chemical reaction Crossword Puzzles

Science Crossword Puzzle 2025-06-15

Science Crossword Puzzle crossword puzzle
Across
  1. A reaction that releases heat
  2. An image formed where light does not actually reach
  3. Plant tissue that transports food
  4. A substance formed as a result of a chemical reaction
  5. Bending of light as it passes through different mediums
  6. Gradual destruction of materials (usually metals)
  7. A point where light rays meet after reflection or refraction
  8. A slow oxidation reaction of iron with water and oxygen
Down
  1. The breakdown of food into smaller components
  2. The process of releasing energy from food
  3. The functional unit of the kidney
  4. A lens that converges light rays
  5. A substance that takes part in and undergoes change during a reaction
  6. Tiny openings in leaves for gas exchange
  7. A surface that reflects light

15 Clues: A reaction that releases heat • A surface that reflects light • A lens that converges light rays • The functional unit of the kidney • Plant tissue that transports food • Tiny openings in leaves for gas exchange • The process of releasing energy from food • The breakdown of food into smaller components • Gradual destruction of materials (usually metals) • ...

Food 2021-09-29

Food crossword puzzle
Across
  1. type of spot in presence of fat
  2. bonds that bond amino acids
  3. chemical symbol Mg
  4. colour change in presence of protein
  5. made from three fatty acids and glycerol
  6. many sugar units joined together
  7. a chemical reaction that combines smaller molecules to make larger molecules
  8. chemical used to test for presence of starch
Down
  1. excess amino acids are sent to the liver for _______
  2. the building blocks of proteins
  3. proteins contain the elements carbon, hydrogen, oxygen and ______________
  4. a disease caused by lac of vitamin C
  5. chemical symbol K
  6. a metabolic role of lipids
  7. an example of a structural polysaccharide
  8. the reducing sugar in food test
  9. an example of a trace element
  10. vitamin D is an example of a ______ soluble vitamin
  11. a type of lipid that is liquid at room temperature

19 Clues: chemical symbol K • chemical symbol Mg • a metabolic role of lipids • bonds that bond amino acids • an example of a trace element • the building blocks of proteins • type of spot in presence of fat • the reducing sugar in food test • many sugar units joined together • a disease caused by lac of vitamin C • colour change in presence of protein • ...

Vocabulary crossword puzzle 2015-11-24

Vocabulary crossword puzzle crossword puzzle
Across
  1. A physical substance that which occupies space
  2. A usually irreversible chemical reaction
  3. The ability of a substance to burn or ignite
  4. amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
  5. A chemical property referring to the ability for a given substance
  6. degree of compactness of a substance
  7. A body's relative mass or the quality of matter contained by it
Down
  1. A feature or quality belonging typically to a person
  2. The force that attracts a body toward the center of the earth
  3. A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
  4. The curved upper surface in a tube
  5. The quality of something that can be shaped into something else without breaking
  6. A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  7. A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
  8. usually reversible change in the physical properties of a substance,as size or shape
  9. A tendency to do nothing or to remain unchanged
  10. A measure of how much matter is in an object
  11. amount of space that a substance or object occupies
  12. The SI unit of force

19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...

Periodic table 2023-08-25

Periodic table crossword puzzle
Across
  1. : are good sources of heat and electricity
  2. : Nonmetals are generally not
  3. : Metallic elements are typically
  4. : Number : On a square, above the chemical symbol
  5. : the most powerful tool in chemical information
  6. : One or two letter chemical
  7. : You can find them on the
  8. : Each element is represented by one
  9. : Each element has a unique number of
  10. : What makes a periodic table really invaluable
Down
  1. : Nonmetals are generally not good_____ of heat or electricity
  2. : It is found on the upper right of the periodic table
  3. : You can predict a lot about the chemical
  4. : This is in between Metal and Nonmetal
  5. : Atoms are listed in order of increasing
  6. : It is found on the upper left of the periodic table
  7. : Most elements are
  8. :The 7 horizontal rows is called.

18 Clues: : Most elements are • : You can find them on the • : One or two letter chemical • : Nonmetals are generally not • : Metallic elements are typically • :The 7 horizontal rows is called. • : Each element is represented by one • : Each element has a unique number of • : This is in between Metal and Nonmetal • : Atoms are listed in order of increasing • ...

kadince smith chapter 13 mr.burkholder physical science 2019-03-07

kadince smith chapter 13 mr.burkholder physical science crossword puzzle
Across
  1. is a chemical that accepts a hydrogen
  2. a substance that lowers the activation energy
  3. no atoms are gained or lost during any reaction
  4. when reaction and its reverse act the same rate
  5. single displacement
Down
  1. there is a net release of energy
  2. there is a net absorption of energy
  3. a chemical that donates a hydrogen ion
  4. synthesis
  5. decomposition

10 Clues: synthesis • decomposition • single displacement • there is a net release of energy • there is a net absorption of energy • is a chemical that accepts a hydrogen • a chemical that donates a hydrogen ion • a substance that lowers the activation energy • no atoms are gained or lost during any reaction • when reaction and its reverse act the same rate

Chemical Equations 2021-12-03

Chemical Equations crossword puzzle
Across
  1. Substances after a chemical reaction
  2. When the identity changes
  3. Equation where no matter has been created
  4. Substance made up of only one type of atom
  5. The symbol for this element is Fe
  6. The symbol for this element is Au
Down
  1. Only the shape, size or form changes
  2. of mass Says that matter can't be made
  3. Substances before a chemical reaction
  4. Everything is made of this

10 Clues: When the identity changes • Everything is made of this • The symbol for this element is Fe • The symbol for this element is Au • Only the shape, size or form changes • Substances after a chemical reaction • Substances before a chemical reaction • of mass Says that matter can't be made • Equation where no matter has been created • Substance made up of only one type of atom

Science Chemical reactions 2021-04-19

Science Chemical reactions crossword puzzle
Across
  1. smallest unit of matter
  2. positive charge; located in the nucleus
  3. after a chemical reaction(on the left side)
  4. different on each side
  5. located in the middle of a atom
Down
  1. same on each side
  2. anything that takes up space with weight
  3. before a chemical reaction(on the right side)
  4. neutral charge; located in the nucleus
  5. negative charge; located in the "rings" outside of the nucleus

10 Clues: same on each side • different on each side • smallest unit of matter • located in the middle of a atom • neutral charge; located in the nucleus • positive charge; located in the nucleus • anything that takes up space with weight • after a chemical reaction(on the left side) • before a chemical reaction(on the right side) • ...

Chemistry crossword 2023-01-13

Chemistry crossword crossword puzzle
Across
  1. non metals only
  2. new substances produces in a chemical reaction
  3. has the symbol K
  4. ions that are negatively charged
  5. metal+non metal
  6. substances that react together in a chemical reaction
Down
  1. small numbers at the base of larger letters that tell you how many atoms of these elements are in a compound
  2. ions that are positively charged
  3. has atomic mass of 27.0
  4. a charged ion

10 Clues: a charged ion • non metals only • metal+non metal • has the symbol K • has atomic mass of 27.0 • ions that are positively charged • ions that are negatively charged • new substances produces in a chemical reaction • substances that react together in a chemical reaction • ...

Chemical Handling 2012-05-25

Chemical Handling crossword puzzle
Across
  1. the number of routes of entry chemicals can enter your body
  2. a health effect after chronic exposure to silica dust
  3. test a test to be conducted prior to wearing a respirator
  4. A reaction to exposure that happens over years is called ________
  5. how long you need to rinse your eyes in eye wash station
Down
  1. a form of PPE that can protect your hands
  2. a reaction to chemical exposure
  3. a form of PPE that can protect you from breathing exposures
  4. glasses a form of PPE that can protect your eyes
  5. A reaction to exposure that occurs immediately is called ______
  6. gloves made from this material do not protect against chemicals
  7. A required information sheet on where to find chemical information

12 Clues: a reaction to chemical exposure • a form of PPE that can protect your hands • glasses a form of PPE that can protect your eyes • a health effect after chronic exposure to silica dust • how long you need to rinse your eyes in eye wash station • test a test to be conducted prior to wearing a respirator • the number of routes of entry chemicals can enter your body • ...

Toxins (II) Crossword 2025-03-13

Toxins (II) Crossword crossword puzzle
Across
  1. a solution where no more can be dissolved.
  2. the part of a mass in a whole chemical.
  3. solid formed when a chemical reaction occurs.
  4. the ability of a chemical to dissolve in water.
  5. unable to dissolve in water.
Down
  1. a solution that can dissolve more chemicals.
  2. the chemical being dissolved.
  3. a solution that has extra chemicals in the container.
  4. the chemical that dissolves a chemical.
  5. able to be dissolved in water.
  6. a positively or negatively charged substance.

11 Clues: unable to dissolve in water. • the chemical being dissolved. • able to be dissolved in water. • the part of a mass in a whole chemical. • the chemical that dissolves a chemical. • a solution where no more can be dissolved. • a solution that can dissolve more chemicals. • solid formed when a chemical reaction occurs. • a positively or negatively charged substance. • ...

Biology Ch. 6 2022-01-18

Biology Ch. 6 crossword puzzle
Across
  1. Compound in which the atoms are held together by covalent bonds
  2. An Electrical attraction between two oppositely charged atoms or groups of atoms called ions
  3. Particles that have no charge
  4. Building blocks of matter
  5. Substance that lowers the activation energy needed to start a chemical reaction
  6. The substances formed during the reaction
Down
  1. The process by which atoms or groups of atoms in substances are reorganized into different substances
  2. Center of the atom
  3. Pure substance that cannot be broken
  4. Positively charged particles
  5. Chemical bond that forms when electrons are shared
  6. Negatively charged particles
  7. An atom that has lost or gained one or more electrons
  8. Atoms of the same element that have different numbers of neutrons
  9. The starting substances
  10. Pure substance formed when two or more different elements combine

16 Clues: Center of the atom • The starting substances • Building blocks of matter • Positively charged particles • Negatively charged particles • Particles that have no charge • Pure substance that cannot be broken • The substances formed during the reaction • Chemical bond that forms when electrons are shared • An atom that has lost or gained one or more electrons • ...

Chemical Reactions 2023-01-25

Chemical Reactions crossword puzzle
Across
  1. When atoms change into new substances.
  2. Something made with all the same atoms.
  3. ___ shows the amount and type of atoms in a substance.
  4. Many repeating atoms linked together.
  5. It can cause damage.
  6. A ___ helps us by making something easier to see.
  7. The act of a substance changing from a solid to a liquid.
Down
  1. When a substance changes from liquid to gas.
  2. A substance at the start of a chemical reaction.
  3. Something you can observe from a substance, like the looks or smell.
  4. When atoms join in a specific pattern.
  5. The relative size of things.
  6. To move around things or change the position.
  7. A substance after a chemical reaction.
  8. Adding ___ to the soil helps plants grow.
  9. Microscopic pieces that make up everything.

16 Clues: It can cause damage. • The relative size of things. • Many repeating atoms linked together. • When atoms change into new substances. • When atoms join in a specific pattern. • A substance after a chemical reaction. • Something made with all the same atoms. • Adding ___ to the soil helps plants grow. • Microscopic pieces that make up everything. • ...

Reactions and Energy 2021-02-22

Reactions and Energy crossword puzzle
Across
  1. the gate that lets substances in and out of a cell
  2. A slow chemical reaction where oxygen reacts with metal
  3. the protective outside layer of a cell
  4. A substance that can burn to release energy
  5. A reaction between fuel and oxygen that creates energy
Down
  1. an attractive force that holds two atoms together
  2. a simple sugar made of carbon, hydrogen and oxygen
  3. groups of atoms bonded together
  4. the result of a chemical reaction

9 Clues: groups of atoms bonded together • the result of a chemical reaction • the protective outside layer of a cell • A substance that can burn to release energy • an attractive force that holds two atoms together • a simple sugar made of carbon, hydrogen and oxygen • the gate that lets substances in and out of a cell • A reaction between fuel and oxygen that creates energy • ...

Blade Walker Chapter 13 2021-02-25

Blade Walker Chapter 13 crossword puzzle
Across
  1. generated by oxidation reduction
  2. there is a net release
  3. a chemical that accepts a hydrogen
  4. there is a net absorption of energy
Down
  1. no atoms are gained or lost during any reaction
  2. the anode where oxidation occurs.
  3. the cathcode where reduction occurs
  4. used in batteries and fuel cells
  5. lowers the activation which makes the reaction happen faster
  6. a chemical that donates a hydrogen atom

10 Clues: there is a net release • used in batteries and fuel cells • generated by oxidation reduction • the anode where oxidation occurs. • a chemical that accepts a hydrogen • the cathcode where reduction occurs • there is a net absorption of energy • a chemical that donates a hydrogen atom • no atoms are gained or lost during any reaction • ...

Chemical and Physical Changes 2025-11-17

Chemical and Physical Changes crossword puzzle
Across
  1. a sign of chemical change
  2. Cutting Paper is a_____________________________
  3. the smallest particle of an element is a _______________
  4. something that is formed after a change is a ___________________________________
Down
  1. a process that
  2. a sign of a physical change is___________________________
  3. Ingredients that go into a reaction
  4. how a substance acts with other substances
  5. Burning wood to ash is a ___________________________
  6. a substance at the end of a chemical reaction

10 Clues: a process that • a sign of chemical change • Ingredients that go into a reaction • how a substance acts with other substances • a substance at the end of a chemical reaction • Cutting Paper is a_____________________________ • Burning wood to ash is a ___________________________ • the smallest particle of an element is a _______________ • ...

AP Bio Unit 3 Vocabulary 2022-12-09

AP Bio Unit 3 Vocabulary crossword puzzle
Across
  1. the study of the transformation of energy in living organisms.
  2. A series of chemical reactions that occurs as part of the dark reactions of photosynthesis
  3. an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids.
  4. require energy input to take simple, low energy reactants and build complex, high energy products.
  5. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  6. a multi-subunit pigment-protein complex found in thylakoid membranes of oxygenic photosynthetic organisms, including cyanobacteria, algae, and plants
  7. each of the partial partitions in a mitochondrion formed by infolding of the inner membrane.
  8. the sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, consuming oxygen, producing carbon dioxide and water as waste products, and converting ADP to energy-rich ATP.
  9. A chemical reaction having a common intermediate in which energy is transfered from one side of the reaction to the other.
  10. nicotinamide adenine dinucleotide (NAD) + hydrogen (H)
  11. the enzyme that incorporates CO2 into plants during photosynthesis
  12. the breaking down of sugar molecules into simpler compounds to produce substances
  13. plays a vital role in normal hemostasis and thrombosis
  14. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
  15. energy which a body possesses by virtue of being in motion.
  16. a class of oxygen-containing carotenoid pigments
  17. a thermodynamic quantity equal to the enthalpy (of a system or process) minus the product of the entropy and the absolute temperature.
  18. any of a number of compounds consisting of heme bonded to a protein. Cytochromes function as electron transfer agents in many metabolic pathways, especially cellular respiration.
  19. the process by which inorganic carbon from the atmosphere is assimilated into living organisms and converted into organic compounds.
  20. the source of energy for use and storage at the cellular level
  21. a region on an enzyme that binds to a protein or other substance during a reaction.
  22. set up in a mitochondria membrane, where the proton concentration is higher outside the inner membrane than inside the membrane.
  23. a model for enzyme–substrate interaction to describe that the substrate is capable of inducing the proper alignment of the active site of the enzyme, causing the latter to subsequently perform its catalytic function.
  24. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume.
  25. the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  26. any coloured material found in a plant or animal cell
  27. a redox-active coenzyme associated with various proteins, which is involved with several enzymatic reactions in metabolism
  28. a 2-oxo monocarboxylic acid anion that is the conjugate base of pyruvic acid,
  29. a metabolic process by which glucose or other six-carbon sugars (also, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are converted into cellular energy and the metabolite lactate, which is lactic acid in solution.
  30. a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.
  31. The cavity or channel within a tube or tubular organ such as a blood vessel or the intestine.
  32. reducing agent produced by the light reactions of photosynthesis
  33. inhibition of an enzyme controlling an early stage of a series of biochemical reactions by the end product when it reaches a critical concentration.
  34. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  35. the division of something into sections or categories.
  36. nicotinamide adenine dinucleotide phosphate hydrogen
  37. a type of behavior where a number of seemingly independent components of a system act collectively, in unison or near-unison.
  38. a protein that catalyzes the formation of the energy storage molecule adenosine triphosphate (ATP) using adenosine diphosphate (ADP)
  39. a reaction in which electrons are added to a compound;
Down
  1. a class of more than 750 naturally occurring pigments synthesized by plants, algae, and photosynthetic bacteria
  2. organic compounds required by many enzymes for catalytic activity
  3. the site of the light-dependent reactions of photosynthesis with the photosynthetic pigments embedded directly in the membrane
  4. an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin
  5. a chemical reaction in which energy is being used in the overall reaction, making the reaction non-spontaneous and thermodynamiacally unfavorable.
  6. a type of chemical reaction in which molecules are split into smaller by absorbing light.
  7. the chemical processes that occur within a living organism in order to maintain life.
  8. The cells and tissues that support and give structure to organs, glands, or other tissues in the body.
  9. an organic substance that is involved in photosynthesis, notably as the principal CO 2 acceptor in plants
  10. a graph that shows the absorbance of different wavelengths of light by a particular pigment
  11. The movement of ions across a selectively permeable membrane, down their electrochemical gradient.
  12. the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
  13. any member of the most important class of pigments involved in photosynthesis,
  14. the mitochondrion internal spaces enclosed by the inner membrane.
  15. the type of respiration through which cells can break down sugars to generate energy in the absence of oxygen.
  16. The movement of ions across a selectively permeable membrane, down their electrochemical gradient
  17. involves the investment of two ATP molecules and results in the formation of two molecules of glyceraldehyde phosphate..
  18. the removal or elimination of carboxyl from a molecule.
  19. The complete range of all types of radiation that has both electric and magnetic fields and travels in waves.
  20. the breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism.
  21. the tendency of an atom participating in a covalent bond to attract the bonding electrons
  22. the synthesis of complex molecules in living organisms from simpler ones together with the storage of energy; constructive metabolism.
  23. the product of the Calvin cycle
  24. A process in which glucose (sugar) is partially broken down by cells in enzyme reactions that do not need oxygen
  25. High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain.
  26. a cluster of proteins that transfer electrons through a membrane to create a gradient of protons
  27. a reaction that releases free energy in the process of the reaction.
  28. a central metabolic coenzyme/cosubstrate involved in cellular energy metabolism and energy production
  29. a type of chemical reaction that involves a transfer of electrons between two species
  30. A molecule that can accept and donate electrons from and to various enzymes.
  31. A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance.
  32. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
  33. Sites different from the active site of an enzyme where a molecule can bind and change the shape of the active site
  34. a substance (other than the substrate) whose presence is essential for the activity of an enzyme.
  35. stage in cellular respiration that “links” two other stages
  36. a quantum of radiant energy with a visible wavelength.

75 Clues: the product of the Calvin cycle • a class of oxygen-containing carotenoid pigments • nicotinamide adenine dinucleotide phosphate hydrogen • any coloured material found in a plant or animal cell • nicotinamide adenine dinucleotide (NAD) + hydrogen (H) • plays a vital role in normal hemostasis and thrombosis • a quantum of radiant energy with a visible wavelength. • ...

Thermochemistry 2020-05-01

Thermochemistry crossword puzzle
Across
  1. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
  2. the energy in a system that is available for work; a system's capacity to do useful work
  3. measures the energy absorbed or released as heat in a chemical or physical change
  4. the quantity of energy transferred as heat during a chemical reaction
  5. a measure of the degree of randomness of the particles, such as molecules, in a system
  6. energy of motion, energy being used
  7. heat transfer by currents in the air or water
  8. heat transfer by touch
  9. heat transfer by electromagnetic energy
Down
  1. a reaction that releases heat into its surroundings and feel warm
  2. an equation that includes the quantity of energy released or absorbed as heat during the reaction as written
  3. the SI unit of heat as well as all other forms of energy
  4. a reaction that takes in energy from its surroundings and feels cold
  5. the amount of energy required to raise the temperature of one gram of a substance by one kelvin

14 Clues: heat transfer by touch • energy of motion, energy being used • heat transfer by electromagnetic energy • heat transfer by currents in the air or water • the SI unit of heat as well as all other forms of energy • a reaction that releases heat into its surroundings and feel warm • a reaction that takes in energy from its surroundings and feels cold • ...

Thermochemistry 2020-05-01

Thermochemistry crossword puzzle
Across
  1. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
  2. the energy in a system that is available for work; a system's capacity to do useful work
  3. measures the energy absorbed or released as heat in a chemical or physical change
  4. the quantity of energy transferred as heat during a chemical reaction
  5. a measure of the degree of randomness of the particles, such as molecules, in a system
  6. energy of motion, energy being used
  7. heat transfer by currents in the air or water
  8. heat transfer by touch
  9. heat transfer by electromagnetic energy
Down
  1. a reaction that releases heat into its surroundings and feel warm
  2. an equation that includes the quantity of energy released or absorbed as heat during the reaction as written
  3. the SI unit of heat as well as all other forms of energy
  4. a reaction that takes in energy from its surroundings and feels cold
  5. the amount of energy required to raise the temperature of one gram of a substance by one kelvin

14 Clues: heat transfer by touch • energy of motion, energy being used • heat transfer by electromagnetic energy • heat transfer by currents in the air or water • the SI unit of heat as well as all other forms of energy • a reaction that releases heat into its surroundings and feel warm • a reaction that takes in energy from its surroundings and feels cold • ...

Science Review Topic 1-3! By Patrick + Lucas 2013-12-09

Science Review Topic 1-3! By Patrick + Lucas crossword puzzle
Across
  1. ultraviolet light can cause this _________
  2. The transfer of radiant energy
  3. The form of energy that you can see
  4. allowing all light to pass through in a straight line
  5. Line perpendicular to a surface
  6. Light making its own light
  7. Light made by chemical reaction inside the bodies of living creatures
  8. the angle between the normal line and the reflected ray
  9. Material that blocks light, preventing light to pass through
  10. a picture that light makes
  11. allowing some light to pass, but is scattered from its straight path
  12. a single line of light that is generated by a light source
Down
  1. the “bending” of light when it travels from 1 medium to another
  2. Example of an artificial light source
  3. chemical reaction that makes light without heat
  4. reflects almost all the light but absorbs some
  5. Light that leaves the sun goes through a process called ____________
  6. the light that strikes a reflecting or refracting object

18 Clues: Light making its own light • a picture that light makes • The transfer of radiant energy • Line perpendicular to a surface • The form of energy that you can see • Example of an artificial light source • ultraviolet light can cause this _________ • reflects almost all the light but absorbs some • chemical reaction that makes light without heat • ...

photosynthesis and respiration 2019-12-02

photosynthesis and respiration crossword puzzle
Across
  1. CO2
  2. does not require oxygen
  3. process in which the cells of an organism obtain energy by combining oxygen and glucose.
  4. supply ATP and is responsible for the generation of most cells.
  5. C6H12O6
  6. reaction in photosynthesis that requires light.
  7. H2O
  8. requiring oxygen
  9. also called citric acid cycle
  10. an anaerobic process
  11. makes muscles sore
Down
  1. arranged in stacks.
  2. the process in which one glucose molecule is broken down to form two molecules of pyruvic acid.
  3. "cytoplasm" in the chloroplast
  4. long chains of chemical reactions
  5. where photosynthesis takes place.
  6. passing electrons
  7. alcohol made by fermentation.
  8. example of a light-independent reaction.
  9. adenosine triphosphate.
  10. the process where plant cells take in water and carbon dioxide and makes glucose.
  11. O2

22 Clues: O2 • CO2 • H2O • C6H12O6 • requiring oxygen • passing electrons • makes muscles sore • arranged in stacks. • an anaerobic process • does not require oxygen • adenosine triphosphate. • alcohol made by fermentation. • also called citric acid cycle • "cytoplasm" in the chloroplast • long chains of chemical reactions • where photosynthesis takes place. • example of a light-independent reaction. • ...

photosynthesis and respiration 2019-11-25

photosynthesis and respiration crossword puzzle
Across
  1. requiring oxygen
  2. where photosynthesis takes place.
  3. alcohol made by fermentation.
  4. CO2
  5. arranged in stacks.
  6. reaction in photosynthesis that requires light.
  7. H2O
  8. supply ATP and is responsible for the generation of most cells.
Down
  1. example of a light-independent reaction.
  2. O2
  3. long chains of chemical reactions
  4. C6H12O6
  5. "cytoplasm" in the chloroplast
  6. the process where plant cells take in water and carbon dioxide and makes glucose.
  7. passing electrons
  8. the process in which one glucose molecule is broken down to form two molecules of pyruvic acid.
  9. does not require oxygen
  10. also called citric acid cycle
  11. an anaerobic process
  12. makes muscles sore
  13. adenosine triphosphate.
  14. process in which the cells of an organism obtain energy by combining oxygen and glucose.

22 Clues: O2 • CO2 • H2O • C6H12O6 • requiring oxygen • passing electrons • makes muscles sore • arranged in stacks. • an anaerobic process • does not require oxygen • adenosine triphosphate. • also called citric acid cycle • alcohol made by fermentation. • "cytoplasm" in the chloroplast • long chains of chemical reactions • where photosynthesis takes place. • example of a light-independent reaction. • ...

Chemistry 2024-11-12

Chemistry crossword puzzle
Across
  1. - Substance with a pH below 7
  2. - Biological catalyst
  3. - Positively charged particle in an atom’s nucleus
  4. - Particle with no charge in an atom’s nucleus
  5. - Speeds up a chemical reaction without being consumed
  6. - Substance with a pH above 7
  7. - Atom or molecule with an electric charge
  8. - State of balance in a reversible reaction
  9. - Atoms of the same element with different numbers of neutrons
  10. - Substance made of two or more elements
Down
  1. - Smallest unit of an element
  2. - Substance made of one type of atom
  3. - Negatively charged particle in an atom
  4. - Liquid in which a solute dissolves
  5. - Scale to measure acidity or basicity
  6. - Process that changes substances into new substances
  7. - Group of atoms bonded together
  8. - Homogeneous mixture of two or more substances
  9. - Mixture of two or more metals
  10. - Force that holds atoms together

20 Clues: - Biological catalyst • - Substance with a pH below 7 • - Smallest unit of an element • - Substance with a pH above 7 • - Mixture of two or more metals • - Group of atoms bonded together • - Force that holds atoms together • - Substance made of one type of atom • - Liquid in which a solute dissolves • - Scale to measure acidity or basicity • ...

1075 2025-11-16

1075 crossword puzzle
Across
  1. Splitting of NMR peaks by neighbors
  2. Part of molecule absorbing light
  3. Technique identifying molecular mass
  4. Reaction adding halogen atoms
  5. Step ending radical reaction
  6. Study of interaction with light
  7. Addition of hydrogen to unsaturated bonds
  8. Emission of light after excitation
  9. Adding sulfonic acid group to aromatic ring
  10. Delayed light emission after excitation
  11. Step forming radicals
  12. Used to detect conjugated systems
  13. Decomposition by light
Down
  1. Graph showing energy interactions
  2. Introducing nitro group to aromatic ring
  3. NMR peak position indicator
  4. Step sustaining chain reaction
  5. Area under NMR peak showing quantity
  6. Species with unpaired electron
  7. Cleavage of alkenes using ozone
  8. Detects carbon environment in molecule
  9. Used to identify functional groups
  10. Study of chemical reactions involving light
  11. NMR used for structure determination
  12. Detects hydrogen environment in molecule

25 Clues: Step forming radicals • Decomposition by light • NMR peak position indicator • Step ending radical reaction • Reaction adding halogen atoms • Step sustaining chain reaction • Species with unpaired electron • Cleavage of alkenes using ozone • Study of interaction with light • Part of molecule absorbing light • Graph showing energy interactions • Used to detect conjugated systems • ...

Physical and Chemical change 2018-11-29

Physical and Chemical change crossword puzzle
Across
  1. cloud/ the area around the nucleus where the electrons move.
  2. change which produces a new substance.
  3. up the
  4. chemical transformation
  5. 2 different type of elements bonded together.
  6. substance.
Down
  1. Properties/ can be observed
  2. anything that takes up space
  3. Properties/ observations made and measured by performing a reaction / change which produces a new substance.
  4. a distinguishing trait: quality (how it looks, sees, taste, sounds, or feels)
  5. Nucleus/ in the center of the atom which contains the protons+ and the neutrons whose mass
  6. 2 or more atoms bonded together. Those atoms can be the same type or different types of atoms.
  7. smallest size in which matter can be divided. It also is the smallest unit of matter that has the characteristic properties of a chemical element.

13 Clues: up the • substance. • chemical transformation • Properties/ can be observed • anything that takes up space • change which produces a new substance. • 2 different type of elements bonded together. • cloud/ the area around the nucleus where the electrons move. • a distinguishing trait: quality (how it looks, sees, taste, sounds, or feels) • ...

Showing What I Learned: AP Biology Addition 2021-01-07

Showing What I Learned: AP Biology Addition crossword puzzle
Across
  1. the smallest living structure
  2. plants and animals contain these
  3. where electrons are gained or lost
  4. a type of organic molecule, but is not a polymer
  5. set of chemical reactions that release energy from food for use by the cell
  6. a protein that catalyzes chemical reactions
  7. the sum of all of an organisms chemical reactions
  8. breaks down a polymer (water)
Down
  1. makes up plant cell walls
  2. atoms, molecules, cells, then ___
  3. energy storage for animals
  4. how many bonds can carbon form?
  5. spreading out of molecules
  6. a type of nucleic acid
  7. the initial energy used to start a chemical reaction
  8. the process by which gametes are produced for the process of sexual reproduction

16 Clues: a type of nucleic acid • makes up plant cell walls • energy storage for animals • spreading out of molecules • the smallest living structure • breaks down a polymer (water) • how many bonds can carbon form? • plants and animals contain these • atoms, molecules, cells, then ___ • where electrons are gained or lost • a protein that catalyzes chemical reactions • ...

Chemisty Holiday Homework 2022-06-02

Chemisty Holiday Homework crossword puzzle
Across
  1. this reaction likes to do oxidation and reduction both!
  2. what reaction is it when one element takes place of another?
  3. releases heat after the reaction occurs!
  4. do this and your equation is ready!
  5. music speeds up your homework, but what speeds up a chemical reaction?
Down
  1. right side of a chemical equation!
  2. what is it when hydrogen is removed or oxygen is added?
  3. 2 or more reactants results in 1 product!

8 Clues: right side of a chemical equation! • do this and your equation is ready! • releases heat after the reaction occurs! • 2 or more reactants results in 1 product! • what is it when hydrogen is removed or oxygen is added? • this reaction likes to do oxidation and reduction both! • what reaction is it when one element takes place of another? • ...

Chemical Reactions and Equations 2024-05-14

Chemical Reactions and Equations crossword puzzle
Across
  1. during a double displacement reaction, _____ are exchanged
  2. brown gas produced during the decomposition of lead nitrate
  3. CaO + H20 is a ______ reaction (exothermic/endothermic)
  4. substance that speeds up a chemical reaction
Down
  1. common name of calcium hydroxide
  2. an insoluble solid formed during a double displacement reaction
  3. a substance that undergoes a chemical change in a reaction

7 Clues: common name of calcium hydroxide • substance that speeds up a chemical reaction • CaO + H20 is a ______ reaction (exothermic/endothermic) • during a double displacement reaction, _____ are exchanged • a substance that undergoes a chemical change in a reaction • brown gas produced during the decomposition of lead nitrate • ...

vocab set 3 2021-03-16

vocab set 3 crossword puzzle
Across
  1. or chemical compounds
  2. to produce one or more different
  3. An insoluble solid formed from a chemical
  4. Process, Method or means of changing one or more
Down
  1. A substance that takes part in and undergoes
  2. during a chemical reaction
  3. Reaction, The process by which one or more substances
  4. A substance produced during a chemical reaction

8 Clues: or chemical compounds • during a chemical reaction • to produce one or more different • An insoluble solid formed from a chemical • A substance that takes part in and undergoes • A substance produced during a chemical reaction • Process, Method or means of changing one or more • Reaction, The process by which one or more substances

Amplify Chemical Reaction Vocab 2022-04-21

Amplify Chemical Reaction Vocab crossword puzzle
Across
  1. a process in which atoms rearrange to form new substances
  2. the relative size of things
  3. a starting substance that is part of a chemical reaction
  4. an ending substance that is made during a chemical reaction
  5. an object, diagram or computer program that helps us understand something by making it simpler or easier to see
Down
  1. to change the order or position of something
  2. something that is made of all the same atoms or groups of atoms
  3. something that can be observed about a substance, such as its color, smell, or boiling point
  4. the tiny pieces that all matter is made of

9 Clues: the relative size of things • the tiny pieces that all matter is made of • to change the order or position of something • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • something that is made of all the same atoms or groups of atoms • ...

Science Final 2025-05-07

Science Final crossword puzzle
Across
  1. Materials that allow electric current to flow easily (e.g., metals like copper).
  2. The smallest unit of an element that retains its chemical properties.
  3. The distance between two corresponding points on adjacent waves, like crest to crest or trough to trough.
  4. Wave A wave where the disturbance is perpendicular to the direction of wave propagation (e.g., light waves, electromagnetic waves).
  5. Energy Energy associated with motion.
  6. Equation A symbolic representation of a chemical reaction using formulas and symbols.
  7. Law These laws explain the relationship between force, mass, and acceleration
  8. The rate at which an object's velocity changes
  9. The central core of an atom, containing protons and neutrons.
  10. A field is a region of space where a force can act. Gravitational, electric, and magnetic forces are associated with fields that surround objects.
  11. The speed of an object in a specific direction
Down
  1. Materials that resist the flow of electric current (e.g., rubber, plastic).
  2. The starting substances in a chemical reaction.
  3. Electricity The accumulation of electric charge on an object.
  4. The rate at which an object moves
  5. A positively charged subatomic particle found in the nucleus.
  6. Wave A wave that requires a medium to travel through (e.g., sound, water waves).
  7. Circuit: A closed path through which electric current can flow.
  8. Field A force field that surrounds a magnet or electric current.

19 Clues: The rate at which an object moves • Energy Energy associated with motion. • The rate at which an object's velocity changes • The speed of an object in a specific direction • The starting substances in a chemical reaction. • A positively charged subatomic particle found in the nucleus. • The central core of an atom, containing protons and neutrons. • ...

Section 2.5 2021-09-15

Section 2.5 crossword puzzle
Across
  1. It is a classification system that has been developed based on the type of reaction the enzyme catalyzes.
  2. They are involved in electron transfer.
  3. They are catalysts for chemical reactions in living things.
  4. It is a substance that decreases the activation energy needed to start a chemical reaction and, as a result, also increases the rate of the chemical reaction.
  5. It transfers a chemical group from one substance to another.
Down
  1. It is a large protein enzyme molecule that is composed of one or more amino acid chains.
  2. It is a specific reactant that an enzyme act on.
  3. They form double bonds by adding or removing a chemical group.

8 Clues: They are involved in electron transfer. • It is a specific reactant that an enzyme act on. • They are catalysts for chemical reactions in living things. • It transfers a chemical group from one substance to another. • They form double bonds by adding or removing a chemical group. • ...

Chemistry Unit Guide 2016-02-11

Chemistry Unit Guide crossword puzzle
Across
  1. present in a chemical reaction
  2. it's the powerhouse of the atom
  3. has no electric charge
  4. The outermost electron
  5. conductors of electricity
  6. a substance from when two or more chemicals are bonded
  7. the number of protons in an atom
  8. created the periodic table
  9. the mass of an atom
  10. h20
  11. smallest particle in a chemical element
  12. horizontal row of elements on the P.T
  13. column of elements on the P.T
Down
  1. the recombination of atoms
  2. made by Mikhail Lomonsov
  3. chemical reactions that is accompanied by the absorption of heat
  4. not able to conduct electricity or heat well
  5. has a positive charge
  6. makes up matter
  7. any elements in group O
  8. The pattern of an atom
  9. a chemical element in the middle of typical metals and non-metals
  10. releases energy by light or heat
  11. cannot be chemically interconverted or broken down
  12. an outer coating of other metals

25 Clues: h20 • makes up matter • the mass of an atom • has a positive charge • has no electric charge • The outermost electron • The pattern of an atom • any elements in group O • made by Mikhail Lomonsov • conductors of electricity • the recombination of atoms • created the periodic table • column of elements on the P.T • present in a chemical reaction • it's the powerhouse of the atom • ...

Science Vocabulary Unit B Crossword 2015-11-19

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

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

Chemical Equations Vocabulary Practice 2023-11-30

Chemical Equations Vocabulary Practice crossword puzzle
Across
  1. The process of rearranging atoms and bonds to create new molecules.
  2. Found on the right side of a chemical equation. Substances created by a chemical reaction.
  3. The molecules on the left side of a chemical equation. These are at the beginning of the chemical reaction.
  4. "Matter is neither created nor destroyed." It just changes forms
Down
  1. The process of making a chemical reaction have an equal number of atoms/elements in both the products and the reactants.
  2. The large numbers in a chemical reaction. These designate how many of a particular molecule there are.
  3. The small numbers next to an element. These show how many of that element are in the molecule.

7 Clues: "Matter is neither created nor destroyed." It just changes forms • The process of rearranging atoms and bonds to create new molecules. • Found on the right side of a chemical equation. Substances created by a chemical reaction. • The small numbers next to an element. These show how many of that element are in the molecule. • ...

Extra Credit 2022-02-27

Extra Credit crossword puzzle
Across
  1. h2o
  2. where photosynthesis takes place
  3. carries glucose
  4. factory where photosynthesis happens
Down
  1. what is needed for a reaction
  2. comes from the sun
  3. pigment
  4. A process where plants make food
  5. formed in a chemical reaction
  6. lets gases in and out
  7. Distributes water

11 Clues: h2o • pigment • carries glucose • Distributes water • comes from the sun • lets gases in and out • what is needed for a reaction • formed in a chemical reaction • A process where plants make food • where photosynthesis takes place • factory where photosynthesis happens

Chemisty Holiday Homework 2022-06-02

Chemisty Holiday Homework crossword puzzle
Across
  1. this reaction likes to do oxidation and reduction both!
  2. releases heat after the reaction occurs!
  3. do this and your equation is ready!
  4. 2 or more reactants results in 1 product!
Down
  1. what reaction is it when one element takes place of another?
  2. what is it when hydrogen is removed or oxygen is added?
  3. right side of a chemical equation!
  4. music speeds up your homework, but what speeds up a chemical reaction?

8 Clues: right side of a chemical equation! • do this and your equation is ready! • releases heat after the reaction occurs! • 2 or more reactants results in 1 product! • this reaction likes to do oxidation and reduction both! • what is it when hydrogen is removed or oxygen is added? • what reaction is it when one element takes place of another? • ...

Benzenoid aromatics from renewable resources 2024-11-14

Benzenoid aromatics from renewable resources crossword puzzle
Across
  1. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor
  2. a skeletal structure designed to support or enclose something
  3. In a chemical reaction or mechanism, any reacting species which is no longer starting material or reactant, and has not yet become product, and which is not a transition state
  4. a physical transformation from one material or state to another
  5. pertaining to nonaromatic hydrocarbon compounds in which the constituent carbon atoms can be straight-chain, branched chain, or cyclic, as in alicyclic compounds; saturated, as in the paraffins; or unsaturated, as in the olefins and alkynes
Down
  1. Chemical compounds whose main feature is a long chain of carbon atoms bonded to hydrogen atoms
  2. a chemical reaction in which a ferment causes an organic molecule to split into simpler substances, esp the anaerobic conversion of sugar to ethyl alcohol by yeast
  3. the application of heat to chemical compounds in order to cause decomposition
  4. any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve properties because they undergo dehydration with little or no change in crystal structure
  5. a substance that causes or accelerates a chemical reaction without itself being affected
  6. occurs when a reaction that can produce more than one product, prefers one product over another

11 Clues: a skeletal structure designed to support or enclose something • a physical transformation from one material or state to another • the application of heat to chemical compounds in order to cause decomposition • a substance that causes or accelerates a chemical reaction without itself being affected • ...

Chapter 11 - Mixtures, Solutions, and Changes 2021-12-10

Chapter 11 - Mixtures, Solutions, and Changes crossword puzzle
Across
  1. A combination of substances where chemical reactions do not occur.
  2. Atoms link together to form new compounds
  3. A mixture in which atoms of a solid separate and become invisible in a liquid.
Down
  1. Change in size, shape, color, or the state of matter of a substance that does not change it into a different substance
  2. the new substances produced by a chemical reaction
  3. reaction Another name for chemical change; a process during which the atoms rearrange to form products with different properties.
  4. A mixture of a solid and a liquid where the solid does not dissolve.
  5. The original substances at the beginning of a chemical reaction

8 Clues: Atoms link together to form new compounds • the new substances produced by a chemical reaction • The original substances at the beginning of a chemical reaction • A combination of substances where chemical reactions do not occur. • A mixture of a solid and a liquid where the solid does not dissolve. • ...

Chem Crossword! 2021-04-16

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

43 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Fourth group; Third period. • The top of the nobel gasses. • Most bonds between nonmetals. • The heaviest natural element. • Valence electrons hang out here. • The attraction between two ions. • They keep us from falling apart. • ...

Chemistry crossword 2018-11-13

Chemistry crossword crossword puzzle
Across
  1. chlorine
  2. combination of pure substances
  3. substance that reacts with another substances in a chemical reaction to create new substances with different properties
  4. shell orbit of electrons around the nucleus of an atom
  5. a chemical combination of two or more elements in a specific ratio
  6. table a table in which the elements are organized by their physical and chemical properties
  7. cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
  8. neutral particle in the nucleus of an atom
  9. number number of protons in the nucleus of one atom of an element
  10. group 17 elements in the perodic table,the most reactive not metals
  11. metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
Down
  1. a pure substance that cannot be broken down into other substances,made up of only one type of atom
  2. something that has mass and occupies space
  3. group of atoms joined by covalent bonds
  4. homogenous mixture mixture of two or more pure substances that looks like one substance
  5. reaction a reaction that takes place when to or more substances react to form a new substance
  6. change in the appearance or state of a substance that does not change the composition
  7. compound pure substance formed when non-metals combine
  8. positively charged particle in the nucleus of an atom
  9. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
  10. compound pure substance formed when at least one metal and one non metal combine
  11. compound that dissolves in water to form a solution with a ph lower than 7
  12. gases group 18 elements in the periodic table,the most stable and interactive elements

23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • something that has mass and occupies space • neutral particle in the nucleus of an atom • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...

ELL Semester 2- Emily 2016-04-27

ELL Semester 2- Emily crossword puzzle
Across
  1. A place for grinding grain
  2. People from each state to elect the president and the vice president based on the votes of the people
  3. An element that is totally dade of gas that forms molecules because they don’t have full valence shells on their own
  4. A process in which a solid changes directly into gas.
  5. The advanced group in any field
  6. An agreement to pay bail
  7. A chemical substance used to preserve food
  8. A formal agreement between two groups or countries
  9. The number of protons in the nucleus of an atom; the atomic number is same for all atoms of an element.
  10. Someone that does work by physical strength
  11. Offensive or rude
  12. Acting in a way that is not easily upset or excited
  13. A position in a society, organization, or group
  14. A charged particle that forms when an atom or group of atoms gains or loses one or more electrons
  15. A farm in the U.S. for specific kinds of animals
Down
  1. Anyone of the various forms of a chemical element in having the same number of protons in the nucleus, or the same atomic number, but having different number of neutrons in the nucleus or different atomic weight.
  2. A reaction that is accompanied by the absorption of heat, or an generates heat to maintain its temperature
  3. The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule.
  4. A subatomic particle that has no charge and that is found in the nucleus of an atom.
  5. All future generations of people
  6. A substance that shows down or stops a chemical reaction
  7. Doing something that disobeys the rule
  8. To change with a crime done while in office
  9. A substance that changes when it is combined with another substance in chemical reaction
  10. A job or position that is available to be taken

25 Clues: Offensive or rude • An agreement to pay bail • A place for grinding grain • The advanced group in any field • All future generations of people • Doing something that disobeys the rule • A chemical substance used to preserve food • To change with a crime done while in office • Someone that does work by physical strength • A job or position that is available to be taken • ...

Chemistry of Life 2022-10-17

Chemistry of Life crossword puzzle
Across
  1. the attraction of particles of the same substance
  2. compounds that form extra hydroxide ions when dissolved in water
  3. an enzyme that attaches to a substrate
  4. a substance that reacts to prevent pH changes in a solution
  5. a group of atoms held together by covalent bonds
  6. substance made of bonded atoms of two or more different elements
  7. an organic molecule that acts as the main energy source for cell processes
  8. material that contains the information that determines inherited characteristics
  9. a substance made up of atoms with the same number of protons
  10. an atom or group of atoms that have an electric charge because it has gained or lost electrons
  11. molecule that acts as a catalyst in biochemical reactions
  12. another class of biomolecules that include fats, etc
  13. a substance that forms a chemical reaction
  14. the minimum amount of energy required to start a chemical reaction
Down
  1. molecule of amino acids, building blocks that link to form proteins
  2. the outermost level or shell of an atom are called valence electrons
  3. an organic compound that consist of a sugar, a phosphate, and a nitrogenous base
  4. a natural polymer that is present in all living cells and that plays a role in protein synthesis
  5. the reactant in reactions catalyzed by enzymes
  6. a substance or molecule that participates in chemical reaction
  7. an organic compound, whose molecules are made up of one or two chains of nucleotides
  8. the attraction of particles of the same substance
  9. the capacity to do work
  10. a mixture in which ions or molecules of one or more substances are evenly distributed in another substance
  11. compounds that form extra hydronium ions when dissolved in water
  12. the smallest unit of matter that cannot be broken down by chemical means
  13. sugar molecules
  14. measure of how acidic or bacis a solution is

28 Clues: sugar molecules • the capacity to do work • an enzyme that attaches to a substrate • a substance that forms a chemical reaction • measure of how acidic or bacis a solution is • the reactant in reactions catalyzed by enzymes • a group of atoms held together by covalent bonds • the attraction of particles of the same substance • ...

Matter 2024-04-09

Matter crossword puzzle
Across
  1. The types of elements that make up a substance.
  2. A structure whose subunits occur in a constant ratio and are arranged in a repeating pattern.
  3. A type of test that medical scientists perform to assess a medicine's effectiveness.
  4. A unique particle of matter that is a fundamental building block of matter.
  5. Data that can be used to support a scientific claim or argument.
  6. The mass of a single atom.
  7. The requirements that must be met for an engineering solution to be successful.
  8. A solid structure whose atoms or molecules are arranged in a repeating three-dimensional pattern.
  9. A representation of an object which makes important aspects easier to see.
  10. An individua particle of an element.
  11. Matter that has a constant chemical composition and characteristics.
  12. On a scale that people can see with their eyes.
  13. A property that describes the mass of a certain volume of matter.
  14. A type of extended structure that is made of many smaller, repeating subunits in a chain.
Down
  1. The connection between atoms in more complex particles.
  2. The specific way in which the bonds and atoms are arranged within the molecules of a substance.
  3. A limitation on the range of possible solutions to a design.
  4. A shorthand notation of one, two, or three letters that represent the name of the element.
  5. A new substance that forms during a chemical reaction.
  6. The process in which one or more new substances form from one or more other substances.
  7. A substance that exists before a chemical reaction takes place and changes as a result of the reaction.
  8. A property that describes how well one substance dissolves in another substance.
  9. A group of two or more atoms that are held together by chemical bonds.
  10. The amount of matter in an object or sample.
  11. A characteristic of matter.

25 Clues: The mass of a single atom. • A characteristic of matter. • An individua particle of an element. • The amount of matter in an object or sample. • The types of elements that make up a substance. • On a scale that people can see with their eyes. • A new substance that forms during a chemical reaction. • The connection between atoms in more complex particles. • ...

Matter & Its Changes CW 1 2022-09-28

Matter & Its Changes CW 1 crossword puzzle
Across
  1. Characteristics of matter that can be used to identify substances.
  2. Substances that are combined to form products in a chemical reaction.
  3. the particles in a solid _______, or move back and forth, in a fixed place
  4. A substance that speeds up a chemical reaction.
  5. change from a gas to a solid
  6. the result of oxygen in the air reacting with the iron and causing erosion
  7. change from a liquid to solid
  8. the formula to calculate the density of a substance
  9. degrees Celsius for the boiling point water, at sea level
  10. the ability for metal to be hammered, pressed or rolled into thin sheets
  11. anything that has mass and takes up space
  12. change from a liquid to a gas
  13. the amount of mass a material has in a given volume
  14. degrees Celsius for the freezing point of water, at sea level
  15. the temperature at which a liquid becomes a gas
  16. has indefinite shape but definite volume
  17. has indefinite shape and indefinite volume
Down
  1. the number of states of matter
  2. a characteristic of a material that you can observe or measure without changing the material
  3. a change in the identity of a substance due to the chemical properties of that substance
  4. law that states the mass of what you end with is always the same as the mass of what you start with
  5. the shine of a metal
  6. any characteristic that gives a substance the ability to undergo a change that results in a new substance
  7. a change where the physical properties of a substance change but the substance does not change
  8. change from a solid to a liquid
  9. the ability for metal to be drawn into wires
  10. The result of substances being combined in a chemical reaction.
  11. the temperature at which a solid becomes a liquid
  12. has a definite shape and definite volume
  13. change from a solid to a gas

30 Clues: the shine of a metal • change from a gas to a solid • change from a solid to a gas • change from a liquid to solid • change from a liquid to a gas • the number of states of matter • change from a solid to a liquid • has a definite shape and definite volume • has indefinite shape but definite volume • anything that has mass and takes up space • ...

Chemistry Study Guide 2024-06-12

Chemistry Study Guide crossword puzzle
Across
  1. n=1 is the ___ energy shell
  2. in a(n) ___, each substance maintains its own properties and composition
  3. atoms are made up of three ___ ___; electrons, protons and neutrons
  4. the base unit of measurement for temperature
  5. ___ properties depend on sample size, ex: shape, volume, mass
  6. electrons ___ energy when they decay and fall to more stable units
  7. the closeness of a measurement to the true value
  8. matter composed of two or more elements that can be separated
  9. the oxidation ___ increases when an element loses electrons
  10. a chemical property defined by a substance's ability to harm an organism
  11. two or more atoms covalently bonded
  12. ___ forces: the attraction between molecules
  13. a chemical property defined by the readiness of a chemical to change
  14. when naming compounds, a(n) ___ is used to represent the subscript of an element in a covalent bond
  15. a chemical property defined by how much heat is given off when a substance burns
  16. the electron geometry of a compound with one or two domains
  17. the ___ represents where electrons could be within an atom
  18. the result of a permanent dipole
  19. different substances are chemically ___ in compounds but not in mixtures
  20. the ___ agent is reduced in a redox reaction
  21. ___-___ forces: attraction between polar molecules/ permanent dipole
  22. ___-___ forces: attraction between an ion and a polar molecule
  23. ___ dipole: when electrons are temporarily more concentrated in one place
  24. observable events or occurrences
  25. anything that has mass or takes up space
  26. the ___ agent is oxidized in a redox reaction
  27. the only chemical reaction that cannot be redox
  28. a type of nuclear reaction where two nuclei are combined
  29. ___ bonds don't belong to any one location
  30. the base unit of measurement for time
  31. ___ molecule: composed of only two atoms covalently bonded
  32. ___ ___ forces: temporary attraction between nonpolar molecules or noble gas
  33. an ion made of more than one nonmetal but with only one type of charge (ends in -ite or -ate)
  34. the U.S. ___ System is used by the United States and two other countries
  35. a type of nuclear reaction where a nucleus is split
  36. measures the force of gravity on an object
  37. bonding between H and N, O or F
  38. metals that contain one kind of cation
  39. a molecule will have a permanent dipole if the molecular arrangement is ___
  40. it consists of one single element or type of compound
  41. electrons ___ energy when they are energized and jump to higher orbits
  42. ___ forces: the attraction between atoms
  43. when an element gains electrons in a redox reaction
  44. ___ properties don't depend on sample size, ex: magnetism, melting points, density
  45. the ___ System of Units is the primary system used by scientists and includes the 7 base units of measurement
  46. ___ change: matter moving into different phases without the matter itself changing
  47. the ___ System is based to the power of 10
Down
  1. the electron geometry of a compound with four domains
  2. the base unit of measurement for mass/weight
  3. a gas changing to a solid
  4. in a heterogeneous mixture, compounds are mixed ___ within the substance
  5. a(n) ___ bond is between a metal (cation) and a nonmetal (anion)
  6. Alkali metals are extremely ___
  7. the molecular shape of a compound with three bonded atoms and 1 lone electron pair
  8. a solid changing to a gas
  9. when an element loses electrons in a redox reaction
  10. every atom is described by four ___ ___
  11. the result of an instantaneous or induced dipole
  12. ___ change: when the molecular structure of a substance is changed
  13. a model of an atom that can determine the polarity of a molecule
  14. a substance that cannot be broken down
  15. a(n) ___ bond is between two nonmetals
  16. a separation of positive and negative charges
  17. two different elements ionically bonded (ends in -ide)
  18. measures the amount of matter an object has
  19. ___ science investigates and explains natural phenomena
  20. a chemical property defined by the irreversible damage of a material due to a chemical reaction
  21. ___ reactions produce energy by changing elements' identities
  22. a basic particle representing a quantum of energy (E)
  23. ___ radiation: a form of light that that moves in a wavelike motion
  24. ___ dipole: a polar molecule repels an atom's or nonpolar molecule's electrons
  25. l represents the ___ ___ quantum number
  26. a(n) ___ reaction involves the transfer of electrons
  27. a chemical property defined by the ability of a compound to be broken down into elements or other compounds
  28. the molecular shape of a compound with two bonded atoms and two lone electron pairs
  29. ___ observations are verified by experimentation or experience rather than theory
  30. carbon-14 is a(n) ___ of carbon
  31. ice floats in water because ice is less ___ than water
  32. fission is ___ powerful than fusion
  33. ___ forces: the weakest of all molecular interactions (A.K.A Van der Waal's Forces)
  34. the the tendency of an atom to attract electrons
  35. the consistency of a set of measurements
  36. the electron geometry of a compound with three domains
  37. ___ dipole: occurs when two atoms in a molecule have vary different electronegativities. One atom attracts electrons more than another, becoming more -, while the other atom becomes more +
  38. measures the amount of space and object occupies, ex: gallons, fluid ounces, liters
  39. the net charge within a molecule
  40. the base unit of measurement for length
  41. a chemical property defined by how easily a substance can light on fire
  42. in a homogeneous mixture, compounds are mixed ___ within the substance
  43. mass is not affected by ___, but weight is
  44. the base unit of measurement for volume

91 Clues: a gas changing to a solid • a solid changing to a gas • n=1 is the ___ energy shell • Alkali metals are extremely ___ • carbon-14 is a(n) ___ of carbon • bonding between H and N, O or F • the result of a permanent dipole • observable events or occurrences • the net charge within a molecule • two or more atoms covalently bonded • fission is ___ powerful than fusion • ...

Exam 2 Crossword 2024-03-12

Exam 2 Crossword crossword puzzle
Across
  1. The enzyme that removes a phosphate group from GTP turning it back into GDP
  2. The energy of motion
  3. The breakdown of molecules into simpler units is what type of process?
  4. The pigment present in green plants that is required for photosynthesis
  5. Transverse channels in plant cells that allow for the facilitation of movement of molecules and allow for communication between cells
  6. The region of an enzyme that binds the substrate and allows for the chemical reaction to occur
  7. Step of the signaling pathway that is associated with a change, examples include, movement, cell division, or secretion
  8. The biochemical reaction that is associated with an absorption of energy, the products consist of a greater level of energy compared to the reactants
Down
  1. The step that allows for a protein kinase receptor to become activated
  2. The minimum amount of energy needed for a chemical reaction to occur
  3. Type of inhibitor that will bind to the allosteric site and change the shape of the active site so that the substrate will be unable to bind
  4. Type of cell signaling where the cell signals to itself and a ligand binds to the receptors on its own surface
  5. Speed up reactions by lowering the activation energy
  6. The loss of electrons in molecules during a chemical reaction
  7. Messenger that activates Protein Kinase A which will then activate transcription factors, allowing genes to become either on or off
  8. Organic compounds that are used by enzymes to allow for catalytic activity to occur, examples include NAD, Biotin, and ATP
  9. When electrons jump from ground state to excited state do they absorb or release energy?

17 Clues: The energy of motion • Speed up reactions by lowering the activation energy • The loss of electrons in molecules during a chemical reaction • The minimum amount of energy needed for a chemical reaction to occur • The step that allows for a protein kinase receptor to become activated • The breakdown of molecules into simpler units is what type of process? • ...

Photosynthesis Crossword Puzzle 2024-04-30

Photosynthesis Crossword Puzzle crossword puzzle
Across
  1. the gas reactant of photosynthesis
  2. specialized, double-membrane organelle in plant cells where photosynthesis occurs
  3. connect the thylakoids of different grana
  4. fluid-filled space around the grana
  5. byproduct of photosynthesis
  6. five letter energy-storage molecule made during the light-dependent reactions
  7. a substance that goes into a chemical reaction
  8. three letter energy-storage molecule made during the light-dependent reactions
  9. a substance that is made during a chemical reaction
  10. the type of energy required for photosynthesis
Down
  1. disc-like structures arranged in stacks that contain chlorophyll
  2. first phase of photosynthesis that requires light energy and takes place in the thylakoid
  3. sugar made during the Calvin Cycle that becomes glucose
  4. stacks of thylakoids
  5. the green pigment that captures light energy
  6. final sugar made during photosynthesis
  7. second phase of photosynthesis that takes place in the stroma
  8. liquid reactant of photosynthesis

18 Clues: stacks of thylakoids • byproduct of photosynthesis • liquid reactant of photosynthesis • the gas reactant of photosynthesis • fluid-filled space around the grana • final sugar made during photosynthesis • connect the thylakoids of different grana • the green pigment that captures light energy • a substance that goes into a chemical reaction • ...

Photosynthesis 2024-04-22

Photosynthesis crossword puzzle
Across
  1. Iodine solution is used to test for........
  2. The green pigment in leaves.
  3. Photosynthesis is an example of this type of reaction.
  4. This is the variable that is measured in an experiment.
  5. The enrgy for photosynthesis comes from the .......
  6. This is the sugar made in photosynthesis.
  7. Biological reactions take place in ...... things.
  8. Plants take this substance in through their roots.
  9. The tiny openings on the understand of leaves.
Down
  1. During photosynthesis light energy is converted to ........ energy.
  2. The name given to the way plants make food.
  3. This substance removes the chlorophyll from leaves.
  4. This are the variables that remain constant.
  5. The gas produced during photosynthesis.
  6. This is the variable that changes in an experiment.
  7. Photosynthesis is an example of this type reaction.
  8. High temperatures affect the action of these in photosynthesis.
  9. dioxide This gas is needed for photosynthesis.
  10. In a chemical reaction,....substances are formed.

19 Clues: The green pigment in leaves. • The gas produced during photosynthesis. • This is the sugar made in photosynthesis. • The name given to the way plants make food. • Iodine solution is used to test for........ • This are the variables that remain constant. • dioxide This gas is needed for photosynthesis. • The tiny openings on the understand of leaves. • ...

Types of Energy 2023-12-07

Types of Energy crossword puzzle
Across
  1. This has thermal and radiant energy and is used when we are cold
  2. We use turbines to turn this into mechanical energy which is then turned into electrical
  3. This gives us the ability to interact with sound energy
  4. Energy of movement
  5. Stored energy
  6. Energy of heat
  7. Energy from a chemical reaction
  8. Energy that you hear
  9. This subject has a lot of chemical energy due to chemical reactions
  10. the energy of light
Down
  1. The energy of gravity
  2. This blocks out radiant energy from the sun
  3. Energy cannot be destroyed or created, only...
  4. Energy that is stored using bonds
  5. These give us the ability to use energy specifically mechanical
  6. Energy in motion
  7. This object makes a lot of sound and through arrow dynamics defies gravitational energy
  8. Radioactive energy
  9. We use dams to turn this into electrical energy
  10. is the strength and vitality required for sustained physical or mental activity.

20 Clues: Stored energy • Energy of heat • Energy in motion • Energy of movement • Radioactive energy • the energy of light • Energy that you hear • The energy of gravity • Energy from a chemical reaction • Energy that is stored using bonds • This blocks out radiant energy from the sun • Energy cannot be destroyed or created, only... • We use dams to turn this into electrical energy • ...

Thermochemistry 2024-02-06

Thermochemistry crossword puzzle
Across
  1. Unit of enthalpy
  2. A quantitative measurement of the surroundings as "hot" or "cold"
  3. System transfers heat energy to the surroundings
  4. True or false: q of the solution = -q of the reaction.
  5. The capacity to do work or transfer heat
  6. True or false: temperature change is the initial temp - the final temp.
  7. When room temp water and a hot metal are mixed, the temperatures will rise and fall respectively until they reach thermal ______?
  8. (energy of products) - (energy of reactants) is the heat change of the ______?
  9. System takes in heat energy from the surroundings
  10. Is the melting of an ice cube exo or endo?
  11. The amount of heat involved in producing one chemical from another is always the same, no matter how many stages/stops are taken in between.
Down
  1. An endothermic reaction will have a positive or negative q?
  2. What does q stand for?
  3. Is water turning into an ice cube exo or endo?
  4. Change
  5. C stands for specific ____ ________?
  6. An insulated device used for measuring the transfer of heat.
  7. The substance undergoing chemical or physical change
  8. Everything outside of the system that provide or absorb heat for the system
  9. When going from J to kJ, move the decimal point three spots to the left or right?

20 Clues: Change • Unit of enthalpy • What does q stand for? • C stands for specific ____ ________? • The capacity to do work or transfer heat • Is the melting of an ice cube exo or endo? • Is water turning into an ice cube exo or endo? • System transfers heat energy to the surroundings • System takes in heat energy from the surroundings • ...

Matter & Chemical Change 2024-04-02

Matter & Chemical Change crossword puzzle
Across
  1. The ability of a substance to undergo a chemical reaction and to form new substances
  2. A substance composed of two or more elements chemically combined in a fixed ratio
  3. A change in which a substance changes form but not its chemical identity
  4. State of matter with no definite shape or volume
  5. The process of a liquid changing into a gas
  6. The smallest unit of an element that retains its chemical properties
Down
  1. Substance that undergoes a change in a chemical reaction
  2. The ability of a substance to dissolve in another substance
  3. A change in which a substance undergoes a transformation into one or more new substances
  4. The study of the composition, structure, properties, and reactions of matter
  5. A pure substance made up of only one type of atom
  6. Substance with a definite shape and volume

12 Clues: Substance with a definite shape and volume • The process of a liquid changing into a gas • State of matter with no definite shape or volume • A pure substance made up of only one type of atom • Substance that undergoes a change in a chemical reaction • The ability of a substance to dissolve in another substance • ...

Science Vocab Unit 1 2024-10-07

Science Vocab Unit 1 crossword puzzle
Across
  1. When one or more substances are combined to create a new substance
  2. The old substances in a chemical reaction
  3. The new substance that is formed in a chemical reaction
  4. The amount of space that a substance takes up
  5. The temperature at which a solid substance melts or fuses.
  6. The quality of being difficult to scratch, cut , or break.
Down
  1. Any type of matter or material. A form of matter having constant chemical composition and characteristic properties
  2. The ability of a substance to dissolve within another substance
  3. How compact the molecules in a substance are
  4. When two or more substances are combined such that each substance retains its own chemical identity
  5. A characteristic or trait that you can use to describe matter by observation and/ or measurement
  6. A measurement of how much matter an object contains

12 Clues: The old substances in a chemical reaction • How compact the molecules in a substance are • The amount of space that a substance takes up • A measurement of how much matter an object contains • The new substance that is formed in a chemical reaction • The temperature at which a solid substance melts or fuses. • ...

Physical Science 2025-06-04

Physical Science crossword puzzle
Across
  1. The model explaining that matter is made of small moving particles.
  2. Tend to be shiny and a good conductor.
  3. Elements with properties between metals and non-metals.
  4. The force exerted per unit area.
  5. Reaction where two or more substances combine to form one.
  6. Reaction where one compound breaks down into simpler substance.
  7. Elements that are poor conductors and are often gases.
  8. Chemical element with symbol Na
Down
  1. Chemical element found in group 2 and period 4.
  2. Substances made of only one kind of atom.
  3. A change directly from gas to solid.
  4. A change from solid to liquid
  5. Matter that has no fixed volume or shape.
  6. Vertical columns on the periodic table
  7. The negative charged particle of an atom.
  8. Tiny building blocks of matter.
  9. The total mass of particles divided by volume.

17 Clues: A change from solid to liquid • Tiny building blocks of matter. • Chemical element with symbol Na • The force exerted per unit area. • A change directly from gas to solid. • Tend to be shiny and a good conductor. • Vertical columns on the periodic table • Substances made of only one kind of atom. • Matter that has no fixed volume or shape. • ...

Nolan's Crossword 2024-05-15

Nolan's Crossword crossword puzzle
Across
  1. The measure of heat/hotness or coldness
  2. A change of materials into another, with different properties
  3. When the physical properties of matter change
  4. The form of energy that is moved and transferred from something hot to something cold
  5. A substance that can't be broken down
  6. Being formed or taking place by absorbing heat
  7. The amount of space occupied by something
  8. Two or more atoms connected by a chemical bond
  9. A physical substance that takes up space
Down
  1. The study of matter
  2. The substance that is formed after a chemical reaction
  3. A characteristic of a substance that can be observed or measured
  4. The amount of matter or substance
  5. The process of sticking together molecules of the same type
  6. When one or more reactants are converted to products
  7. When heat is released
  8. The smallest part of a substance and it can't be reduced down
  9. The ability to do work

18 Clues: The study of matter • When heat is released • The ability to do work • The amount of matter or substance • A substance that can't be broken down • The measure of heat/hotness or coldness • A physical substance that takes up space • The amount of space occupied by something • When the physical properties of matter change • Being formed or taking place by absorbing heat • ...

SCIENCE MYSTERY 2022-07-02

SCIENCE MYSTERY crossword puzzle
Across
  1. : Substances that participate in the reaction
  2. : temporary projections of the cell also referred as false feet
  3. : supported by C- shaped cartilaginous rings
  4. : mirror used by doctors to examine tooth
  5. : reaction in which heat is involved
  6. : objects that emit their own light
  7. : site of gaseous exchange
  8. : Angle of ____________ is always equal to angle of reflection
Down
  1. : organisms that make their own food
  2. : Balancing chemical equations satisfy the law of _______________ of mass
  3. : reaction in which food containing oil gets rancid
  4. : Phenomenon of bending of light as it passes between two substances
  5. : secreted by pancreas for breakdown of protein
  6. : Image is formed at __________ when light rays come from infinity
  7. : type of reaction in which higher metal displaces lower metal

15 Clues: : site of gaseous exchange • : objects that emit their own light • : organisms that make their own food • : reaction in which heat is involved • : mirror used by doctors to examine tooth • : supported by C- shaped cartilaginous rings • : Substances that participate in the reaction • : secreted by pancreas for breakdown of protein • ...

Endothermic and Exothermic 2025-05-07

Endothermic and Exothermic crossword puzzle
Across
  1. The unit for energy (5)
  2. The energy needed to start a reaction (10,6)
  3. The type of formula that shows the bonds (10)
  4. What is created when substances react (7)
Down
  1. A 1000 J's (9)
  2. The energy stored in a bond (4,6)
  3. Process in plants and animals that is exothermic (11)
  4. Can be transferred or stored in a reaction (6)
  5. A reaction that takes in energy (11)
  6. A chemical that is being reacted with another (8)
  7. Process in plants that is endothermic (14)
  8. A reaction that transfers energy out (10)
  9. These types of bond store more energy than single ones (6)
  10. What we measure temperature changes with (11)
  11. The short name for a mole of a substance (3)

15 Clues: A 1000 J's (9) • The unit for energy (5) • The energy stored in a bond (4,6) • A reaction that takes in energy (11) • A reaction that transfers energy out (10) • What is created when substances react (7) • Process in plants that is endothermic (14) • The energy needed to start a reaction (10,6) • The short name for a mole of a substance (3) • ...

Speed of Chemical Reactions 2014-04-24

Speed of Chemical Reactions crossword puzzle
Across
  1. Type of energy produced by the sun.
  2. Process by which water can be separated from a solution.
  3. Where you would find all the elements.
  4. An element which is a yellow powder which produces an eggy small when heated.
  5. The chemical name for salt
  6. A chemical reaction in which a solid is formed from mixing two liquids.
  7. The gas that you breathe out.
  8. The non metal that is found in the substance aluminium nitride.
  9. When this substance reacts to form a compound an oxide is formed.
Down
  1. A substance in which contains 2 or more elements that are not chemically bonded together.
  2. Type of gas you would find in a swimming pool.
  3. A solid substance can be separated from a liquid by this process.
  4. Substance that reacts with acid to form a gas.
  5. A property of iron.
  6. Type of energy released when there is an increase in temperature.
  7. The substance formed when copper reacts with bromine.
  8. A substance made of more than one element that are chemically bonded together.
  9. The rate of a chemical reaction can be increased by reducing the size of this.
  10. Substance formed when water freezes.

19 Clues: A property of iron. • The chemical name for salt • The gas that you breathe out. • Type of energy produced by the sun. • Substance formed when water freezes. • Where you would find all the elements. • Type of gas you would find in a swimming pool. • Substance that reacts with acid to form a gas. • The substance formed when copper reacts with bromine. • ...

Unit 5 Crossword 2023-11-14

Unit 5 Crossword crossword puzzle
Across
  1. Mass of one mole of a substance
  2. Tells what percent by mass of each element is present in a compound
  3. Actual number of atoms or moles of each element in a compound; determined if you know ratio and total mass of the molecule.
  4. A quantitative relationship or ratio between two or more substances
  5. Mass of one individual unit of a substance
  6. the Ratio of actual to theoretical yield
  7. Amount of product actually formed when a reaction is carried out in the laboratory.
Down
  1. ionic compound that contains water molecules in its structure
  2. Conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  3. substance that remains after the water has been removed from a hydrate.
  4. Provides the simplest whole number ratio of atoms or moles of each element in a compound
  5. Maximum amount of product that could be formed from the given amounts of reactants.
  6. Gets consumed first in a chemical reaction; limits how much product can be formed
  7. Not completely used up when the reaction is finished

14 Clues: Mass of one mole of a substance • the Ratio of actual to theoretical yield • Mass of one individual unit of a substance • Not completely used up when the reaction is finished • ionic compound that contains water molecules in its structure • Tells what percent by mass of each element is present in a compound • ...

Cellular Energy 2023-01-13

Cellular Energy crossword puzzle
Across
  1. Process that does not require oxygen.
  2. Process that requires oxygen to occur.
  3. Process used by plants and other autotrophs to capture light energy from the sun and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.
  4. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.
  5. A chemical reaction where the change in the free energy is negative.
Down
  1. Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
  2. A chemical reaction in which the standard change in free energy is positive, and an additional driving force is needed to perform this reaction.
  3. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.
  4. Saclike photosynthetic membranes found in chloroplasts.
  5. Fluid portion of the chloroplast, outside of the thylakoids.

10 Clues: Process that does not require oxygen. • Process that requires oxygen to occur. • Saclike photosynthetic membranes found in chloroplasts. • Fluid portion of the chloroplast, outside of the thylakoids. • A chemical reaction where the change in the free energy is negative. • ...

Unit 5 Chemistry 2024-04-22

Unit 5 Chemistry crossword puzzle
Across
  1. When electrons jump from one atom to another, making one positively charged and the other negatively charged.
  2. Replacement: Positive and negative parts of two compounds switch, creating two new compounds.
  3. A small number written below and to the right of a chemical symbol to show how many atoms of that element are in a compound.
  4. When atoms share electrons to stick together.
  5. Element: Elements that naturally pair up, like hydrogen and oxygen, making molecules with two atoms.
  6. A number before a chemical formula showing how many molecules or units are involved in a reaction.
  7. Replacement: One thing swaps places with another in a compound, making a new compound and a different single element.
Down
  1. The new things made during a reaction.
  2. When something breaks down into simpler parts.
  3. A rapid reaction with oxygen, often producing heat, light, and new substances.
  4. Stuff made of two or more different elements mixed together.
  5. Tiny things with electric charges because they gained or lost some electrons.
  6. Things that mix in a reaction and change into something else.
  7. (or Combination): When two or more things come together to make something new.

14 Clues: The new things made during a reaction. • When atoms share electrons to stick together. • When something breaks down into simpler parts. • Stuff made of two or more different elements mixed together. • Things that mix in a reaction and change into something else. • Tiny things with electric charges because they gained or lost some electrons. • ...

Unit 5 Chemistry 2024-04-22

Unit 5 Chemistry crossword puzzle
Across
  1. Stuff made of two or more different elements mixed together.
  2. Element Elements that naturally pair up, like hydrogen and oxygen, making molecules with two atoms.
  3. Replacement Positive and negative parts of two compounds switch, creating two new compounds.
  4. (or Combination) When two or more things come together to make something new.
  5. When electrons jump from one atom to another, making one positively charged and the other negatively charged.
  6. Tiny things with electric charges because they gained or lost some electrons.
  7. Things that mix in a reaction and change into something else.
  8. When something breaks down into simpler parts.
Down
  1. A rapid reaction with oxygen, often producing heat, light, and new substances.
  2. A number before a chemical formula showing how many molecules or units are involved in a reaction.
  3. A small number written below and to the right of a chemical symbol to show how many atoms of that element are in a compound.
  4. When atoms share electrons to stick together.
  5. Replacement One thing swaps places with another in a compound, making a new compound and a different single element.
  6. The new things made during a reaction.

14 Clues: The new things made during a reaction. • When atoms share electrons to stick together. • When something breaks down into simpler parts. • Stuff made of two or more different elements mixed together. • Things that mix in a reaction and change into something else. • (or Combination) When two or more things come together to make something new. • ...

Chem vocab 2021-12-02

Chem vocab crossword puzzle
Across
  1. the ratio of moles between compounds in a chemical reaction
  2. what a reaction should produce in theory
  3. the relationship between the relative quantities of substances in a raction
  4. what a reaction truly produces
Down
  1. the reactant in an equation which limits teh reaction, typically a gas
  2. the amount of molecules in a mile, typically expressed as 6.02x10^23
  3. the ratio of actual yield to theoretical yield x100
  4. what is typically left out of the yield in a chemical reaction, typically a solid

8 Clues: what a reaction truly produces • what a reaction should produce in theory • the ratio of actual yield to theoretical yield x100 • the ratio of moles between compounds in a chemical reaction • the amount of molecules in a mile, typically expressed as 6.02x10^23 • the reactant in an equation which limits teh reaction, typically a gas • ...

Chemical Reactions and equations 2015-02-13

Chemical Reactions and equations crossword puzzle
Across
  1. _________ reactions absorbs heat
  2. addition of hydrogen or removal of oxygen is termed as _______ reaction.
  3. the reaction of an element with a compound to produce a new element and a new compound
  4. ________ reaction is the opposite of combination reaction
  5. the chemical name of quick lime is _______ oxide.
Down
  1. a double displacement reaction between an acid and a base to produce an ionic compound (a salt) and usually water
  2. a chemical equation is balanced by changing or adding _____
  3. The type of compound formed by combining an element with oxygen

8 Clues: _________ reactions absorbs heat • the chemical name of quick lime is _______ oxide. • ________ reaction is the opposite of combination reaction • a chemical equation is balanced by changing or adding _____ • The type of compound formed by combining an element with oxygen • addition of hydrogen or removal of oxygen is termed as _______ reaction. • ...

Chemistry of Food 2024-12-02

Chemistry of Food crossword puzzle
Across
  1. A leavening agent containing both an acid and a base.
  2. The feel or consistency of food.
  3. Brown polymers formed during Maillard and caramelization reactions.
  4. An ionic compound formed from the neutralization of an acid and a base.
  5. The browning of sugar under heat, enhancing flavor.
  6. Substances that accept hydrogen ions or release hydroxide ions.
  7. Substances that release hydrogen ions in a solut ion.
  8. A solid that forms from a solution during a chemical reaction.
  9. Combining ingredients to form a homogenous mixture.
  10. The process of working dough to develop gluten.
  11. An ingredient in baking powder.
  12. A browning reaction that gives cooked food its flavor.
  13. Another protein in gluten that contributes to dough structure.
  14. A lab technique to determine the concentration of an unknown solution.
  15. A mixture of two liquids that usually don’t mix, like oil and water.
  16. Chemical changes induced by heat.
Down
  1. One of the proteins in gluten.
  2. Methods used to prevent food spoilage.
  3. A reaction where an acid and a base cancel each other out.
  4. Essential macromolecules that build and repair tissues.
  5. The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms.
  6. A common base used in cooking and cleaning.
  7. The process by which dough expands due to leavening agents.
  8. The process of making dough rise.
  9. Substances used to thicken or stabilize mixtures.
  10. The chemical name for baking soda.
  11. Pigments that give fruits and vegetables red, purple, or blue colors.
  12. A solution that resists changes in pH.
  13. Sugars that can participate in Maillard reactions.
  14. Preserving food by soaking it in a solution of salt, water, and sometimes vinegar.
  15. A scale used to measure the acidity or basicity of a solution.
  16. A substance that helps mix oil and water.
  17. A protein found in wheat that gives dough elasticity.

33 Clues: One of the proteins in gluten. • An ingredient in baking powder. • The feel or consistency of food. • The process of making dough rise. • Chemical changes induced by heat. • The chemical name for baking soda. • Methods used to prevent food spoilage. • A solution that resists changes in pH. • A substance that helps mix oil and water. • ...

Crossword Reaction 2026-02-03

Crossword Reaction crossword puzzle
Across
  1. On average how many months of subcutaneous immunotherapy are required before a patient may start to experiences allergy relief?
  2. When put on immunotherapy, how many vials are created to treat a patient’s airborne allergens for year one?
  3. What do we use as a negative control for allergy tests?
  4. One in how many Americans suffer from allergies?
  5. What is the largest category of airborne allergens that UAS tests for?
  6. What category of antidepressants will interfere with an allergy test?
  7. What is the name of the app that patients use to track injections? The answer is all one word.
  8. What is the minimum age for a patient to qualify for an allergy test?
  9. We test for animals, molds, trees, grasses, and ___.
  10. How many times a year does UAS suggest providers follow-up with a patient receiving immunotherapy?
  11. Every patient is required to carry what auto-injecting medication for three hours post injection?
  12. The green sheet (symptom screening form) acts as your CAS’s what?
  13. What is the leading cause of missed school days in pediatric patients?
  14. 45% of compliant patients on UAS’s immunotherapy protocol have a significantly lower chance of developing what common condition?
  15. What major medication group needs to be discontinued prior to an allergy test?
  16. 88% of compliant patients report a better ___. Please exclude spaces.
Down
  1. What does CAS stand for? Please exclude spaces.
  2. After a minimum of three years of immunotherapy, how many years of symptom relief can a patient experience?
  3. What form of allergy testing does UAS use? Please exclude spaces
  4. What is the ideal percentage for test to treatment rate conversion?
  5. How often are patients tested during treatment?
  6. What in home environmental allergen causes the most allergies?
  7. What does IT stand for?
  8. On average, how many years of immunotherapy do we recommend for long-term allergy relief.
  9. We test for two different forms of allergens: mold/animals AND ___.
  10. Given 20 compliant patients, how many does UAS estimate successfully treats?
  11. What tree pollen has the most extensive cross reactivity?
  12. What do we use as a positive control for allergy tests?

28 Clues: What does IT stand for? • What does CAS stand for? Please exclude spaces. • How often are patients tested during treatment? • One in how many Americans suffer from allergies? • We test for animals, molds, trees, grasses, and ___. • What do we use as a negative control for allergy tests? • What do we use as a positive control for allergy tests? • ...

Biochemistry Crossword 2021-12-14

Biochemistry Crossword crossword puzzle
Across
  1. the region of an enzyme that the substrate(s) binds to for the reaction to occur
  2. the molecule(s) that an enzyme acts on; the reactant(s) of an enzymatic reaction
  3. a drug therapy for Chronic Myeloid Leukemia that targets cancer cells by regulating Bcr-Abl
  4. a simple lipid; made up of a long chain alcohol and a fatty acid; found naturally on leaf and stem coatings
  5. C₆H₁₂O₆; a monosaccharide; a carbohydrate
  6. compounds that contain the elements carbon, oxygen, nitrogen, hydrogen, and/or sulfur and are made by living organisms
  7. a sugar molecule, another name for carbohydrate
  8. a polysaccharide consisting of a chain of hundreds of glucose molecules; it is the main component in cell walls and other fibrous materials; cannot be digested by humans
Down
  1. a sugar molecule, an organic compound with a chemical formula of Cx(H₂O)y
  2. a polypeptide; a chain of amino acids connected by peptide bonds that are then folded to create a structured molecule that can do work
  3. primary information carrying molecules in the cell; come in two forms: DNA and RNA
  4. a protein that decreases the activation energy of the chemical reaction of a substrate molecule(s); increases the reaction rate of a substrate
  5. building blocks of proteins; made up of an amino group, a carboxyl group, and an R group attached to a central carbon
  6. a lipid, a hormone, a signaling molecule, and a membrane fluidity molecule; has a four ring molecular structure
  7. an activator or inhibitor binding to a site other than the active site of an enzyme to regulate its activity
  8. the genetic material inside cells that code for proteins
  9. organic compounds that are insoluble in water; fats, waxes, oils, and hormones; store energy and function as chemical messengers

17 Clues: C₆H₁₂O₆; a monosaccharide; a carbohydrate • a sugar molecule, another name for carbohydrate • the genetic material inside cells that code for proteins • a sugar molecule, an organic compound with a chemical formula of Cx(H₂O)y • the region of an enzyme that the substrate(s) binds to for the reaction to occur • ...

Chemical Formula and Equations 2017-11-26

Chemical Formula and Equations crossword puzzle
Across
  1. Same or equal
  2. Change in which the composition of a substance changes
  3. Much or many
  4. Dealing with chemicals
  5. Again or back
  6. Characteristics that can be observed using the five senses, without changing or trying to change the composition of the substance
  7. An expression which uses chemical symbols to represent a reaction
  8. Mass of an object divided by its volume
Down
  1. Region surrounding the nucleus of an atom, where electrons are most likely to be found
  2. Matter that has the same composition and properties throughout
  3. Change in which the form or appearance of matter changes, but not its composition
  4. States that mass is neither created nor destroyed
  5. A clue which helps identify a chemical reaction
  6. Characteristics that cannot be observed without altering the sample
  7. First or primary
  8. Light

16 Clues: Light • Much or many • Same or equal • Again or back • First or primary • Dealing with chemicals • Mass of an object divided by its volume • A clue which helps identify a chemical reaction • States that mass is neither created nor destroyed • Change in which the composition of a substance changes • Matter that has the same composition and properties throughout • ...

Unit 2 Vocab 2022-09-27

Unit 2 Vocab crossword puzzle
Across
  1. Adenosine Triphosphate; charged energy storage molecule.
  2. Process of breaking down glucose to make ATP.
  3. Organism that must eat other organisms to obtain energy.
  4. Organelle; site of steps 2 & 3 of aerobic cellular respiration.
  5. Describes a situation in which oxygen is present
  6. Pigment in chloroplast; used to trap light energy.
  7. Organelle; site of photosynthesis.
  8. Anything that has mass and takes up space.
  9. Substances at the beginning of a chemical reaction; changed into products.
Down
  1. Process of using light energy to make glucose.
  2. Organism that makes its own food; base of the food chain.
  3. Describes a situation in which oxygen is not present
  4. Adenosine Diphosphate; uncharged energy storage molecule.
  5. Substances created during a chemical reaction; made from reactants.
  6. Organism that breaks down compounds; recyclers.
  7. Second step of anaerobic respiration

16 Clues: Organelle; site of photosynthesis. • Second step of anaerobic respiration • Anything that has mass and takes up space. • Process of breaking down glucose to make ATP. • Process of using light energy to make glucose. • Organism that breaks down compounds; recyclers. • Describes a situation in which oxygen is present • Pigment in chloroplast; used to trap light energy. • ...

Vocabulary crossword puzzle 2015-11-24

Vocabulary crossword puzzle crossword puzzle
Across
  1. A physical substance that which occupies space
  2. A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
  3. A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  4. The force that attracts a body toward the center of the earth
  5. usually reversible change in the physical properties of a substance,as size or shape
  6. A measure of how much matter is in an object
  7. A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
  8. amount of space that a substance or object occupies
  9. A tendency to do nothing or to remain unchanged
  10. degree of compactness of a substance
Down
  1. A body's relative mass or the quality of matter contained by it
  2. amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
  3. A usually irreversible chemical reaction
  4. A chemical property referring to the ability for a given substance
  5. A feature or quality belonging typically to a person
  6. The ability of a substance to burn or ignite
  7. The curved upper surface in a tube
  8. The quality of something that can be shaped into something else without breaking
  9. The SI unit of force

19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...

Vocabulary crossword puzzle 2015-11-24

Vocabulary crossword puzzle crossword puzzle
Across
  1. A physical substance that which occupies space
  2. A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
  3. A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  4. The force that attracts a body toward the center of the earth
  5. usually reversible change in the physical properties of a substance,as size or shape
  6. A measure of how much matter is in an object
  7. A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
  8. amount of space that a substance or object occupies
  9. A tendency to do nothing or to remain unchanged
  10. degree of compactness of a substance
Down
  1. A body's relative mass or the quality of matter contained by it
  2. amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
  3. A usually irreversible chemical reaction
  4. A chemical property referring to the ability for a given substance
  5. A feature or quality belonging typically to a person
  6. The ability of a substance to burn or ignite
  7. The curved upper surface in a tube
  8. The quality of something that can be shaped into something else without breaking
  9. The SI unit of force

19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...

Year 10 Revision crossword 2018-05-21

Year 10 Revision crossword crossword puzzle
Across
  1. Respiration without oxygen
  2. Holes on the underside of a leaf
  3. Chemical used to test for starch
  4. The blood cell that helps fight microbes
  5. Plants use light energy to carry out this process
  6. The movement of water
  7. Controls the cell activities
Down
  1. Substances that speed up chemical reactions
  2. A chemical reaction that produces energy
  3. Vaccines contain ....... or weakened microbes
  4. Substances taken to kill bacteria
  5. Colour iodine changes to it starch is present
  6. The movement of gases from a high to low concentration
  7. Respiration with oxygen
  8. Photosynthesis increases if .............. intensity increases

15 Clues: The movement of water • Respiration with oxygen • Respiration without oxygen • Controls the cell activities • Holes on the underside of a leaf • Chemical used to test for starch • Substances taken to kill bacteria • A chemical reaction that produces energy • The blood cell that helps fight microbes • Substances that speed up chemical reactions • ...

Biology Chapter 3: Chemistry 2020-11-04

Biology Chapter 3: Chemistry crossword puzzle
Across
  1. adenosine triphosphate, an organic molecule that acts as the main energy source for cell processes
  2. the capacity to do work
  3. an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
  4. a substance that forms in a chemical reaction
  5. any compound that increases the number of hydroxide ions when dissolved in water
  6. Energy the minimum amount of energy required to start a chemical reaction
  7. the force that holds molecules of a single material together
  8. a substance that cannot be separated or broken down into simpler substances by chemical means
  9. a substance or molecule that participates in a chemical reaction
  10. a value that is used to express the acidity or alkalinity (basicity) of a system
  11. the reactant in reactions catalyzed by enzymes
  12. a class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
  13. Acid an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information
Down
  1. a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it.
  2. Acid a compound of a class of simple organic compounds that contain a carboxyl and an amino group and that combine to form proteins
  3. an organic compound that consists of a sugar, a phosphate, and a nitrogenous base
  4. a group of atoms that are held together by chemical forces
  5. any compound that increases the number of hydronium ions when dissolved in water
  6. Electron an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties
  7. the smallest unit of an element that maintains the chemical properties of that element
  8. A molecule, either protein or RNA, that acts as a catalyst in biochemical reactions
  9. a substance made up of atoms of two or more different elements joined by chemical bonds
  10. an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
  11. a homogeneous mixture throughout which two or more substances are uniformly dispersed
  12. deoxyribonucleic acid, the material that contains the information that determines inherited
  13. a fat molecule or a molecule that has similar properties, including waxes and steroids
  14. ribonucleic acid, a natural polymer that is present in all living cells and that plays a role in protein
  15. the attractive force between two bodies of different substances that are in contact with each other
  16. Site on an enzyme, the site that attaches to a substrate

29 Clues: the capacity to do work • a substance that forms in a chemical reaction • the reactant in reactions catalyzed by enzymes • Site on an enzyme, the site that attaches to a substrate • a group of atoms that are held together by chemical forces • the force that holds molecules of a single material together • ...

Enzymes 2025-03-13

Enzymes crossword puzzle
Across
  1. a protein that acts as a catalyst
  2. a reaction that requires an input of energy
  3. the enzyme that performs dehydration reaction to form polymers
  4. the enzyme that removes phosphate groups
  5. *********** INHIBITOR; inhibitor binds to active site
  6. the enzyme that breaks down lipids
  7. TWO WORDS; energy required for a reaction to start or to occur
  8. TWO WORDS; occurs when the end product acts as a repressor to shut down a metabolic pathway
  9. the sum of all the chemical reactions within an organism
  10. ******* ENERGY; energy in motion; energy of movement
Down
  1. the capacity to do work; the capacity for change
  2. TWO WORDS; refers to the binding of the enzyme to the substrate where the enzyme slightly changes to make the binding tighter
  3. the enzyme that breaks down cellulose
  4. ********** REGULATION; occurs when a regulatory molecule binds to a regulatory site
  5. the reactant in an enzymatic reaction.
  6. ************** INHIBITOR; inhibitor binds to regulatory binding site
  7. complex molecules break down into simpler ones
  8. ********* ENERGY; energy at rest; stored energy
  9. the enzyme that phosphorylates
  10. a reaction that releases energy
  11. simple molecules link to form more complex ones

21 Clues: the enzyme that phosphorylates • a reaction that releases energy • a protein that acts as a catalyst • the enzyme that breaks down lipids • the enzyme that breaks down cellulose • the reactant in an enzymatic reaction. • the enzyme that removes phosphate groups • a reaction that requires an input of energy • complex molecules break down into simpler ones • ...

Biology: Enzymes 2024-01-27

Biology: Enzymes crossword puzzle
Across
  1. Proteins that help speed up chemical reactions in out cells. They act as catalysts.
  2. The specific molecule that an enzyme acts upon during a chemical reaction.
  3. When the active site undergoes a slight change in shape to accommodate and bind to the substrate more snugly as the substrate approaches.
  4. Molecules that can bind to the active site of an enzyme and compete with the substrate for binding.
  5. The minimum amount of energy required for a chemical reaction to occur.
Down
  1. Molecules that can bind to an enzyme at a site other than the active site.
  2. A regulatory mechanism that helps regulate enzyme activity and prevent the overproduction of certain molecules.
  3. Non-protein molecules that help enzymes carry out their functions effectively.
  4. Small organic molecules that assist enzymes in carrying out their functions. They often bind to the active site of an enzyme and participate in the chemical reactions.
  5. A specific region on an enzyme where a substrate binds and undergoes a chemical reaction.

10 Clues: The minimum amount of energy required for a chemical reaction to occur. • Molecules that can bind to an enzyme at a site other than the active site. • The specific molecule that an enzyme acts upon during a chemical reaction. • Non-protein molecules that help enzymes carry out their functions effectively. • ...

1 Preparing a salt 2 What's a salt 3 Word equations 4 Reactions of metals 5 Metal reactivity series 2020-12-18

1 Preparing a salt 2 What's a salt 3 Word equations 4 Reactions of metals 5 Metal reactivity series crossword puzzle
Across
  1. what are reactants of magnesium+hyrdogen reaction
  2. when a metal salt reacts with a more reactive salt, what sort of reaction occurs?
  3. nitric acid formula
  4. how neutralisation reaction form
  5. least reactive metal
  6. reacts with acids to form salts, and promotes certain chemical reactions
  7. iron oxide+carbon
  8. salt's chemical name
  9. substance with a ph of higher than 11 is a
  10. sodium hydroxide
  11. what happens when silver reacts with oxygen
  12. what two substances produce when acid+metal
  13. most reactive metal
  14. ammonium nitrate formula
  15. what elements make up Copper sulphate
  16. What gas is always produced when a metal reacts with water?
  17. reaction that is a type of reaction that replaces part of one reactor with another
Down
  1. salt that is used to make blackboard chalk
  2. Sodium + chlorine gas zincnitrate which salt will be formed by the reaction of nitric acid with zinc carbonate?
  3. Lithium chloride + Iron → ?
  4. does aluminium can displace potassium
  5. zinc chloride+hydrogen
  6. group one metals
  7. meral+water
  8. word equation of neutralisation reaction
  9. magnesium+steam
  10. copper+sulfate
  11. calcium+water+carbon dioxide
  12. salts that are made with carbonic acid are called.....
  13. what gas is required for something to burn?

30 Clues: meral+water • copper+sulfate • magnesium+steam • group one metals • sodium hydroxide • iron oxide+carbon • nitric acid formula • most reactive metal • least reactive metal • salt's chemical name • zinc chloride+hydrogen • ammonium nitrate formula • Lithium chloride + Iron → ? • calcium+water+carbon dioxide • how neutralisation reaction form • does aluminium can displace potassium • ...

Unit 11: Rate of Reaction 2017-05-04

Unit 11: Rate of Reaction crossword puzzle
Across
  1. if a product or reactant is this order, it has no effect on rate
  2. on an energy curve, the energy of these is to the left of the curve
  3. if the net energy change is positive, the reaction is _____
  4. if a product or reactant is this order, rate depends on the squared value of reactant added
  5. the rate constant is labeled with this variable
  6. in a k or q expression, coefficients become ______
  7. a specific type of catalysts
  8. how the concentration of of a reactant or product changes
  9. _______ energy is energy required to turn products to reactants
  10. on an energy curve, the energy of these is to the right of the curve
Down
  1. reactions occur from _______ between reactants
  2. moles per liters
  3. in the rate expression, the exponents let us determine _____ of the reaction
  4. if the net energy change is negative, the reaction is _______
  5. molarity is a measurement for ______
  6. adding thing increases rate
  7. chemical _______ is the study of reaction rate rate
  8. activated ________ is represented by the peak of an energy curve
  9. rate increases as temperature ________
  10. if you subtract energy of reactants from products, you get the ______ energy of the reaction

20 Clues: moles per liters • adding thing increases rate • a specific type of catalysts • molarity is a measurement for ______ • rate increases as temperature ________ • reactions occur from _______ between reactants • the rate constant is labeled with this variable • in a k or q expression, coefficients become ______ • chemical _______ is the study of reaction rate rate • ...

Biology Crossword 2020-10-08

Biology Crossword crossword puzzle
Across
  1. / relating or requiring oxygen
  2. / higher osmotic pressure than a substance
  3. / maintaining internal status
  4. / substance that produces color
  5. / an organ or cell that can respond to signals
  6. / organelle that stores DNA
  7. / provides most of the chemical energy
  8. / colorless fluid
  9. / organic compound that provides energy
  10. / living organism that produces organic substances
  11. cycle / series of chemical reactions
  12. / enlarges the rate of chemical reaction
  13. respiration / aerobic process
Down
  1. / vesicle within the cytoplasm
  2. / same osmotic pressure as a substance
  3. / metabolic process
  4. / contains amino acids
  5. / movement of high concentration to low
  6. / organelles that conduct photosynthesis
  7. / movement of low concentration to high
  8. / acceptor of energized electrons
  9. / outcome of chemical reactions
  10. membrane / membrane that separates the interior from exterior
  11. / protoplasm within a living cell
  12. / used to describe something that does not require oxygen
  13. / standard measure of energy

26 Clues: / colorless fluid • / metabolic process • / contains amino acids • / organelle that stores DNA • / standard measure of energy • / maintaining internal status • / vesicle within the cytoplasm • / relating or requiring oxygen • respiration / aerobic process • / substance that produces color • / outcome of chemical reactions • / acceptor of energized electrons • ...

Exam 3 2024-11-11

Exam 3 crossword puzzle
Across
  1. grow in acidic environments
  2. Cold-Loving
  3. Speed up chemical reactions without being altered
  4. transfer functional groups
  5. heat-loving
  6. Human Immunodeficiency Virus
  7. sum of all chemical reactions with a living organism
  8. is the amount of collision energy required for a chemical reaction to occur
  9. Bone loss/Death
  10. introduction of microbes into a medium
Down
  1. hydrolysis
  2. reactions that use energy and building blocks to build complex molecules
  3. Protein portion
  4. are biological catalysts
  5. microbes growing in or on a culture medium
  6. Liver Damage
  7. moderate-temperature-loving
  8. Reactions that break down complex molecules
  9. oxidation-reduction reactions
  10. unable to use oxygen and most are harmed by it
  11. no living microbes
  12. Fat Distribution
  13. Increased fat in blood
  14. nutrients prepared for microbial growth
  15. States that chemical reactions occurs when atoms, ions, and molecules collide

25 Clues: hydrolysis • Cold-Loving • heat-loving • Liver Damage • Protein portion • Bone loss/Death • Fat Distribution • no living microbes • Increased fat in blood • are biological catalysts • transfer functional groups • grow in acidic environments • moderate-temperature-loving • Human Immunodeficiency Virus • oxidation-reduction reactions • introduction of microbes into a medium • ...

Respiratory System Crossword 2024-08-08

Respiratory System Crossword crossword puzzle
Across
  1. When the muscles are working and getting shorter
  2. The name for the substances that are reacted together
  3. The chemical reaction that releases energy from glucose
  4. Scientific name for breathing out
  5. The useful product released during respiration
  6. A place in cell where aerobic respiration happens
Down
  1. Muscles found between the ribs
  2. A reactant during respiration, we breathe it in
  3. A reactant where the energy is stored before
  4. Scientific name for breathing in
  5. The name for what is produced in a chemical reaction
  6. Waste product of respiration
  7. Bones that protect the lungs
  8. A product during respiration, we drink it
  9. When the muscles are at rest and return to normal size
  10. When we breathe in, this contracts and moves down pulling air into the lungs

16 Clues: Waste product of respiration • Bones that protect the lungs • Muscles found between the ribs • Scientific name for breathing in • Scientific name for breathing out • A product during respiration, we drink it • A reactant where the energy is stored before • The useful product released during respiration • A reactant during respiration, we breathe it in • ...

Photosynthesis/Respiration Review 2025-01-23

Photosynthesis/Respiration Review crossword puzzle
Across
  1. the gas needed for photosynthesis
  2. the molecules that go into a chemical reaction
  3. the organelle responsible for photosynthesis
  4. term describing organisms that make their own food
  5. rely on plants and animals that eat plants for their food
  6. where plants get the energy needed for photosynthesis
  7. taken up by roots of a plant
Down
  1. the molecules that are made during a chemical reaction
  2. able to do bother photosynthesis and cellular respiration
  3. the organelle responsible for cellular respiration
  4. the gas needed for cellular respiration
  5. the color of the chlorophyl inside chloroplasts
  6. term describing organisms that rely on eating other organisms for their food
  7. the simple sugar needed for cellular respiration
  8. initials for the energy produced during cellular respiration
  9. what part of a plant is most photosynthesis done

16 Clues: taken up by roots of a plant • the gas needed for photosynthesis • the gas needed for cellular respiration • the organelle responsible for photosynthesis • the molecules that go into a chemical reaction • the color of the chlorophyl inside chloroplasts • the simple sugar needed for cellular respiration • what part of a plant is most photosynthesis done • ...

ENZYME 2026-03-03

ENZYME crossword puzzle
Across
  1. Reaction that absorbs free energy from the surroundings
  2. Sum of all the chemical reactions occurring in that cell
  3. The energy required to start any reaction
  4. A flexible active site that changes shape, or conforms to the substrate as they bond together.
  5. The process of breaking down large molecules into smaller ones
  6. The active site having a set shape, substrate molecules fit perfectly into active site for the reaction to take place
Down
  1. The process of making large molecules from smaller ones
  2. Reaction that has a net release of free energy
  3. Substrates in a catalysed reaction
  4. Cofactor that are organic molecules
  5. Substrate released from enzyme after catalysed reaction
  6. Inhibit the activity of enzymes

12 Clues: Inhibit the activity of enzymes • Substrates in a catalysed reaction • Cofactor that are organic molecules • The energy required to start any reaction • Reaction that has a net release of free energy • The process of making large molecules from smaller ones • Reaction that absorbs free energy from the surroundings • ...

Vocab Assignment 3 2024-06-17

Vocab Assignment 3 crossword puzzle
Across
  1. a molecule that can react with other molecules to form larger molecules
  2. a cell or group of cells that receives stimuli
  3. chainlike molecule that consists of identical building blocks (DNA/RNA)
  4. a large molecule made up of smaller chemical structures
  5. a chemical reaction in which water is used to break down a compound
  6. a compound that your body breaks down into glucose
Down
  1. the chemical reaction in the body that changes food into energy
  2. a molecule made up of amino acids that keeps cells in shape and make up muscles
  3. large molecules made up of chemical bonds
  4. a condition in which the body loses too much water and other fluids that is needed to work
  5. fatty compounds that have different functions in your body

11 Clues: large molecules made up of chemical bonds • a cell or group of cells that receives stimuli • a compound that your body breaks down into glucose • a large molecule made up of smaller chemical structures • fatty compounds that have different functions in your body • the chemical reaction in the body that changes food into energy • ...

photosynthesis 2022-11-01

photosynthesis crossword puzzle
Across
  1. a temporary way of creating energy without oxygen
  2. A way for plants to make their own food
  3. organelle necessary for respiration
  4. glucose, oxygen
  5. the chemical formula for glucose
  6. a mathmatic formula to show the chemical makeup of different substances
Down
  1. the things that will be used for a chemical reaction
  2. most common cell used for fermentation
  3. only type of cell that can preform photosynthesis
  4. bear, owl, fly
  5. An organelle found in plants that caries out photosynthesis
  6. cactus, tree, grass
  7. ingredient not used in photosynthesis : water, sunlight, soil, carbon dioxide
  8. A product of lactic fermentation
  9. Chemical formula for water

15 Clues: bear, owl, fly • glucose, oxygen • cactus, tree, grass • Chemical formula for water • A product of lactic fermentation • the chemical formula for glucose • organelle necessary for respiration • most common cell used for fermentation • A way for plants to make their own food • a temporary way of creating energy without oxygen • only type of cell that can preform photosynthesis • ...

Module 2 2021-09-06

Module 2 crossword puzzle
Across
  1. The process by which cells become progressively more specialized
  2. Ability to respond to environmental changes
  3. Chemical used for energy and cell building
  4. All chemical and physical changes sustaining an organism
  5. Detects change in variable
  6. Increase in cell size
Down
  1. Changes in form and size
  2. (feedback) Negates the original stimulus
  3. A state of equilibrium, as in an organism or cell, maintained by self-regulating processes.
  4. Generation of new individuals
  5. (feedback) Strengthen a change in body's condition
  6. something that causes a change or a reaction
  7. required for chemical reactions
  8. Most abundant chemical in human body
  9. Directly causes change in variable

15 Clues: Increase in cell size • Changes in form and size • Detects change in variable • Generation of new individuals • required for chemical reactions • Directly causes change in variable • Most abundant chemical in human body • (feedback) Negates the original stimulus • Chemical used for energy and cell building • Ability to respond to environmental changes • ...

Science Week 11 Types of Energy 2022-11-16

Science Week 11 Types of Energy crossword puzzle
Across
  1. Transferring heat from one place to another without touching
  2. When heat moves from one object to another.
  3. Energy is associated with light.
  4. Causes hot material to rise and colder material to sink.
  5. Energy that bonds electrons to an atom.
  6. Energy that comes from a nuclear reaction.
  7. The only thing able to catch light.
Down
  1. The Law of Conservation of Energy says that new energy is not created and old energy is not ____________.
  2. Energy that is associated with gravity.
  3. Energy that comes from an object's position.
  4. Energy that comes from a chemical reaction.
  5. Energy that comes from the motion of a body.
  6. Energy that comes from sound.
  7. Energy that comes from movement.
  8. Energy that comes from heat.

15 Clues: Energy that comes from heat. • Energy that comes from sound. • Energy that comes from movement. • Energy is associated with light. • The only thing able to catch light. • Energy that is associated with gravity. • Energy that bonds electrons to an atom. • Energy that comes from a nuclear reaction. • Energy that comes from a chemical reaction. • ...

Chemistry Crossword 2018-04-09

Chemistry Crossword crossword puzzle
Across
  1. determines the number of energy levels.
  2. if the numbers of atoms for each element are the same on both the reactants and product the equation is _________.
  3. reactivity is determined by an element’s ___________.
  4. on the left side of the “staircase”, good conductors of heat, malleable and ductile.
  5. on the right side of the “staircase”,does not conduct heat/electricity, brittle and dull.
  6. tells you how many atoms of that element are present.
  7. a substance that forms in a chemical reaction.
  8. the smallest unit of matter.
  9. has a neutral charge and is located in the nucleus.
  10. where most of the mass in an atom is located.
  11. have properties of both metals and nonmetals.
  12. The law of conservation of _____ states that _____ cannot be created or destroyed.
Down
  1. elements in the same ______ share similar physical and chemical properties.
  2. a substance or molecule that participates in a chemical reaction.
  3. non-reactive group, group 18.
  4. tells you how many molecules of that particular compound you have.
  5. a group of two or more atoms that are chemically bonded together. Ex. H2O
  6. has a negative charge and is located in a cloud outside of the nucleus.
  7. this subatomic particle identifies an element.

19 Clues: the smallest unit of matter. • non-reactive group, group 18. • determines the number of energy levels. • where most of the mass in an atom is located. • have properties of both metals and nonmetals. • a substance that forms in a chemical reaction. • this subatomic particle identifies an element. • has a neutral charge and is located in the nucleus. • ...

Speed of Chemical Reactions 2014-04-24

Speed of Chemical Reactions crossword puzzle
Across
  1. A chemical reaction in which a solid is formed from mixing two liquids.
  2. A solid substance can be separated from a liquid by this process.
  3. The chemical name for salt
  4. When this substance reacts to form a compound an oxide is formed.
  5. Substance formed when water freezes.
  6. The rate of a chemical reaction can be increased by reducing the size of this.
  7. A substance in which contains 2 or more elements that are not chemically bonded together.
Down
  1. Where you would find all the elements.
  2. A property of iron.
  3. The non metal that is found in the substance aluminium nitride.
  4. The gas that you breathe out.
  5. The substance formed when copper reacts with bromine.
  6. Type of energy released when there is an increase in temperature.
  7. Type of energy produced by the sun.
  8. An element which is a yellow powder which produces an eggy small when heated.
  9. Substance that reacts with acid to form a gas.
  10. Process by which water can be separated from a solution.
  11. Type of gas you would find in a swimming pool.
  12. A substance made of more than one element that are chemically bonded together.

19 Clues: A property of iron. • The chemical name for salt • The gas that you breathe out. • Type of energy produced by the sun. • Substance formed when water freezes. • Where you would find all the elements. • Substance that reacts with acid to form a gas. • Type of gas you would find in a swimming pool. • The substance formed when copper reacts with bromine. • ...

LEAP Review- Science 2022-04-12

LEAP Review- Science crossword puzzle
Across
  1. all factors that must remain the same; allows for a 'fair test'
  2. factor that responds to the change in an experiment
  3. ___________ have a positive charge
  4. is anything that takes up space and has mass
  5. ____________ change is when a substance is changed into a different substance.
  6. _____________ observation. Data described in numbers. such as mass, height, volume, temperature, distance, time, etc
  7. a characteristic or ability of a substance to change into a different substance.
  8. number of protons + neutrons.
  9. number of protons and also the number of electrons in an atom of an element.
Down
  1. a trait of a substance that can be observed or measured without changing the substance into another substance
  2. ____________ observation. Describes data using words based on qualities like color, odor, texture
  3. ____________ have no charge
  4. _____________ observation. Data described in numbers. such as mass, height, volume, temperature, distance, time, etc
  5. made of two or more different elements chemically combined in a set ratio
  6. created when two or more atoms join together.
  7. ___________ have a negative charge
  8. A substance made of one type of atom. Cannot be separated into simpler substances.
  9. A chemical reaction that releases energy in the form of heat
  10. A chemical reaction that absorbs energy in the form of heat
  11. ___________ change does not change what the substance is

20 Clues: ____________ have no charge • number of protons + neutrons. • ___________ have a positive charge • ___________ have a negative charge • is anything that takes up space and has mass • created when two or more atoms join together. • factor that responds to the change in an experiment • ___________ change does not change what the substance is • ...

Balancing Equation Crossword 2021-01-29

Balancing Equation Crossword crossword puzzle
Across
  1. symbolic representation of a chemical reaction
  2. Mass is neither created or destroyed, which is why we balance chemical reactions
  3. the arrow that indicates a chemical reaction is occurring
  4. Small number written after and BELOW an element in a chemical formula telling you how many of the atoms you have in the chemical formula
Down
  1. all elements in a equation are equal in number
  2. the number of elements are not all equal
  3. things that react together (on the left side of the equation)
  4. Normal sized numbers written to balance a chemical equation in front of the element or compound
  5. things that are produced (on the right side of the equation)

9 Clues: the number of elements are not all equal • all elements in a equation are equal in number • symbolic representation of a chemical reaction • the arrow that indicates a chemical reaction is occurring • things that are produced (on the right side of the equation) • things that react together (on the left side of the equation) • ...

Chemistry Crossword Puzzle 2015-06-16

Chemistry Crossword Puzzle crossword puzzle
Across
  1. the substance dissolved in a solution
  2. Law For a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure
  3. equation an expression representing a chemical reaction; the formulas of the reactants are connected by an arrow with the formulas for the products
  4. The tendency of molecules to move toward areas of lower concentration until the concentration is uniform throughout
  5. Theory The theory that all matter consists of tiny particles that are in constant motion
  6. reaction a chemical change in which a single compound is broken down into two or more simpler products
  7. A device that is used to measure atmospheric pressure
  8. gas law The gas law that includes all four variables -- P, V,T, and n
  9. the dissolving medium in a solution
Down
  1. a compounds ability or capability to dissolve in solution
  2. a small whole number that appears in front of a formula in a balanced chemical equation
  3. Point The temperature at which a solid changes into a liquid
  4. Theory Describes mathematically the wave properties of electrons and other very small particles.
  5. a substance that dissolves in water to give a solution that conducts electric current
  6. pressure The contribution each gas in a mixture of gases makes to the total pressure
  7. a homogeneous mixture of two or more substance in a single phase
  8. equation a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  9. One wave per second.

18 Clues: One wave per second. • the dissolving medium in a solution • the substance dissolved in a solution • A device that is used to measure atmospheric pressure • a compounds ability or capability to dissolve in solution • Point The temperature at which a solid changes into a liquid • a homogeneous mixture of two or more substance in a single phase • ...

Chemistry 2016-02-11

Chemistry crossword puzzle
Across
  1. the letter or letters that symbolize a certain element
  2. the mass of an element
  3. energy is given off
  4. Atomic particle found in the nucleus and carries a positive charge
  5. energy is absorbed
  6. one solid base gas, solid, or liquid by itself
  7. matter cannot be created or destroyed, only changed
  8. Atomic particles that move around the nucleus; Negative charge
  9. the objects that are reacting with each other in a chemical reaction
  10. group of elements that are odorless, colorless, and nonreactive
  11. a reaction when a layer of metal is bonded to another substance
Down
  1. group of two or more of the same ore different elements
  2. partially conductive, good for semiconductors and computer chips
  3. solid, shiny, ductile, good conductor, and malleable
  4. group of two or more different elements
  5. the electrons in the outer most orbital
  6. vertical grouping on the P.T.
  7. not malleable, conductive, or ductile, and very brittle
  8. center part of an atom
  9. Atomic particle found in the nucleus and carries a neutral charge
  10. the result of a chemical reaction
  11. the amount of protons and electrons
  12. regions of space outside the nucleus of an atom
  13. Russian chemist created periodic table
  14. The smallest part of an element
  15. horizontal grouping on the P.T.

26 Clues: energy is absorbed • energy is given off • the mass of an element • center part of an atom • vertical grouping on the P.T. • The smallest part of an element • horizontal grouping on the P.T. • the result of a chemical reaction • the amount of protons and electrons • Russian chemist created periodic table • group of two or more different elements • ...

Pretty Princess TEAS Chemistry 2026-04-01

Pretty Princess TEAS Chemistry crossword puzzle
Across
  1. The Outermost Shell; the specific electrons that actually do the bonding.
  2. The Positive Heart; the heavy positive particle in the nucleus.
  3. The Cake; what you end up with on the right side of the arrow.
  4. The Zippy Negative; the tiny particle buzzing around the outside.
  5. The Hand Warmer; a chemical reaction that releases heat out.
  6. The Positive Cat; an ion with a positive electrical charge.
  7. The Thief; one atom completely steals an electron from another.
  8. The Negative Onion; an ion with a negative electrical charge.
  9. The Pool; the liquid doing the dissolving.
  10. The Frost; a gas turns straight into a solid.
Down
  1. The Ingredients; what you start with on the left side of the arrow.
  2. The Heavy Cousin; same element but a different number of neutrons.
  3. The Powder; the stuff that gets dissolved in the mixture.
  4. The Magic Trick; a solid turns straight into a gas.
  5. The Neutral Buddy; the heavy particle in the nucleus with no charge.
  6. The Concentration; how crowded the molecules are in the liquid.
  7. The Ice Pack; a chemical reaction that pulls heat in.
  8. The Base; a substance with a pH higher than seven.
  9. The Co Parents; atoms that share their electrons.
  10. The Matchmaker; speeds up a reaction without getting used up itself.

20 Clues: The Pool; the liquid doing the dissolving. • The Frost; a gas turns straight into a solid. • The Co Parents; atoms that share their electrons. • The Base; a substance with a pH higher than seven. • The Magic Trick; a solid turns straight into a gas. • The Ice Pack; a chemical reaction that pulls heat in. • The Powder; the stuff that gets dissolved in the mixture. • ...

MATTER & ENERGY VOCABULARY Part 1 2013-09-23

MATTER & ENERGY VOCABULARY Part 1 crossword puzzle
Across
  1. The smallest particle of an element that cannot be broken down without losing its properties; basic unit that makes up all matter.
  2. The number of each molecule in a chemical formula.
  3. A short simple way to describe a chemical reaction using symbols.
  4. Simple model of an atom that shows the distribution of protons and neutrons in the nucleus and the distribution of electrons in orbiting energy levels.
  5. The force that holds the atoms of molecules and compounds together.
  6. The average mass of an atom.
Down
  1. Breaks easily when placed under stress.
  2. The number of protons found in the nucleus of an atom.
  3. When chemical bonds are broken and atoms rearrange, a chemical reaction occurs.
  4. Change in a substance through chemical reactions to form new substances with different properties.
  5. A substance made up of two or more different types of atoms (elements).

11 Clues: The average mass of an atom. • Breaks easily when placed under stress. • The number of each molecule in a chemical formula. • The number of protons found in the nucleus of an atom. • A short simple way to describe a chemical reaction using symbols. • The force that holds the atoms of molecules and compounds together. • ...

Chemistry crossword 2023-10-31

Chemistry crossword crossword puzzle
Across
  1. How close to the true value results are
  2. There are 118 of them
  3. Solid, liquid, gas
  4. When a gas substance forms a solid
  5. The 16th element
  6. Made of copper and tin
  7. A slow chemical reaction between metal and oxygen that makes metal oxide
  8. How close to each other the results are
  9. Water and carbon dioxide react through sunlight
  10. A chemical process where a substance gives off heat
  11. Turning a solid into liquid
  12. One of the smallest things
  13. Created when two or more metals are combined
  14. number The amount of protons and neutrons in an atom
  15. An ingredient in air
Down
  1. Able to be stretched into a wire
  2. It means that something can be hammered into a sheet without cracked
  3. A liquid turning into a solid
  4. How heavy is it for its size
  5. silver Made of silver and copper
  6. A substance dissolved in a solution
  7. The first element on the periodic table
  8. Having a Ph level of less than 7
  9. The construction of complex compounds from simpler ones
  10. Acid A liquid made with Hydrogen
  11. The 92nd element on the periodic table that has high radioactivity
  12. Shiny
  13. A chemical reaction between hydrocarbon and oxygen releasing heat and light
  14. Reaction between oxygen and sugar
  15. It is used by the human body

30 Clues: Shiny • The 16th element • Solid, liquid, gas • An ingredient in air • There are 118 of them • Made of copper and tin • One of the smallest things • Turning a solid into liquid • How heavy is it for its size • It is used by the human body • A liquid turning into a solid • Able to be stretched into a wire • Having a Ph level of less than 7 • silver Made of silver and copper • ...

Chemistry Crossword 2024-05-02

Chemistry Crossword crossword puzzle
Across
  1. The connection between two atoms in a molecule
  2. A compound that increases the amount of OH- ions in an aqueous solution
  3. Overall positive charge
  4. The characteristic temperature at which a liquid becomes a gas
  5. The characteristic temperature at which a solid becomes a liquid
  6. The transfer of energy from one body to another due to a difference in temperature
  7. An amount that is theoretically produced as calculated using the balanced chemical reaction
  8. A measure of the unequal sharing of electrons which has resulted in a dipole movement
  9. Area of enzymatic action where substrate molecules react
  10. The half cell that contains the oxidation reaction
  11. The smallest piece of an element that maintains the identity of that element
Down
  1. A gas law that relates volume and temperature at a constant pressure and amount
  2. A measure of the average amount of kinetic energy a system contains
  3. The movement of gas molecules from one container to another
  4. Used to measure the heat of a chemical reaction
  5. A species with an overall negative charge
  6. The reactants which are specific for a biological catalyst
  7. A gas law that relates pressure and volume at constant temperature and amount
  8. The loss of one of more electrons by an atom
  9. A tiny subatomic particle with a negative charge

20 Clues: Overall positive charge • A species with an overall negative charge • The loss of one of more electrons by an atom • The connection between two atoms in a molecule • Used to measure the heat of a chemical reaction • A tiny subatomic particle with a negative charge • The half cell that contains the oxidation reaction • ...

Weathering, Erosion, and Deposition 2024-02-22

Weathering, Erosion, and Deposition crossword puzzle
Across
  1. The process of rocks breaking apart due to violent contact with other particles.
  2. Of or relating to the chemistry of organisms.
  3. A body of water traveling a great distance.
  4. A large slab of ice that slowly moves downhill, shaping the landscape as it goes.
  5. The motion of the an atmosphere due to uneven heating.
  6. The process of moving weathered materials.
  7. The chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acids.
  8. A mix of sediments, minerals, and biological detritus that forms the very surface of Earth's land.
  9. The settling down of eroded materials in a new location.
  10. The process of breaking down rocks or minerals.
Down
  1. Relating to the mechanical laws of science.
  2. Of or relating to chemistry or molecular reactions.
  3. The chemical reactions that are a result of a material coming into contact with oxygen.
  4. Solid water at a temperature below water's freezing point.
  5. The reaction of a material with liquid water.
  6. The solid mineral material forming the much surface of the Earth and similar bodies.
  7. Fine weathered materials mixed together.
  8. The non-metallic solid substances forming much of the Earth's surface.
  9. A group of molecules of H2O.

19 Clues: A group of molecules of H2O. • Fine weathered materials mixed together. • The process of moving weathered materials. • Relating to the mechanical laws of science. • A body of water traveling a great distance. • Of or relating to the chemistry of organisms. • The reaction of a material with liquid water. • The process of breaking down rocks or minerals. • ...

Crossword Photosynthesis 2023-04-18

Crossword Photosynthesis crossword puzzle
Across
  1. the process by which glucose is synthesized during photosynthesis
  2. the molecule that carries electrons in photosynthesis
  3. the type of organisms that consume oxygen and produce carbon dioxide
  4. the type of molecule that is split during the light-dependent stage of photosynthesis
  5. the pigment responsible for absorbing light energy during photosynthesis
  6. the name of the cycle that occurs during the light-independent stage of photosynthesis
  7. the type of reaction that occurs during the light-independent stage of photosynthesis
  8. the organelle in plant cells where photosynthesis occurs
  9. the gas that is released as a byproduct of photosynthesis
  10. the type of energy stored in chemical bonds during photosynthesis
  11. the type of organisms that undergo photosynthesis
Down
  1. the process by which oxygen is produced during photosynthesis
  2. the type of energy required for photosynthesis to occur
  3. the type of molecule that is produced during the light-dependent stage of photosynthesis
  4. the antonym of dependent
  5. the green pigment found in chloroplasts that is involved in photosynthesis
  6. the process by which plants convert light energy into chemical energy
  7. the type of reaction that occurs during the light-dependent stage of photosynthesis
  8. the stage of photosynthesis where carbon dioxide is fixed into glucose
  9. the type of molecule is produced during the light-independent stage of photosynthesis

20 Clues: the antonym of dependent • the type of organisms that undergo photosynthesis • the molecule that carries electrons in photosynthesis • the type of energy required for photosynthesis to occur • the organelle in plant cells where photosynthesis occurs • the gas that is released as a byproduct of photosynthesis • ...

Unit B Crossword - Matter and Chemical Change 2017-11-13

Unit B Crossword - Matter and Chemical Change crossword puzzle
Across
  1. Positively charged particle in the nucleus of an atom.
  2. Chemical combination of two or more elements in a specific ratio.
  3. Change of state from a gas to a solid.
  4. An experiment in which all reactants and all products of a chemical reaction are accounted for.
  5. Atom that has become electrically charged because it has gained or lost electrons.
  6. Orbit of electrons around the nucleus of an atom.
  7. A combination of pure substances.
  8. Shiny, malleable, ductile element that conducts electricity.
  9. Mixture in which the different substances that make it up are visible.
  10. Pure substance formed when at least one metal and one non-metal combine.
  11. Change in the appearance or state of a substance that doesn’t change the composition.
Down
  1. Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of that atom.
  2. Neutral particle in the nucleus of an atom.
  3. Number of protons in the nucleus of one atom of an element.
  4. Pure substance that cannot be broken down into other substances.
  5. New substance created in a chemical reaction between reactants.
  6. A cloudy mixture in which tiny particles within a substance are held within another and can not be separated.
  7. Pure substance formed when non-metals combine.
  8. An experiment in which one or more products of a chemical reaction can escape.
  9. Change that results when two or more substances react to create a different substance or substances.
  10. Horizontal row of elements in the periodic table.
  11. Mixture of two or more pure substances that looks like one substance.
  12. The smallest part of an element that is representative of that element.
  13. An element that has both metallic and non-metallic properties.
  14. (In Chemistry) Vertical column of elements in the periodic table, also called a group.

25 Clues: A combination of pure substances. • Change of state from a gas to a solid. • Neutral particle in the nucleus of an atom. • Pure substance formed when non-metals combine. • Orbit of electrons around the nucleus of an atom. • Horizontal row of elements in the periodic table. • Positively charged particle in the nucleus of an atom. • ...

Bio 3 chapter 2021-08-20

Bio 3 chapter crossword puzzle
Across
  1. reaction that causes breakdown of larger molecules into smaller molecules by utilizing water
  2. chemical signaling molecule, usually protein or steroid, secreted by endocrine cells that act to control or regulate specific physiological processes
  3. membranes' major constituent; comprised of two fatty acids and a phosphate-containing group attached to a glycerol backbone
  4. linkage covalent chemical bond that holds together the polynucleotide chains with a phosphate group linking neighboring nucleotides' two pentose sugars
  5. Also known as fat
  6. polysaccharide that comprises the plants's cell wall
  7. The building block of protein
  8. biological macromolecule comprised of one or more amino acid chains
  9. process through which RNA directs the protein's formation
  10. This is seen in forms of single and multiple sugars
  11. This is the building blocks of nucleic acids
  12. bond formed by a dehydration reaction between two monosaccharides with eliminating a water molecule
  13. long chain of nucleotides
  14. storage carbohydrate in animals
  15. loss of shape in a protein as a result of changes in temperature, pH, or chemical exposure
Down
  1. This means 2 sugars
  2. process through which messenger RNA forms on a template of DNA
  3. large molecule necessary for life that is built from smaller organic molecules
  4. This the full name of DNA
  5. chain of monomer residues that covalent bonds link; polymerization is the process of polymer formation from monomers by condensation
  6. smallest unit of larger molecules that are polymers
  7. reaction that links monomer molecules releasing a water molecule for each bond formed
  8. lipid comprised of a long-chain fatty acid that is esterified to a long-chain alcohol; serves as a protective coating on some feathers, aquatic mammal fur, and leaves
  9. protein that helps nascent protein in the folding process
  10. type of carbohydrate that forms the outer skeleton of all arthropods
  11. This helps facilitate chemical reactions

26 Clues: Also known as fat • This means 2 sugars • This the full name of DNA • long chain of nucleotides • The building block of protein • storage carbohydrate in animals • This helps facilitate chemical reactions • This is the building blocks of nucleic acids • smallest unit of larger molecules that are polymers • This is seen in forms of single and multiple sugars • ...

Biology crossword Unit 1 2022-12-06

Biology crossword Unit 1 crossword puzzle
Across
  1. = bigger unit of monomer
  2. = made of CHO(carbon,hydrogen,oxygen) and is the main source of energy for animals/humans and "short term energy source"
  3. = effector binding sites within enzymes, distinct from the active site of the enzyme
  4. = molecules do not sit in the active site and change the shape of the enzyme and therefore the shape of the active site
  5. = chemical reactions in which the reactants absorb heat energy from the surroundings to form products
  6. = molecule that transports chemical energy within cells for metabolsim
  7. = made of CHON(carbon,hydrogen,oxygen,nitrogen) and main source of muscles
  8. = A chemical reaction that builds up molecules by losing water molecules
  9. = An interaction involving a hydrogen atom located between a pair of other atoms having high affinity for electrons.
  10. = The substance that is being dissolved
  11. = the process of breaking large molecules
  12. = macromolecule inside nucleus
  13. = the process of splitting a compound into fragments with the addition of water; a kind of reaction that is used to break down polymers into simpler(smaller) units
Down
  1. = chemical reactions that produce heat
  2. = speeds up reaction by lowering activation energy
  3. = When a substance is attracted to the same substance
  4. = made of CHO(carbon,hydrogen,oxygen) and contains fat/oil/wax and "long term energy source"
  5. = A liquid in which solute are being dissolved
  6. = molecules sit in the active site of the enzyme and prevent the entry of the substrate
  7. = the process by which the body changes food and drink into energy
  8. = "water loving"
  9. = substance produced by a living organism which acts as a catalyst; almost always protein
  10. = molecules that form proteins
  11. = "water fearing"
  12. = Pockets in the fads on enzyme surfaces; acts only on a specific substance
  13. = The attraction of molecules of one kind for molecules of a different kind
  14. = the process of creating large molecules from smaller molecues, utilizing energy
  15. = "CHONP"
  16. = smaller unit of polymer

29 Clues: = "CHONP" • = "water loving" • = "water fearing" • = bigger unit of monomer • = smaller unit of polymer • = molecules that form proteins • = macromolecule inside nucleus • = chemical reactions that produce heat • = The substance that is being dissolved • = the process of breaking large molecules • = A liquid in which solute are being dissolved • ...