A standard unit in chemistry representing 6.022 × 10²³ particles of a substance.

10 Clues: – Organelles in cells responsible for energy production. • – A chemical reaction where a substance loses electrons. • – The process by which plants use sunlight to synthesize foods. • – Atoms of the same element with different numbers of neutrons. • – The ability of an atom to attract electrons in a chemical bond. • ...

Chapter 13 Crossword-Wheeler 2020-10-05

Chapter 13 Crossword-Wheeler crossword puzzle
Across
  1. is the energy required to pull two atoms apart
  2. During a _______ ________, one or more new compounds are formed due to the rearranging of atoms
  3. _____ _____ and bases ionize completely in water
  4. In an _________ reaction, there is a net release of energy.
  5. In an _________ reaction, there is a net absorption of energy.
Down
  1. when a reaction and its reserve act at the same rate
  2. no atoms are gained or lost during a reaction
  3. bond energy is also known as ________ ______?
  4. ____ _____ and bases do not ionize completely in water
  5. how many clues indicate a chemical reaction?

10 Clues: how many clues indicate a chemical reaction? • no atoms are gained or lost during a reaction • bond energy is also known as ________ ______? • is the energy required to pull two atoms apart • _____ _____ and bases ionize completely in water • when a reaction and its reserve act at the same rate • ____ _____ and bases do not ionize completely in water • ...

Science. crossword 2023-11-17

Science. crossword crossword puzzle
Across
  1. changing something or someone into something else
  2. What cellular respiration uses to make ATP
  3. The air plants consume for photosynthesis
  4. The cycle where oxygen goes to _____, and back over and over again.
  5. This makes the opposite of photosynthesis
  6. What the reactant turns into
  7. is the air used for cellular respiration
  8. a reaction that makes a new substance
  9. The process of making glucose
Down
  1. What do most of the chemical reactions in cellular respiration
  2. The reaction something has to a bright thing
  3. The thing in photosynthesis that makes glucose
  4. what turns into a product after a reaction

13 Clues: What the reactant turns into • The process of making glucose • a reaction that makes a new substance • is the air used for cellular respiration • The air plants consume for photosynthesis • This makes the opposite of photosynthesis • What cellular respiration uses to make ATP • what turns into a product after a reaction • The reaction something has to a bright thing • ...

Monosaccharides, Disaccharides, Polysaccharides 2019-09-15

Monosaccharides, Disaccharides, Polysaccharides crossword puzzle
Across
  1. Storage form of energy (glucose) in an animal/human.
  2. Plant cells store glucose as ________. These may be long, branched or unbranched chains of MANY glucose units.
  3. Location where carbohydrate digestion begins.
  4. Condensation is a chemical reaction that releases _________.
  5. Monosaccharide found abundantly in fruit.
  6. Monosaccharides and disaccharides are sometimes called __________ carbohydrates.
  7. Location where the majority of carbohydrate ABSORPTION occurs.
  8. Monosaccharide present in all disaccharides.
  9. A polysaccharide that are structural parts of plants. Cellulose is one that cannot be broken down in the body.
Down
  1. Lactose is a disaccharide of glucose and ________.
  2. Disaccharide often called "table sugar" and consists of glucose+fructose.
  3. Disaccharide consisting of 2 glucose units.
  4. Chemical reaction in which one molecule is split into 2 molecules.
  5. Glycogen is made and stored in the muscles and _______.
  6. Starches and fibers are collectively referred to as____________ carbohydrates.

15 Clues: Monosaccharide found abundantly in fruit. • Disaccharide consisting of 2 glucose units. • Monosaccharide present in all disaccharides. • Location where carbohydrate digestion begins. • Lactose is a disaccharide of glucose and ________. • Storage form of energy (glucose) in an animal/human. • Glycogen is made and stored in the muscles and _______. • ...

Cell Biology Crossword 2019-05-19

Cell Biology Crossword crossword puzzle
Across
  1. the process by which DNA is copied within each cell
  2. can slow down or stop enzyme
  3. cell divides and makes two identical daughter cells
  4. proteins that control progress of cells through the cell cycle
  5. a disease that results when cells lose normal control
  6. a protein that catalyzes a certain chemical reaction
  7. the complete sequence of phases in which a cell prepares for
  8. a non infectious disease that disrupts the body's ability to process sugars
Down
  1. a structure composed of DNA wrapped with protein
  2. any cell produced by a cell
  3. a group of organic compounds in cells that do not dissolve in water
  4. biological molecule that an enzyme works on
  5. a measurement of the acidity of a solution
  6. a microbe that must invade another cell
  7. substance that speeds up a chemical reaction

15 Clues: any cell produced by a cell • can slow down or stop enzyme • a microbe that must invade another cell • a measurement of the acidity of a solution • biological molecule that an enzyme works on • substance that speeds up a chemical reaction • a structure composed of DNA wrapped with protein • the process by which DNA is copied within each cell • ...

Enzymes 2024-11-02

Enzymes crossword puzzle
Across
  1. An enzyme that breaks down fat
  2. When an enzyme binds to its substrate, it forms:
  3. A substance that speeds up the rate of a chemical reaction
  4. A carbohydrase enzyme that breaks down starch
  5. An enzyme that breaks down large carbohydrate molecules into simple sugars.
  6. Cannot be absorbed
  7. The specific 3-dimensional shape that enables a substrate to fit into an enzyme's active site
Down
  1. The food group acted upon b
  2. The part of an enzyme where the chemical reaction occurs.
  3. A substrate fits into its enzyme just like a key fits a lock
  4. A protein that acts as a biological catalyst
  5. An enzyme that breaks down proteins
  6. A protease enzyme that breaks down proteins in the stomach
  7. A protease enzyme from the pancreas that digests proteins in the small intestine
  8. Can be absorbed

15 Clues: Can be absorbed • Cannot be absorbed • The food group acted upon b • An enzyme that breaks down fat • An enzyme that breaks down proteins • A protein that acts as a biological catalyst • A carbohydrase enzyme that breaks down starch • When an enzyme binds to its substrate, it forms: • The part of an enzyme where the chemical reaction occurs. • ...

Renewable energy 2024-04-05

Renewable energy crossword puzzle
Across
  1. Process of melting together
  2. elementary particles.
  3. made up of one or more atom
  4. A chemical element
Down
  1. changes color
  2. Remote control center of cell
  3. A nuclear reaction
  4. The unit of watts
  5. Cell that contains chromosome's
  6. building blocks of matter.

10 Clues: changes color • The unit of watts • A nuclear reaction • A chemical element • elementary particles. • building blocks of matter. • Process of melting together • made up of one or more atom • Remote control center of cell • Cell that contains chromosome's

Chem Vocab Review 2021-01-05

Chem Vocab Review crossword puzzle
Across
  1. same # protons, different # of neutrons
  2. shows formulas and relative amounts
  3. substance changes into new substance
  4. ability of a substance to be dissolved
  5. substance formed during a chemical reaction
  6. mass in grams of one mole of pure subst.
  7. positively charged dense center of the atom
  8. more than one valid Lewis structure exists
  9. smallest particle of an element
  10. has mass and takes up space
  11. two different elements chemically combined
  12. mass weighted avg mass of the isotopes
  13. temp to go from solid to liquid
  14. substance dissolved in a solution
  15. negative particle in an atom
  16. bond, electrons are not shared equally
  17. ion with a positive charge
  18. positive particle in an atom
  19. unequal # of protons and electrons
Down
  1. separate a mixture using boiling points
  2. type of bond, electrons are transferred
  3. vertical column
  4. lose/gain/share electrons to become stable
  5. type of bond, atoms share electrons
  6. physically combined, retains parts' properties
  7. horizontal row
  8. temp to go from liquid to gas
  9. neutral particle in an atom
  10. electrons that determine chemical properties
  11. ion with a negative charge
  12. amount of mass per unit of volume
  13. the number of protons in an atom
  14. two or more atoms covalently bonded
  15. properties of both metals and nonmetals
  16. the starting substance in a chemical reaction

35 Clues: horizontal row • vertical column • ion with a negative charge • ion with a positive charge • neutral particle in an atom • has mass and takes up space • negative particle in an atom • positive particle in an atom • temp to go from liquid to gas • smallest particle of an element • temp to go from solid to liquid • the number of protons in an atom • amount of mass per unit of volume • ...

Vocabulary Puzzle 2021-10-08

Vocabulary Puzzle crossword puzzle
Across
  1. one of several forms of a single element, which contains the same number of protons but different neutrons
  2. macromolecule made mostly from carbon and hydrogen atoms
  3. compound with an amino group on one end and a carbonyl group in the other end
  4. compound made of carbon, hydrogen, and oxygen atoms
  5. protein that catalyst that speeds up the rate of specific biological reactions
  6. compound that produces hydroxide ions (OH-) in solution; solution with a pH of more that 7
  7. reactant of an enzyme-catalyzed reaction
  8. attraction between molecules of the same substance
  9. small chemical unit that makes up a polymer
Down
  1. type of bond between atoms in which the electrons are escaped
  2. molecule composed of many monomers, makes up macromolecules
  3. chemical bond formed when one or more electrons are transferred from one atom to another
  4. substance that speeds up the rate of a chemical reaction
  5. atom that has a positive or negative charge
  6. electron in the outer shell associated with an atom
  7. compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
  8. force of attraction between different kinds of molecules
  9. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
  10. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  11. the basic unit of matter

20 Clues: the basic unit of matter • reactant of an enzyme-catalyzed reaction • atom that has a positive or negative charge • small chemical unit that makes up a polymer • attraction between molecules of the same substance • electron in the outer shell associated with an atom • compound made of carbon, hydrogen, and oxygen atoms • ...

Science 2023-02-15

Science crossword puzzle
Across
  1. horizontal row of the period table
  2. element 36 on the periodic table with the symbol Kr
  3. a condensable gas
  4. state of matter characterized by having a definite volume but not a definite shape
  5. a chemical change that forms new substances
  6. the element with atomic number 8 and we breathe in
  7. unit of mass equal to the mass of one cubic centimeter
  8. amount of matter a substance contains or property of matter that resists acceleration
  9. yellow-colored transition metal
  10. measure of the amount of light absorbed by a sample
Down
  1. characteristic of matter fixed by its state
  2. substance formed as a result of a chemical reaction
  3. point temperature at which the solid and liquid phases of matter coexist in equilibrium
  4. radioactive gas with the element symbol Rn and atomic number 86
  5. distinct form of matter with uniform chemical and physical properties
  6. metal with element symbol Ga and atomic number 31
  7. the number of electrons needed to fill the outermost electron shell
  8. the three-dimensional space occupied by a solid, liquid, or gas
  9. ribonucleic acid, a molecule that codes for amino acid squences
  10. a compound formed by one oxygen atom and two hydrogen atoms
  11. ionic compound formed by reacting an acid and a base
  12. state of matter characterized by having neither a defined shape nor defined volume

22 Clues: a condensable gas • yellow-colored transition metal • horizontal row of the period table • characteristic of matter fixed by its state • a chemical change that forms new substances • metal with element symbol Ga and atomic number 31 • the element with atomic number 8 and we breathe in • substance formed as a result of a chemical reaction • ...

Key words 2024-12-08

Key words crossword puzzle
Across
  1. Process in which red blood cells are clumped together by an antibody.
  2. Different versions of the same gene.
  3. Short lengths of RNA that combine with specific amino acids prior to protein synthesis.
  4. The whole of the genetic information of an organism or cell.
  5. Length of DNA that carries specific genes in a linear sequence.
  6. One of two types of chemical compound used to make nucleotides – cytosine, thymine and uracil.
  7. The particular position of a gene on homologous chromosomes.
  8. A covalent bond between monosaccharide residues in disaccharides and polysaccharides.
  9. Formed from a triacylglycerol in which one of the fatty acid groups is replaced by an ionized phosphate group.
Down
  1. Large organic molecule made up of repeating subunits (monomers).
  2. Heritable factor that consists of a length of DNA that codes for a protein.
  3. Chemical compounds of the same chemical formula but different structural formulae.
  4. An organic base combined with pentose sugar and phosphate.
  5. A group of four-ring hydrocarbons, of which cholesterol, oestradiol and testosterone are examples.
  6. Reaction where molecules are split into smaller molecules.
  7. Long carbohydrate molecules attached to membrane proteins and membrane lipids.
  8. Reaction that combines two molecules.
  9. Having hydrophobic and hydrophilic parts on the same molecule.
  10. The chemically active part of a member of a series of organic molecules.
  11. Three consecutive bases in DNA which specify an amino acid.

20 Clues: Different versions of the same gene. • Reaction that combines two molecules. • An organic base combined with pentose sugar and phosphate. • Reaction where molecules are split into smaller molecules. • Three consecutive bases in DNA which specify an amino acid. • The whole of the genetic information of an organism or cell. • ...

Gas Laws Crossword 2016-05-15

Gas Laws Crossword crossword puzzle
Across
  1. the law that the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and the universal gas constant.
  2. the energy of motion, observable as the movement of an object, particle, or set of particles.
  3. an experimental gas law which describes how gases tend to expand when heated.
  4. A physical constant which is featured in many fundamental equations in the physical sciences, such as the ideal gas law and the Nernst equation.
  5. a gas law, stating that the pressure and volume of a gas have an inverse relationship, when temperature is held constant.
  6. A chemical reaction in which more energy is released than is required to break bonds in the initial reaction.
  7. used when performing calculations on gases, such as gas density. The standard temperature is 273 K (0° Celsius) and the standard pressure is 1 atm pressure.
  8. An insulated device that is used to measure the amount of heat released or absorbed during a physical or chemical process.
  9. The heat content of a system at constant pressure.
  10. The SI unit of heat and energy.
Down
  1. States that in any chemical or physical process, energy may change from one form to another but it is neither created nor destroyed.
  2. A law stating that the volumes of gases undergoing a reaction at constant pressure and temperature are in a simple ratio to each other and to that of the product.
  3. the lowest temperature that is theoretically possible, at which the motion of particles that constitutes heat would be minimal.
  4. mechanical energy, stored energy, or energy caused by its position.
  5. A measure of the average kinetic energy of the particles in a sample of matter.
  6. The volume occupied by one mole of a substance at a given temperature and pressure. It is equal to the molar mass (M) divided by the mass density (ρ).
  7. A form of energy that flows from a warmer object to a cooler object.
  8. The capacity to do work or produce heat; exists as potential energy, which is stored in an object due to its composition or position, and kinetic energy, which is the energy of motion.
  9. A chemical reaction in which a greater amount of energy is required to break the existing bonds in the reactants than is released when the new bonds form in the product molecules.
  10. The amount of heat required to raise the temperature of one gram of a given substance by one degree Celsius.

20 Clues: The SI unit of heat and energy. • The heat content of a system at constant pressure. • mechanical energy, stored energy, or energy caused by its position. • A form of energy that flows from a warmer object to a cooler object. • an experimental gas law which describes how gases tend to expand when heated. • ...

structure of matter 2017-05-22

structure of matter crossword puzzle
Across
  1. a substance formed by the physical change of 2 or more element in random ratios
  2. the result of a chemical reaction in which the reactants an products are represented by symbols
  3. the elements or compounds that take part in a chemical reaction
  4. the number of atoms of each element in a compound,symbols and valencies
Down
  1. the rearrangement of the elements form new compounds
  2. the number of atoms present in a molecule of an atom
  3. an abbreviation of a chemical element
  4. a substance formed by the chemical change of 2 or more elements in fixed proportions
  5. a measure of the combining capacity of an element or a group

9 Clues: an abbreviation of a chemical element • the rearrangement of the elements form new compounds • the number of atoms present in a molecule of an atom • a measure of the combining capacity of an element or a group • the elements or compounds that take part in a chemical reaction • the number of atoms of each element in a compound,symbols and valencies • ...

Food Unit 2021-01-22

Food Unit crossword puzzle
Across
  1. This is a sign of a chemical reaction
  2. An organ that is part of the digestive system
  3. Food group that includes bread and rice
  4. Food group that includes meat and nuts
  5. A process that only plants can do
Down
  1. Food group that includes strawberries and apples
  2. Our body's process of breaking down food for energy
  3. Food group that includes cheese and milk
  4. Food group that includes asparagus and carrots
  5. Mixing milk and vinegar is an example of a chemical __________

10 Clues: A process that only plants can do • This is a sign of a chemical reaction • Food group that includes meat and nuts • Food group that includes bread and rice • Food group that includes cheese and milk • An organ that is part of the digestive system • Food group that includes asparagus and carrots • Food group that includes strawberries and apples • ...

Photosynthesis crossword 2021-10-20

Photosynthesis crossword crossword puzzle
Across
  1. series of reaction in a membrane that transfers electrons
  2. the fluid area surrounding the grana
  3. photosynthetic membrane found in chloroplast
  4. green pigment of plants
  5. light energy is absorbed and converted into ATP and NADPH
  6. high energy molecule
Down
  1. synthesizing ATP from organic chemical
  2. The Chemical reactions that convert carbon dioxide and other compounds into glucose
  3. low energy molecule
  4. process with plants use light energy to convert h2o and co2 into o2 and sugars and starches

10 Clues: low energy molecule • high energy molecule • green pigment of plants • the fluid area surrounding the grana • synthesizing ATP from organic chemical • photosynthetic membrane found in chloroplast • series of reaction in a membrane that transfers electrons • light energy is absorbed and converted into ATP and NADPH • ...

Xavier Simpson 2022-03-08

Xavier Simpson crossword puzzle
Across
  1. a particle
  2. quantitative relationship between the amount of reactants used and the amount of products formed
  3. lowest whole number ratio within a compound
  4. (actual/theoretical) x 100
  5. the amount of product that was ACTUALLY produced
  6. the MAXIMUM amount of a reactant produced
Down
  1. mass of one mole of a substance
  2. the reactant that is used up in a chemical reaction
  3. multiple of an empirical formula
  4. a ratio between the umber of moles of any substances in a chemical reaction

10 Clues: a particle • (actual/theoretical) x 100 • mass of one mole of a substance • multiple of an empirical formula • the MAXIMUM amount of a reactant produced • lowest whole number ratio within a compound • the amount of product that was ACTUALLY produced • the reactant that is used up in a chemical reaction • ...

Energy and chemicles 2024-02-28

Energy and chemicles crossword puzzle
Across
  1. heat that enters or stays inside.
  2. the sum of potential energy and kinetic energy.
  3. a substance that stops a chemical reaction.
  4. the use of nuclear reactions to produce electricity.
  5. the energy held by an object because of its position relative to other objects.
  6. the ability to do work.
Down
  1. Heat that exits.
  2. A substance that is altered or incorporated into another substance in a chemical reaction
  3. the energy an object has because its motion
  4. An item that accelerates the process of an experiment

10 Clues: Heat that exits. • the ability to do work. • heat that enters or stays inside. • the energy an object has because its motion • a substance that stops a chemical reaction. • the sum of potential energy and kinetic energy. • the use of nuclear reactions to produce electricity. • An item that accelerates the process of an experiment • ...

chemistry 2025-10-06

chemistry crossword puzzle
Across
  1. a mixture where a solute is dissolved in a solvent
  2. a neutral particle in an atom's nucleus.
  3. smallest unit of an element
  4. a negatively charged particle in an atom's orbit.
  5. the starting substances in a chemical reaction
  6. unit used to identify a given amount of a substance
Down
  1. a positively charged particle in an atom's nucleus.
  2. the new substances formed by a chemical reaction
  3. a pure substance made up of only one type of atom
  4. the substance that is dissolved in a solvent

10 Clues: smallest unit of an element • a neutral particle in an atom's nucleus. • the substance that is dissolved in a solvent • the starting substances in a chemical reaction • the new substances formed by a chemical reaction • a pure substance made up of only one type of atom • a negatively charged particle in an atom's orbit. • ...

Chemical Reactions Crossword 2025-04-28

Chemical Reactions Crossword crossword puzzle
Across
  1. A substance that can neutralise an acid (4)
  2. A reaction between an acid and an alkali (13)
  3. A reaction where a more reactive metal takes the place of a less reactive one (11)
  4. A type of chemical substance with a pH below 7 (5)
  5. A rapid reaction that releases heat and light (10)
  6. A gas produced when acids react with some metals (8)
  7. A type of base that dissolves in water (7)
  8. A reaction that releases heat to the surroundings (10)
  9. A type of reaction that absorbs heat from the surroundings (11)
Down
  1. A salt of a metal and carbonic acid (5, 9)
  2. A compound containing a metal and oxygen (5, 6)
  3. A gas produced when metal carbonates react with acids (6, 8)

12 Clues: A salt of a metal and carbonic acid (5, 9) • A type of base that dissolves in water (7) • A substance that can neutralise an acid (4) • A reaction between an acid and an alkali (13) • A compound containing a metal and oxygen (5, 6) • A type of chemical substance with a pH below 7 (5) • A rapid reaction that releases heat and light (10) • ...

Chemistry 1 Vocab Words & Lab 2021-11-08

Chemistry 1 Vocab Words & Lab crossword puzzle
Across
  1. are the elements that come out of a chemical equation
  2. a measure of the average kinetic energy of the atoms or molecules in the system
  3. the speed at which a chemical reaction proceeds
  4. Sign The little triangle in between the reactants and products
  5. is the measure of how much of a given substance there is mixed with another substance
  6. any substance that increases the rate of a reaction without itself being consumed
Down
  1. Less Reactant B is
  2. process in which one or more substances are converted to one or more different substances
  3. Less Reactant A is
  4. are the elements that go into a chemical equation

10 Clues: Less Reactant B is • Less Reactant A is • the speed at which a chemical reaction proceeds • are the elements that go into a chemical equation • are the elements that come out of a chemical equation • Sign The little triangle in between the reactants and products • a measure of the average kinetic energy of the atoms or molecules in the system • ...

Chemical bonds 2024-12-04

Chemical bonds crossword puzzle
Across
  1. how many valance electrons an atom needs to be full
  2. When chemical bonds are broken or new chemical bonds are made
  3. an electron in the outermost orbital of an atom
  4. a reaction that gives off heat
  5. type of chemical bond where valence electrons are shared
  6. example of a substance with atoms that are bonded
Down
  1. type of chemical bond where valence electrons are transfered
  2. H20 is the _______________ for water
  3. positively charged atom in an ionic chemical bond
  4. negatively charged atom in an ionic chemical bond

10 Clues: a reaction that gives off heat • H20 is the _______________ for water • an electron in the outermost orbital of an atom • positively charged atom in an ionic chemical bond • negatively charged atom in an ionic chemical bond • example of a substance with atoms that are bonded • how many valance electrons an atom needs to be full • ...

types of energy and energy transfer 2023-12-14

types of energy and energy transfer crossword puzzle
Across
  1. chemical to electric
  2. falling potential to kinetic
  3. is produced by vibrations
  4. electrical to light
  5. is the energy of an object due to its motion
  6. mechanical to electric
  7. the type of energy that has a magnetic field
  8. refers to the kinetic energy of an object due to its motion
  9. is energy due to position but must be positioned where you can get the energy back again
Down
  1. is the potential energy a massive object has in relation to another massive object due to gravity
  2. is stored in the nucleus of an atom
  3. When stored energy is changed into movement
  4. is the energy a substance or system has related to its temperature
  5. is a form of energy produced by the sun
  6. is the energy related to forces on electrically charged particles and the movement of those particles
  7. is the energy of chemical substances that is released when the substances undergo the chemical reaction
  8. chemical to heat and light
  9. bulb electric to light
  10. travels in waves and consists of visible light
  11. electric to mechanical

20 Clues: electrical to light • chemical to electric • mechanical to electric • electric to mechanical • is produced by vibrations • bulb electric to light • chemical to heat and light • falling potential to kinetic • is stored in the nucleus of an atom • is a form of energy produced by the sun • When stored energy is changed into movement • is the energy of an object due to its motion • ...

CROSSWORD 2020-01-17

CROSSWORD crossword puzzle
Across
  1. complex
  2. chatelier’s principle
  3. chemical reaction
Down
  1. energy
  2. electron
  3. replacement reaction
  4. area

7 Clues: area • energy • complex • electron • chemical reaction • replacement reaction • chatelier’s principle

Chemistry - Unit 1 Vocabulary 2021-08-20

Chemistry - Unit 1 Vocabulary crossword puzzle
Across
  1. something that causes a response
  2. a written statement that describes, in detail, things that are seen, heard, or smelled
  3. creation of a new substance by means of a chemical reaction
  4. not capable of being mixed
  5. in a liquid and its components are separated using their different physical and chemical properties
  6. a combination of more than one substance
  7. when two substances are mixed and they cause each other to change into a new substance or new substances
  8. a technique by which a mixture of solid substances is dissolved or
Down
  1. able to be molded
  2. a particular kind of matter that has only one set of properties throughout
  3. a techniques used to separate a mixture using two different immiscible liquids, usually water (polar) and an organic solvent (nonpolar). some components of the mixture will dissolve into the water,
  4. stimuli
  5. capable of being mixed
  6. factors affecting the environment a substance is in; this may include the temperature, pressure, and surrounding gases or liquids
  7. the separation of one desired substance from a mixture of substances by using chemical techniques that take advantage of their differing properties
  8. property a characteristic of a substance that determines whether or not and how it reacts with another substance
  9. others will dissolve into the organic solvent
  10. property a characteristic of a substance that includes physical attributes such as color, hardness, shininess, texture, density, and how it responds to

18 Clues: stimuli • able to be molded • capable of being mixed • not capable of being mixed • something that causes a response • a combination of more than one substance • others will dissolve into the organic solvent • creation of a new substance by means of a chemical reaction • a technique by which a mixture of solid substances is dissolved or • ...

Chemical reactions 2017-05-20

Chemical reactions crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction
  2. thing, especially a trend or fact, that indicates the state or level of something
  3. the state or process of rotting decay
  4. combination or composition, in particular
  5. A substance that increases the rate of a chemical reaction
Down
  1. Reactions process that involves rearrangement of the molecular or ionic structure of a substance
  2. A chemical substance that neutralizes alkalis
  3. Of Mass a principle stating that mass cannot be created or destroyed
  4. the branch of science that deals with the identification of the substances
  5. cause (an event or situation, typically one that is bad or undesirable) to happen suddenly, unexpectedly, or prematurely
  6. An article or substance that is manufactured or refined for sale

11 Clues: the state or process of rotting decay • combination or composition, in particular • A chemical substance that neutralizes alkalis • A substance that increases the rate of a chemical reaction • An article or substance that is manufactured or refined for sale • Of Mass a principle stating that mass cannot be created or destroyed • ...

Chem Crossword 2017-04-04

Chem Crossword crossword puzzle
Across
  1. It makes up most of an atom's volume, and yours too.
  2. I'm absolutely, 100%, without a doubt positive!
  3. An "overweight" atom.
  4. Metals with one valence electron.
  5. They're organized by # of valence electrons.
  6. A model citizen in the world of chemistry.
  7. The...of an atom is like a fly in a cathedral!
  8. The universe is mostly made of this substance.
  9. Mendeleev predicted more would be found.
  10. the number of protons in an atom.
  11. Sixth group; Third period.
  12. Valence electrons hang out here.
  13. Conservation of mass is a……not just a guideline!
  14. The boundary between metals and nonmetals.
  15. They're organized by # of electron shells.
  16. Nickname for a chemical reaction.
  17. They keep us from falling apart.
  18. The sum of an atom's protons and neutrons.
  19. This type of substance is produced in a chemical reaction.
  20. Where the heavier elements get cooked up.
  21. The tiny numbers in a chemical equation.
  22. Really? Na with Cl? That is so...!
  23. When the reactants get broken into smaller particles.
  24. The type of dots that mean valence electrons.
  25. Would also feel pretty comfortable in a position above Beryllium.
Down
  1. A pattern that is repeated over and over, like weeks in a calendar.
  2. # of Br ions that will easily bond with Magnesium.
  3. Most bonds between nonmetals.
  4. An equation that obeys the law of conservation.
  5. Two energy shells; Three valence electrons.
  6. The attraction between two ions.
  7. He, Ne, Ar, Kr, etc...
  8. Electrons in these bonds are free to roam.
  9. They get rearranged in a chemical reaction.
  10. A negative ion.
  11. These can be changed when balancing equations.
  12. Bromine and Mercury.
  13. When the products are a combination of the reactants.
  14. A positive ion.
  15. A neutron's charge.
  16. Electrons might have more friends if they weren't so...
  17. If we were all covalent maybe we'd be more willing to...
  18. The heaviest natural element.
  19. Valence electrons in a Cesium atom.

44 Clues: A negative ion. • A positive ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Sixth group; Third period. • Most bonds between nonmetals. • The heaviest natural element. • The attraction between two ions. • Valence electrons hang out here. • They keep us from falling apart. • Metals with one valence electron. • ...

Atoms: The Building Block Of Matter 2018-11-26

Atoms: The Building Block Of Matter crossword puzzle
Across
  1. a radioactive form of an element.
  2. occupies space and possesses rest mass, especially as distinct from energy.
  3. law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.
  4. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  5. process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  6. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  7. a strong attractive force between nucleons in the atomic nucleus that holds the nucleus together.
  8. a coherent, typically large body of matter with no definite shape.
  9. the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed.
  10. a substance that is formed as the result of a chemical reaction.
Down
  1. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  2. the total number of protons and neutrons in a nucleus.
  3. a beam of electrons emitted from the cathode of a high-vacuum tube.
  4. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
  5. the basic unit of a chemical element.
  6. when two elements combine in more than one proportion to form two or more compounds the weights of one element that combine with a given weight of the other element are in the ratios of small whole numbers.
  7. a substance that takes part in and undergoes change during a reaction.
  8. a distinct kind of atom or nucleus characterized by a specific number of protons and neutrons.
  9. "father of modern science".
  10. plum pudding model

20 Clues: plum pudding model • "father of modern science". • a radioactive form of an element. • the basic unit of a chemical element. • the total number of protons and neutrons in a nucleus. • a substance that is formed as the result of a chemical reaction. • a coherent, typically large body of matter with no definite shape. • ...

Enzymes 2019-05-23

Enzymes crossword puzzle
Across
  1. organic molecules (coenzymes) (example)
  2. What describes the intensity of heat in the atmosphere or a substance?
  3. Substances that regulate and accelerate the rate of biochemical reactions but are not used up or changed in those reactions are called
  4. Speed of reaction e.g. turnover
  5. What is the perfect temperature, light and moisture for growth and reproduction called?
  6. Provides long term energy storage of sugar in animals
  7. What is the enzyme in the pancreas that digests fat?
  8. What is the digestive enzyme that breaks down proteins into amino acids?
  9. A chemical substance formed as a result of a chemical reaction.
Down
  1. Forms the cell membrane of all cells
  2. 3-carbon "backbone" of a triglyceride
  3. What is the process of breaking down food called?
  4. Occurs when peptide bonds liking amino acids together are broken when water is added to the bond
  5. What is the name for destroying the properties of molecule by heat or acidity?
  6. What is the substance in which an enzyme acts on?
  7. What is the name for all the chemical reactions within the cell?
  8. organic molecules, derived from water soluble vitamins (B1, B2, Niacin), that are needed for the enzyme activity
  9. Proteins are extended, strand like, and stable
  10. What are insoluble in water?
  11. What is the enzyme in your mouth called?
  12. acids Monomer of proteins

21 Clues: acids Monomer of proteins • What are insoluble in water? • Speed of reaction e.g. turnover • Forms the cell membrane of all cells • 3-carbon "backbone" of a triglyceride • organic molecules (coenzymes) (example) • What is the enzyme in your mouth called? • Proteins are extended, strand like, and stable • What is the process of breaking down food called? • ...

Chemistry Crossword 2016-06-01

Chemistry Crossword crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction
  2. The smallest object that retains properties of an element.
  3. A compound of hydrogen and carbon
  4. Biological material derived from living, or recently living organism
  5. The ability to be dissolved
  6. A particle the same sizes as and electron but with no electric charge.
  7. A method of somehow changing one or more chemicals or chemical compounds
  8. Causing a substance to be deposited in solid form from a solution
  9. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  10. The central core of an atom
Down
  1. a particle found in the nucleus of an atom with a positive charge
  2. A process that involves rearrangement of the molecular or ionic structure of a substance
  3. Chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  4. The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water
  5. A substance incapable of being dissolved
  6. Energy stored in the bonds of chemical compounds
  7. a particle with a charge of negative electricity found in all atoms
  8. A liquid or gel which contains ions and can be decomposed by electrolysis
  9. The degree to which a specified material conducts electricity
  10. The substances that result from the recombination are products of the reaction

20 Clues: The ability to be dissolved • The central core of an atom • A compound of hydrogen and carbon • A substance incapable of being dissolved • Energy stored in the bonds of chemical compounds • The smallest object that retains properties of an element. • The degree to which a specified material conducts electricity • ...

Chemistry 2022-02-10

Chemistry crossword puzzle
Across
  1. that which has mass and occupies space
  2. another term for relative molecular mass
  3. a standard or accepted way of doing or making something
  4. an atom or molecule or group that has lost or gained one or more electrons
  5. a close connection joining two or more people
  6. an empirical method of acquiring knowledge
  7. a substance that has been dissolved in another substance
  8. a liquid necessary for the life of most animals and plants
  9. a reaction accompanied by the release of heat.
  10. a chain of atoms in a molecule that forms a closed loop
Down
  1. a very light colorless element that is one of the six inert gasses
  2. a chemical element with the symbol Mg and atomic number 12.
  3. a measurement that shows the number of hydrogen atoms that can combine with one atom of a particular chemical element to make a compound
  4. conforming with the principles or methods used in science
  5. an elementary particle with negative charge
  6. organic compounds containing an amino group and a carboxylic acid group
  7. one of the greatest of the ancient Athenian philosophers
  8. consisting of uncombined atoms rather than molecules.
  9. one of two or more atoms with the same atomic number but with different numbers of neutrons
  10. a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
  11. a reaction accompanied by or requiring the absorption of heat.

21 Clues: that which has mass and occupies space • another term for relative molecular mass • an empirical method of acquiring knowledge • an elementary particle with negative charge • a close connection joining two or more people • a reaction accompanied by the release of heat. • consisting of uncombined atoms rather than molecules. • ...

Science 2024-11-13

Science crossword puzzle
Across
  1. geographic region with common flora and fauna with a singular climate
  2. A secreted or excreted chemical factor that triggers a social response in members of the same species.
  3. the element with atomic number 89
  4. Radiation emitted by the acceleration of unbound charged particles
  5. process of making ammonia
  6. sort of ear problem caused by the damage done by high underwater pressure on the air pocket in the middle ear.
  7. An organic compound with chemical formula CO(NH2)2.
  8. an organism with cells containing a true nucleus
  9. A variant of a particular chemical element.
  10. SI unit for measuring radiation dose
  11. Matter emitting visible light as a result of high temperature
Down
  1. method of separating mixtures by removing the liquid layer from a precipitate.
  2. An inconspicuous appearance adopted by an organism in order to deceive possible predators or prey
  3. representation of a molecule that uses dots to show electrons around atoms and lines to show covalent bonds
  4. A substance that lowers the activation energy of a specific reaction by providing an alternate reaction pathway
  5. species that can both accept and donate a proton or hydrogen ion.
  6. A fold in the inner membrane of a mitochondrion
  7. makes things stick together.
  8. device that converts energy from one form to another.
  9. Stage of cell division when the chromosomes separate to each side of a cell

20 Clues: process of making ammonia • makes things stick together. • the element with atomic number 89 • SI unit for measuring radiation dose • A variant of a particular chemical element. • A fold in the inner membrane of a mitochondrion • an organism with cells containing a true nucleus • An organic compound with chemical formula CO(NH2)2. • ...

Enzyme Crossword Puzzle 2018-01-15

Enzyme Crossword Puzzle crossword puzzle
Across
  1. Substances that the body cannot produce and are needed as coenzymes.
  2. Word that refers to all chemical reactions in the cell (ex. Cell Respiration).
  3. Substance that binds to a site on an enzyme that isn't the active site causing the enzyme to change shape.
  4. A protein that speeds up a specific reaction.
  5. Protein part of a molecule that speeds up specific reactions.
  6. Produces hormones that increase metabolic rate.
  7. Process of an enzyme losing its function and changing shape caused by extreme heat, pH, and other factors.
  8. Reactant that binds to the active site of an enzyme and is transformed into a product.
Down
  1. Substance that is made as a result of a chemical reaction.
  2. Theory that claims enzymes can slightly alter shape to allow a better fit for substrates.
  3. Molecule that occupies the active site blocking the substrate from the enzyme.
  4. Specific hormone that increases metabolic rate.
  5. Required collision force of the first two reactant molecules to start off a reaction.
  6. Theory which states that the substrate perfectly fits with the active site of the enzyme.
  7. Space on the enzyme where a specific substrate fits in.
  8. Non-protein part of a molecule that speeds up specific reactions.

16 Clues: A protein that speeds up a specific reaction. • Specific hormone that increases metabolic rate. • Produces hormones that increase metabolic rate. • Space on the enzyme where a specific substrate fits in. • Substance that is made as a result of a chemical reaction. • Protein part of a molecule that speeds up specific reactions. • ...

Biology Module 6: Chemistry of Life 2 2023-10-09

Biology Module 6: Chemistry of Life 2 crossword puzzle
Across
  1. Made from thousands of smaller molecules
  2. complex macromolecule that stores and communicates genetic information
  3. the specific place where a substrate binds to an enzyme
  4. Minimum amount of energy needed for reactants to form products in a chemical reaction.
  5. Organic compound made of amino acids joined by peptide bonds; primary building block of organisms
  6. Contain one molecule of sugar
  7. a subunit of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogenous base
  8. a large molecule formed from smaller repeating units of identical, or nearly identical, compounds linked by covalent bonds.
  9. Compounds made up of carbon, hydrogen and oxygen in a ratio of 1:2:1
Down
  1. Reactant to which an enzyme binds
  2. A protein that acts as a biological catalyst
  3. Composed of two molecules of sugar bonded together
  4. carbon compound joined by peptide bonds; building block of proteins
  5. hydrophobic biological molecule composed mostly of carbon and hydrogen; examples are fats, oils, and waxes
  6. A compound whose atoms are held together by covalent bonds.
  7. substance that speeds up a chemical reaction by reducing the activation energy but is not itself consumed in the reaction.

16 Clues: Contain one molecule of sugar • Reactant to which an enzyme binds • Made from thousands of smaller molecules • A protein that acts as a biological catalyst • Composed of two molecules of sugar bonded together • the specific place where a substrate binds to an enzyme • A compound whose atoms are held together by covalent bonds. • ...

Energy in reactions 2021-02-08

Energy in reactions crossword puzzle
Across
  1. The substance used up in a reaction
  2. Gas which reacts with hydrogen to make water
  3. A reaction which takes in energy
  4. Particles must do this to react
Down
  1. The substance made in a reaction
  2. The energy needed to start a reaction
  3. A reaction which releases energy
  4. A form of energy released in many chemical reactions

8 Clues: Particles must do this to react • The substance made in a reaction • A reaction which releases energy • A reaction which takes in energy • The substance used up in a reaction • The energy needed to start a reaction • Gas which reacts with hydrogen to make water • A form of energy released in many chemical reactions