chemical reaction Crossword Puzzles

science words 2024-04-09

science words crossword puzzle
Across
  1. solid formed by mixing somthing
  2. a chemical that gives off hydrogen
  3. a substanc that can nutraluze the adic by reacting with hydonice ions
  4. change a type of change where the physical property of the matter chnages
  5. a variabe that used to regulate the flow of control
Down
  1. a content term related to the propertys of a product
  2. a variable not to be dependent on nything
  3. a substance that incresses the rate of a chemical without undergoing any perimint chemical change
  4. mesured how acid and alkaline a substance
  5. reaction a process are formed due to chemical reaction

10 Clues: solid formed by mixing somthing • a chemical that gives off hydrogen • a variable not to be dependent on nything • mesured how acid and alkaline a substance • a variabe that used to regulate the flow of control • a content term related to the propertys of a product • reaction a process are formed due to chemical reaction • ...

science crossword puzzle 2025-02-07

science crossword puzzle crossword puzzle
Across
  1. a nonmetallic element that is the simplest and lightest of the elements
  2. a colorless odorless tasteless gas
  3. respiration a series of chemical reactions that break down
  4. potential energy energy that is released when atoms for bonds
  5. an organic compound with molecular formula
  6. a chemical element that happens to be one of the most stable
Down
  1. the process by which plants, algae, and certain bacteria use sunlight, water, and carbon dioxide to create oxygen and sugar
  2. more energy is released then absorbed
  3. more energy is absorbed then released
  4. energy energy made by heat
  5. reaction A Chemical Reaction is a process that occurs when two or more molecules interact to form a new product

11 Clues: a colorless odorless tasteless gas • more energy is released then absorbed • more energy is absorbed then released • an organic compound with molecular formula • energy energy made by heat • a chemical element that happens to be one of the most stable • potential energy energy that is released when atoms for bonds • ...

Chemistry Unit Crossword 2016-02-10

Chemistry Unit Crossword crossword puzzle
Across
  1. mass of atom, located at bottom of symbol box
  2. atomic particles found in the nucleus, positive charge
  3. a reaction that occurs in which a layer of metal is bonded to the surface of another substance, which is usually another metal
  4. regions of space outside the nucleus of an atom
  5. atoms in the outermost orbital
  6. always contains the same number of electrons and protons
  7. what we put in a chemical reaction, to get a reaction/what will react
  8. atomic particles found in nucleus, neutral charge
  9. mix of metals and nonmetals, partially conduct energy
  10. horizontal row atomic numbers increase left to right #erd 1-7
  11. created the periodic table of the elements
  12. at least two atoms of different elements combined
Down
  1. one to two letters representing an element
  2. matter can be changed from one form to another, mass is constant
  3. smallest unit of any form of matter
  4. particle appears in nucleus of atom- exempt hydrogen, positive charge
  5. substance that can't be chemically broken down
  6. very good when conducting heat or energy
  7. very poor conducting heat or energy, weak Compaired to metal
  8. two or more atoms of any element combined
  9. energy is taken in temperature feels cooler
  10. columns of elements on the periodic table 18 columns
  11. energy given off, feels warm
  12. any of gaseous elements
  13. atomic particles move around nucleus, negative charge.
  14. what we get out of a chemical reaction

26 Clues: any of gaseous elements • energy given off, feels warm • atoms in the outermost orbital • smallest unit of any form of matter • what we get out of a chemical reaction • very good when conducting heat or energy • two or more atoms of any element combined • one to two letters representing an element • created the periodic table of the elements • ...

Science Crossword Puzzle 2025-03-11

Science Crossword Puzzle crossword puzzle
Across
  1. When water gets really hot and turns into steam
  2. A state of matter that spreads out to fill any space
  3. A combination of things that are not chemically stuck together
  4. A state of matter that takes the shape of its container
  5. When a puddle dries up
  6. When something new is made, like burning paper
  7. What you end up with in a chemical reaction
  8. A mixture where something dissolves in liquid
  9. The amount of space something takes up
  10. A state of matter that stays the same shape
  11. The energy that makes things move
  12. The push of air or gas inside something
  13. The rule that matter is never lost, only changed
  14. When gas skips turning into liquid and becomes solid
  15. A substance made of two or more elements
  16. A reaction that gives off heat
Down
  1. How much stuff is packed in a space
  2. When ice skips melting and turns into gas
  3. A state of matter found in fire and stars
  4. A pure substance from the periodic table
  5. A reaction that takes in heat
  6. A change where nothing new is made, like cutting paper
  7. The amount of material in something
  8. When water turns into ice
  9. When ice turns into water
  10. When water forms on a cold drink
  11. When a smell spreads through the air
  12. How hot or cold something is
  13. When something changes from solid to liquid or gas
  14. What you start with in a chemical reaction

30 Clues: When a puddle dries up • When water turns into ice • When ice turns into water • How hot or cold something is • A reaction that takes in heat • A reaction that gives off heat • When water forms on a cold drink • The energy that makes things move • How much stuff is packed in a space • The amount of material in something • When a smell spreads through the air • ...

biology 2025-04-24

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

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

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  2. is negative charge but also is part of a atom
  3. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
Down
  1. is the objetive or the resul of a previus process
  2. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  3. is when 22 ore more elements have a reaction or change when they are together
  4. this is use to pull apart the colour by the sun light
  5. is when something is connected like elemnts, subtances, people, subjets; etc.
  6. is the symbols or the reprensetantion of a chemical change
  7. is the number 8 on the peridic table and is a gas

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when 22 ore more elements have a reaction or change when they are together • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Chemistry Dept study Crossword 2023-12-01

Chemistry Dept study Crossword crossword puzzle
Across
  1. A state in which the rate of the forward reaction equals the rate of the backward reaction
  2. the abundance of a constituent divided by the total volume of a mixture
  3. a group of two or more atoms held together by attractive forces known as chemical bonds
  4. H₂CO₃
  5. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  6. the process of becoming an acid or the act of making something become an acid
  7. the plants, animals, and other organisms that live in the salt water of seas or oceans
  8. a measure of how acidic/basic water is
Down
  1. CharWhen a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. CO2
  3. a process that leads to the chemical transformation of one set of chemical substances to another.
  4. a principle of chemistry used to predict the rates of chemical reactions

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

8th Chemistry Vocabulary 2018-03-07

8th Chemistry Vocabulary crossword puzzle
Across
  1. A negatively charged subatomic particle founding the electron cloud and has very little mass
  2. A positively charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.
  3. The tiny, very dense, positively charged region in the center of an atom; made up of protons and neutrons
  4. Majority of the elements on the periodic table are solid, shiny, malleable, and good conductors of heat and electricity.
  5. A substance produced during a chemical reaction
  6. A pure substance made of only one kind of atom
  7. A group of atoms bonded together; Can be the same elements or different elements
  8. The process by which one or more substances change to produce one or more different substances.
  9. A substance that takes part in and undergoes change during a reaction
  10. The electrons in the outermost energy level of an atom that influence the reactivity of the element
  11. A small number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
  12. Matter is neither created nor destroyed. Therefore, mass of all reactants must equal the mass of all products.
  13. The smallest particle of an element, made of electrons, protons, and neutrons
  14. A number placed in front of a chemical symbol or formula in order to balance the equation.
  15. A substance made of two or more elements chemically combined; must be more than one type of element
Down
  1. A table showing the chemical elements arranged according to their atomic numbers
  2. The rows in a Periodic Table that classify the elements by the number of electron shells/energy levels
  3. The columns on a Periodic Table that arrange the elements by the number of valence electrons in the outermost shell.
  4. A solid that forms from two liquids in a solution during a chemical reaction.
  5. the area surrounding the nucleus of an atom; where the electrons are found
  6. the mass of an atom, approximately equal to the number of protons and neutrons in the atom
  7. Chemical formulas and symbols written to represent a reaction
  8. Elements that have properties of both metals and non-metals; sometimes referred to as semiconductors
  9. Elements not shiny, usually a gas or brittle solid, not malleable, and poor conductors of heat and electricity
  10. A combination of symbols that represent the elements in a compound
  11. the number of protons in the nucleus of a single atom
  12. A neutrally charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.

27 Clues: A pure substance made of only one kind of atom • A substance produced during a chemical reaction • the number of protons in the nucleus of a single atom • Chemical formulas and symbols written to represent a reaction • A combination of symbols that represent the elements in a compound • A substance that takes part in and undergoes change during a reaction • ...

Properties 2023-11-30

Properties crossword puzzle
Across
  1. common with chemical properties
  2. can be measured without changing
  3. trait of physical property
  4. makes up anything
Down
  1. combine with other substance for reaction
  2. trait of chemical property
  3. trait of chemical property
  4. traits of physical property
  5. trait of physical property
  6. characteristics of matter

10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction

General Chemistry 2020-05-24

General Chemistry crossword puzzle
Across
  1. unit of mass, it's abbreviation is lbs.
  2. scale where the freezing point is 32° _ and it's oiling point is 212° _
  3. 1 kilogram is equivalent to 1000 _____
  4. the most time consuming but easiest way of separating substance
  5. point when the temperature reaches 0° C
  6. measures the amount of matter in
  7. a process that uses a high boiling point in removing particles or bacteria
  8. the surface's characteristic, often describe with the words soft, rough, etc.
  9. a pure substance or any mixture
  10. amount of space that is occupied
  11. a process where they use sifters to separate a dry mixture
  12. this measurement's symbol is d
  13. used in measuring the width of something
  14. amount of space that is occupied by the material, it is a n extensive property
  15. _____ zeros are never significant
  16. appearance of an object in respect of the reflection of the light
  17. conversion of gas to liquid
  18. it refers to when a substance will burn when it encountered fire or flame
  19. has the same physical and chemical properties
  20. a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
  21. studies about drugs and it's reaction to an organism
  22. studies the effect of poisons on living organism
  23. wherein it studies the reaction of a chemical that's in a living things
  24. amount of a substance
Down
  1. mixture wherein you can see the two different substance with the naked eye
  2. chemistry studies the behavior and changes of a matter
  3. goes straight from solid state through gas without passing the liquid stage
  4. quantity of mass
  5. chemistry deals with the composition of a substance
  6. all non-zero digits are ____
  7. a process where they use magnets to separate a material from the mixture
  8. a state in which particles are flowing with each other
  9. study of hereditary and genes
  10. this measurement's factor is 10¹²
  11. it's a process where it is separated by heat that turns liquid into gas
  12. point in which the temperature causes the substance to melt
  13. separated based on the inner molecular attraction
  14. when two or more substance are combined but still has their own chemical identities
  15. the study of the arrangement of atoms and it's physical and chemical effect on a substance
  16. sum of chemical reaction in living things
  17. this measurement's symbol is M
  18. mixture that are combined thoroughly that you can't distinguish the elements
  19. system composed of seven basic units, it is used around the world.
  20. point it is when the temperature causes the substance to boil
  21. a state of matter where the particles are loosely scattered and are far away from each other
  22. a state of matter wherein the particles are compact with each other tightly
  23. can't be split into simpler components
  24. when two elements are chemically combined
  25. commonly used for measuring the time
  26. smallest particle of matter

50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...

Chemistry 2021-10-18

Chemistry crossword puzzle
Across
  1. first column on the table; most reactive metal
  2. reaction where one element gets subsituted
  3. reaction where atoms combine to make a compound
  4. reaction where energy is released
  5. last column on the table; extremely unreactive
  6. examples of this change include phase change, tearing, and breaking
  7. smallest possible unit
  8. positively charged particles in the nucleus
Down
  1. organizes elements in a specific way
  2. reaction where energy is absorbed
  3. neutral particles in the nucleus
  4. examples of this change include rust, change in color, gives off heat/light, not reversible
  5. number of valence electrons all atoms want in the outer most shell
  6. negatively charged particles surrounding the nucleus

14 Clues: smallest possible unit • neutral particles in the nucleus • reaction where energy is absorbed • reaction where energy is released • organizes elements in a specific way • reaction where one element gets subsituted • positively charged particles in the nucleus • first column on the table; most reactive metal • last column on the table; extremely unreactive • ...

Science Vocabulary 2019-09-12

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

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

Bioenergy 2022-04-29

Bioenergy crossword puzzle
Across
  1. Mitochondria have highly folded inner membranes to increase _____.
  2. Part of the chloroplast where light-independent reactions occur.
  3. Food produced by photosynthesis.
  4. The number of oxygen molecules required to break down one glucose.
  5. Wavelength of light not absorbed by chlorophyll.
  6. Stacks of thylakoids; increase the surface area and efficiency of the chloroplast.
  7. Photosynthesis _____ energy in food.
  8. The number of ATP produced from anaerobic fermentation.
  9. Organelle that does photosynthesis.
  10. Organelle that does cellular respiration.
  11. Things required to begin a chemical reaction.
  12. The ultimate source of energy in an ecosystem.
  13. Organism that can produce its own food.
  14. Process by which an organism produces its own food.
  15. The process by which food is broken down to release stored energy.
  16. Light-absorbing pigment in the chloroplast.
Down
  1. States that energy and matter cannot be created or destroyed.
  2. Reaction that requires oxygen.
  3. Part of the chloroplast where light-dependent reactions occur.
  4. Anaerobic process; partial breakdown of glucose.
  5. Gas that is a product of photosynthesis and reactant of respiration.
  6. The number of ATP produced from aerobic respiration.
  7. Respiration _____ energy from food.
  8. Things made at the end of a chemical reaction.
  9. Gas that is a product of respiration and reactant of photosynthesis.
  10. Organelle in which fermentation occurs.
  11. Organism that must consume others for energy.
  12. C6H12O6
  13. Molecule with three phosphates; stores energy.
  14. Reaction that does not require oxygen.
  15. Molecule with two phosphates; has the potential to store energy.

31 Clues: C6H12O6 • Reaction that requires oxygen. • Food produced by photosynthesis. • Respiration _____ energy from food. • Organelle that does photosynthesis. • Photosynthesis _____ energy in food. • Reaction that does not require oxygen. • Organelle in which fermentation occurs. • Organism that can produce its own food. • Organelle that does cellular respiration. • ...

Crossword Puzzle 6 2025-07-05

Crossword Puzzle 6 crossword puzzle
Across
  1. Resistance to change in motion
  2. Rapid back-and-forth movement
  3. Two or more atoms combined
  4. Plants make food with sunlight
  5. A chemical change
  6. Speeds up a reaction
Down
  1. Force per area
  2. Resistance when things rub together
  3. Path electricity flows through
  4. Center of an atom
  5. Basic unit of matter
  6. Needed to do work
  7. Force that pulls objects down
  8. Speed in a direction
  9. Positive particle in an atom
  10. Mass per volume

16 Clues: Force per area • Mass per volume • Center of an atom • Needed to do work • A chemical change • Basic unit of matter • Speed in a direction • Speeds up a reaction • Two or more atoms combined • Positive particle in an atom • Force that pulls objects down • Rapid back-and-forth movement • Resistance to change in motion • Path electricity flows through • Plants make food with sunlight • ...

Science Vocabulary for matter 2020-10-13

Science Vocabulary for matter crossword puzzle
Across
  1. is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
  2. any quality that can be established only by changing a substance's chemical
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  4. The melting point of a substance is the temperature at which it changes state from solid to liquid.
  5. The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
Down
  1. a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change.
  2. Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
  3. is a measure of how easily a substance bursts into flame
  4. is the ability of a chemical to burn or ignite
  5. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
  6. Precipitation is defined as the creation of a solid from a solution. When the reaction occurs in a liquid solution

11 Clues: is the ability of a chemical to burn or ignite • is a measure of how easily a substance bursts into flame • any quality that can be established only by changing a substance's chemical • The melting point of a substance is the temperature at which it changes state from solid to liquid. • ...

Life's Processes Vocab 2025-03-01

Life's Processes Vocab crossword puzzle
Across
  1. when a substance changes its appearance or state, but its chemical composition remains the same.
  2. what carbonhydrates break into
  3. when a set of substances undergo a chemical change into a differnt substance
  4. Matter cannot be created or destroyed, it can only be change
Down
  1. Chemical reation where organisms are oxygen and food molecules to create carbon dioxide, water, and energy
  2. Chemical reactionon between sunlight, water, carbon dioxide, food molecules, and oxygen
  3. the abilty to do something
  4. substances produced by the cemical reaction
  5. the input of a chemical reaction

9 Clues: the abilty to do something • what carbonhydrates break into • the input of a chemical reaction • substances produced by the cemical reaction • Matter cannot be created or destroyed, it can only be change • when a set of substances undergo a chemical change into a differnt substance • ...

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. The product of starch digestion.
  2. The enzyme that digests lipid.
  3. Collisions occur at a faster rate when this is high.
  4. What enzyme and substrate must do before a chemical reaction takes place
  5. The temperature at which enzymes work fastest.
  6. A specific protein that controls the rate of chemical reactions in living organisms
Down
  1. The general name for the molecule that binds to the active site of an enzyme.
  2. When this is digested amino acids are produced.
  3. The enzyme that digests starch.
  4. The chemical that is made in a reaction.
  5. When this is digested glycerol and three fatty acids are produced.

11 Clues: The enzyme that digests lipid. • The enzyme that digests starch. • The product of starch digestion. • The chemical that is made in a reaction. • The temperature at which enzymes work fastest. • When this is digested amino acids are produced. • Collisions occur at a faster rate when this is high. • When this is digested glycerol and three fatty acids are produced. • ...

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. The product of starch digestion.
  2. The enzyme that digests lipid.
  3. Collisions occur at a faster rate when this is high.
  4. What enzyme and substrate must do before a chemical reaction takes place
  5. The temperature at which enzymes work fastest.
  6. A specific protein that controls the rate of chemical reactions in living organisms
Down
  1. The general name for the molecule that binds to the active site of an enzyme.
  2. When this is digested amino acids are produced.
  3. The enzyme that digests starch.
  4. The chemical that is made in a reaction.
  5. When this is digested glycerol and three fatty acids are produced.

11 Clues: The enzyme that digests lipid. • The enzyme that digests starch. • The product of starch digestion. • The chemical that is made in a reaction. • The temperature at which enzymes work fastest. • When this is digested amino acids are produced. • Collisions occur at a faster rate when this is high. • When this is digested glycerol and three fatty acids are produced. • ...

Photosynthesis 2021-04-20

Photosynthesis crossword puzzle
Across
  1. Tubes that distribute water to the plant
  2. Substances formed in a chemical reaction
  3. Green Pigment
  4. Lets gases in and out
  5. stuff needed to survive
Down
  1. What is needed for a reaction to take place
  2. comes from the sun
  3. Organelles needed for photosynthesis
  4. Plants use the energy light in a reaction
  5. Carries glucose
  6. needed for reactants

11 Clues: Green Pigment • Carries glucose • comes from the sun • needed for reactants • Lets gases in and out • stuff needed to survive • Organelles needed for photosynthesis • Tubes that distribute water to the plant • Substances formed in a chemical reaction • Plants use the energy light in a reaction • What is needed for a reaction to take place

General Chemistry 2020-05-24

General Chemistry crossword puzzle
Across
  1. unit of mass, it's abbreviation is lbs.
  2. scale where the freezing point is 32° _ and it's boiling point is 212° _
  3. 1 kilogram is equivalent to 1000 _____
  4. the most time consuming but easiest way of separating substance
  5. Point when the temperature reaches 0° C
  6. measures the amount of matter in
  7. a process that uses a high boiling point in removing particles or bacteria
  8. the surface's characteristic, often describe with the words soft, rough, etc.
  9. a pure substance or any mixture
  10. amount of space that is occupied
  11. a process where they use sifters to separate a dry mixture
  12. this measurement's symbol is d
  13. used in measuring the width of something
  14. amount of space that is occupied by the material, it is a n extensive property
  15. _____ zeros are never significant
  16. appearance of an object in respect of the reflection of the light
  17. conversion of gas to liquid
  18. it refers to when a substance will burn when it encountered fire or flame
  19. has the same physical and chemical properties
  20. a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
  21. studies about drugs and it's reaction to an organism
  22. studies the effect of poisons on living organism
  23. wherein it studies the reaction of a chemical that's in a living things
  24. amount of a substance
Down
  1. mixture wherein you can see the two different substance with the naked eye
  2. Chemistry studies the behavior and changes of a matter
  3. goes straight from solid state through gas without passing the liquid stage
  4. quantity of mass
  5. Chemistry deals with the composition of a substance
  6. all non-zero digits are ____
  7. a process where they use magnets to separate a material from the mixture
  8. a state in which particles are flowing with each other
  9. study of hereditary and genes
  10. this measurement's factor is 10¹²
  11. it's a process where it is separated by heat that turns liquid into gas
  12. Point in which the temperature causes the substance to melt
  13. separated based on the inner molecular attraction
  14. when two or more substance are combined but still has their own chemical identities
  15. the study of the arrangement of atoms and it's physical and chemical effect on a substance
  16. sum of chemical reaction in living things
  17. this measurement's symbol is M
  18. mixture that are combined thoroughly that you can't distinguish the elements
  19. System composed of seven basic units, it is used around the world.
  20. Point it is when the temperature causes the substance to boil
  21. a state of matter where the particles are loosely scattered and are far away from each other
  22. a state of matter wherein the particles are compact with each other tightly
  23. can't be split into simpler components
  24. when two elements are chemically combined
  25. commonly used for measuring the time
  26. smallest particle of matter

50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...

Chemical Crossword 2023-10-29

Chemical Crossword crossword puzzle
Across
  1. A substance in which other substances can dissolve to form a solution.
  2. A state of matter with no fixed shape or volume; its particles are widely spaced and move freely.
  3. A substance formed when two or more different elements chemically combine in fixed ratios.
  4. A mixture of two or more elements, with at least one of them being a metal, that exhibits unique properties.
  5. The mass of an object per unit volume, often used to describe how tightly packed the particles in a substance are.
  6. Anything that has mass and occupies space; it can exist in various states, such as solid, liquid, or gas.
  7. The process of changing from a solid to a liquid state due to an increase in temperature.
  8. The substances that participate in a chemical reaction to produce products.
  9. An alloy composed of nickel and chromium, used for its resistance to high temperatures and electrical conductivity.
  10. A subatomic particle found in the nucleus of an atom, with no electric charge.
  11. A chemical element with the symbol Na and atomic number 11, a soft, silvery-white metal that is highly reactive with water and air.
  12. An alloy primarily composed of copper and tin, known for its strength and historical use in sculptures and tools.
  13. Related to or involving substances and processes in the study of chemistry.
  14. A pure substance made up of only one type of atom, characterized by its unique chemical properties.
  15. A state of matter with a fixed shape and volume; its particles are closely packed and have a regular structure.
Down
  1. Connections or links that hold atoms together in molecules.
  2. A substance with a pH value less than 7, which can donate protons (H+ ions) in a solution.
  3. The substances formed as a result of a chemical reaction.
  4. Smallest unit of matter that can exist by itself
  5. A subatomic particle found in the nucleus of an atom, with a positive electric charge.
  6. The property of a material to be stretched or drawn into a wire or thread without breaking.
  7. The ability of a material to withstand an applied force without breaking or deforming.
  8. A substance with a pH value greater than 7, which can accept protons (H+ ions) in a solution.
  9. A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent).
  10. A subatomic particle orbiting the nucleus of an atom, with a negative electric charge.
  11. A state of matter with a fixed volume but no fixed shape; its particles are more loosely packed than in a solid.
  12. A chemical reaction in which a substance reacts with oxygen to produce heat, light, and usually carbon dioxide and water.
  13. The smallest unit of a chemical compound, consisting of two or more atoms bonded together.
  14. A process in which substances interact and transform into new substances with different properties.

29 Clues: Smallest unit of matter that can exist by itself • The substances formed as a result of a chemical reaction. • Connections or links that hold atoms together in molecules. • A substance in which other substances can dissolve to form a solution. • The substances that participate in a chemical reaction to produce products. • ...

Chemical Crossword 2023-10-29

Chemical Crossword crossword puzzle
Across
  1. A substance formed when two or more different elements chemically combine in fixed ratios.
  2. A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent).
  3. A chemical element with the symbol Na and atomic number 11, a soft, silvery-white metal that is highly reactive with water and air.
  4. A substance with a pH value less than 7, which can donate protons (H+ ions) in a solution.
  5. A mixture of two or more elements, with at least one of them being a metal, that exhibits unique properties.
  6. An alloy primarily composed of copper and tin, known for its strength and historical use in sculptures and tools.
  7. The smallest unit of a chemical compound, consisting of two or more atoms bonded together.
  8. A chemical reaction in which a substance reacts with oxygen to produce heat, light, and usually carbon dioxide and water.
  9. A substance in which other substances can dissolve to form a solution.
  10. The ability of a material to withstand an applied force without breaking or deforming.
  11. The substances that participate in a chemical reaction to produce products.
  12. A pure substance made up of only one type of atom, characterized by its unique chemical properties.
  13. The process of changing from a solid to a liquid state due to an increase in temperature.
Down
  1. A state of matter with a fixed shape and volume; its particles are closely packed and have a regular structure.
  2. A state of matter with a fixed volume but no fixed shape; its particles are more loosely packed than in a solid.
  3. A subatomic particle found in the nucleus of an atom, with a positive electric charge.
  4. A process in which substances interact and transform into new substances with different properties.
  5. The substances formed as a result of a chemical reaction.
  6. Related to or involving substances and processes in the study of chemistry.
  7. The mass of an object per unit volume, often used to describe how tightly packed the particles in a substance are.
  8. A state of matter with no fixed shape or volume; its particles are widely spaced and move freely.
  9. A subatomic particle orbiting the nucleus of an atom, with a negative electric charge.
  10. A substance with a pH value greater than 7, which can accept protons (H+ ions) in a solution.
  11. A subatomic particle found in the nucleus of an atom, with no electric charge.
  12. Anything that has mass and occupies space; it can exist in various states, such as solid, liquid, or gas.
  13. Smallest unit of matter that can exist by itself
  14. The property of a material to be stretched or drawn into a wire or thread without breaking.
  15. An alloy composed of nickel and chromium, used for its resistance to high temperatures and electrical conductivity.
  16. Connections or links that hold atoms together in molecules.

29 Clues: Smallest unit of matter that can exist by itself • The substances formed as a result of a chemical reaction. • Connections or links that hold atoms together in molecules. • A substance in which other substances can dissolve to form a solution. • Related to or involving substances and processes in the study of chemistry. • ...

science revision 2023-10-05

science revision crossword puzzle
Across
  1. a reaction that takes in energy from its surroundings
  2. the end result of a chemical reaction
  3. a fuel made from living matter
  4. acid with a large amount of acidic particles within a solution
  5. released from diffusion in the oceans
  6. the most important ingredient in lemonade
  7. bases that disolve in water
  8. an acid that wants to give away its hydrogen ions
  9. the reaction of metals with the oxygen in their evironment
  10. a measurement of the acidity of a substance
  11. tells us how acidic or basic any substance is
  12. the product of iron reacting with oxygen
  13. substances that indicate the pH of substances
  14. substances that react with others to create energy
  15. something that is not depleted when used
  16. when a base and an acid react
Down
  1. a pH indicator you can't spell
  2. the process of burning something
  3. the things that cause chemical reactions
  4. acids that are less acidic and donate their hydrogen ions less easily
  5. the deterioration of metals
  6. produced when acids and bases react
  7. a reaction that lets out heat, light or energy
  8. a small amount of acid in a solution makes it
  9. a substance with a pH over 7
  10. compounds of carbon and hydrogen
  11. biofuel commonly used in gas
  12. a substance with a pH of 7
  13. a liquid that's good on fish and chips
  14. a substance with a pH under 7
  15. a substance that can run out

31 Clues: a substance with a pH of 7 • the deterioration of metals • bases that disolve in water • a substance with a pH over 7 • biofuel commonly used in gas • a substance that can run out • a substance with a pH under 7 • when a base and an acid react • a pH indicator you can't spell • a fuel made from living matter • the process of burning something • compounds of carbon and hydrogen • ...

Reaction Rates and Equilibrium 2023-05-10

Reaction Rates and Equilibrium crossword puzzle
Across
  1. Reaction A new product is formed
  2. A negative change in heat
  3. Aligns reactants correctly
  4. Shift The reverse reaction is favored
Down
  1. Increased when heat is added
  2. You can see this when you have a chemical reaction
  3. What is being made

7 Clues: What is being made • A negative change in heat • Aligns reactants correctly • Increased when heat is added • Reaction A new product is formed • Shift The reverse reaction is favored • You can see this when you have a chemical reaction

ian's crossword puzzle 2024-05-23

ian's crossword puzzle crossword puzzle
Across
  1. a process in which one or more substances are converted to one or more different substances
  2. the basic building block for all matter in the universe
  3. a substance that enters into and is changed by a chemical reaction
  4. The smallest particle of a substance
  5. substance made up of different elements joined together by a chemical bond.
  6. the amount of heat in something
  7. when two or more substances are combined, but each substance keeps its physical properties
  8. a pure substance that is made from a single type of atom
Down
  1. the amount of space the object takes up
  2. do not make a new substance.
  3. form of energy
  4. he attraction of molecules for other molecules of the same kind
  5. If electrons are being shared between two or more atoms
  6. the ability to make energy
  7. one of the major branches of science
  8. any change that causes a new substance to be formed
  9. anything that takes up space and can be weighed
  10. the quantity of matter within a given object

18 Clues: form of energy • the ability to make energy • do not make a new substance. • the amount of heat in something • The smallest particle of a substance • one of the major branches of science • the amount of space the object takes up • the quantity of matter within a given object • anything that takes up space and can be weighed • ...

… 2024-10-09

… crossword puzzle
Across
  1. electric current is passed through a substance to effect a chemical change
  2. a small number or letter written slightly below the normal line of text, usually used in chemical formulas to indicate the quantity of atoms of a specific element present in a molecule
  3. takes part in chemical reaction, on left side of arrow
  4. a thing that is composed of two or more separate elements/ a mixture
  5. A substance that cannot be decomposed into simpler substances by ordinary chemical processes.
Down
  1. a group of atoms bonded together
  2. constant term related to the properties of a product
  3. the substances that are formed as a result of a chemical reaction
  4. the measure of how much stuff is in an object
  5. the basic unit of a chemical element.

10 Clues: a group of atoms bonded together • the basic unit of a chemical element. • the measure of how much stuff is in an object • constant term related to the properties of a product • takes part in chemical reaction, on left side of arrow • the substances that are formed as a result of a chemical reaction • ...

Nonrenewable Energy - Christian Menchue 2016-03-22

Nonrenewable Energy - Christian Menchue crossword puzzle
Across
  1. Energy released from splitting an atom.
  2. A liquid mixture found in rock strata that can be refined into gasoline, kerosene, and diesel oil.
  3. Energy caused by heat.
  4. Energy derived from resources that are unable to replenish within relativity to our own time period of existence.
  5. Outflow of acidic water from mines.
  6. A style of mining that involves removing the surface full of dirt & rocks to get to the ore
  7. Splitting of an atom’s nucleus into smaller parts, resulting in nuclear energy to be released.
Down
  1. Radiant energy that travels in waves due to an electromagnetic process.
  2. Energy caused by moving electric charges.
  3. When two nuclei of two atoms collide at high speed and conjoin creating a new nucleus.
  4. Chemical reaction between a fuel & oxidant (chemical that is molecularly combined with oxygen)
  5. Energy stored in chemical compounds, and released in a chemical reaction.
  6. Energy associated with motion & position.
  7. When a large amount of thermal energy, and radiation is released due to the inability to keep a nuclear power reactor stable.
  8. Energy derived from resources that are able to replenish within relativity to our own time period of existence.

15 Clues: Energy caused by heat. • Outflow of acidic water from mines. • Energy released from splitting an atom. • Energy caused by moving electric charges. • Energy associated with motion & position. • Radiant energy that travels in waves due to an electromagnetic process. • Energy stored in chemical compounds, and released in a chemical reaction. • ...

Chemical reactions 2024-07-19

Chemical reactions crossword puzzle
Across
  1. It is a measure of the total heat content of a system.
  2. It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs.
  3. Double displacement reaction, is a chemical reaction where the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  4. It is a biochemical process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight.
  5. It refers to processes or organisms that do not require oxygen to live or function.
Down
  1. It is a positively charged ion that has lost one or more electrons. It is attracted to the cathode (negative electrode) in electrolysis.
  2. It refers to a solution in which the solvent is water. In chemical equations, it is denoted by the symbol (aq) following a substance, indicating that it is dissolved in water.
  3. It is a chemical reaction between a fuel and an oxidant, typically oxygen, that produces heat and often light.
  4. It is a measure of the disorder or randomness in a system.
  5. It is a substance used to neutralise stomach acid, thereby relieving symptoms of indigestion, heartburn, and acid reflux.

10 Clues: It is a measure of the total heat content of a system. • It is a measure of the disorder or randomness in a system. • It refers to processes or organisms that do not require oxygen to live or function. • It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs. • ...

Reaction Rates and Equilibrium 2023-05-10

Reaction Rates and Equilibrium crossword puzzle
Across
  1. Reaction A new product is formed
  2. A negative change in heat
  3. Aligns reactants correctly
  4. Shift The reverse reaction is favored
Down
  1. Increased when heat is added
  2. You can see this when you have a chemical reaction
  3. What is being made

7 Clues: What is being made • A negative change in heat • Aligns reactants correctly • Increased when heat is added • Reaction A new product is formed • Shift The reverse reaction is favored • You can see this when you have a chemical reaction

Enzymes and Energy 2023-11-30

Enzymes and Energy crossword puzzle
Across
  1. means change of shape. Common in non-competitive inhibition
  2. reorganizing/rearranging atoms by breaking and making bonds
  3. helps enzyme get job done; organic
  4. place on enzyme that does rxn.
  5. regulation of enzyme activity. Temporarily turns off enzyme
  6. the term describing chemicals that are reacting to produce product
  7. all reactions in an organism
  8. E required for rxn. to occur
  9. reactants in enzyme mediated rxn.
  10. results of chemical reaction
Down
  1. determines enzymes specificity
  2. e.g. poison blocks active site
  3. combination of enzyme+substrate during a reaction
  4. term that describes a reaction in which products have less energy than reactants
  5. reactions that build up
  6. term that describes a reaction in which products have more E than react.
  7. biological catalysts
  8. one way to denature enzymes
  9. reactions that break down
  10. change in the shape of protein, many times due to temperature change or pH change
  11. suffix of many enzymes
  12. these lower activation energy; does not get used up

22 Clues: biological catalysts • suffix of many enzymes • reactions that build up • reactions that break down • one way to denature enzymes • all reactions in an organism • E required for rxn. to occur • results of chemical reaction • determines enzymes specificity • e.g. poison blocks active site • place on enzyme that does rxn. • reactants in enzyme mediated rxn. • ...

Chapter 8 (Puzzle #1) 2021-03-23

Chapter 8 (Puzzle #1) crossword puzzle
Across
  1. thermal energy in transfer from one body of matter to another
  2. a spontaneous chemical reaction in which there is a natural release of free energy
  3. a series of chemical reactions that either builds a complex molecule (anabolic pathway) or breaks down a complex molecule to simpler molecules (catabolic pathway)
  4. the energy associated with the relative motion of objects. Moving matter can perform work by importing motion to another matter
  5. the energy that matter possesses as a result of its location or spatial arrangement (structure)
Down
  1. a process that occurs without an overall input of energy; process that is energetically favorable
  2. a metabolic pathway that releases energy by breaking down complex molecules to simpler molecules
  3. energy available in molecules for release in a chemical reaction; a form of potential energy
  4. a nonspontaneous chemical reaction in which free energy is absorbed from the surroundings
  5. a metabolic pathway that consumes energy to synthesize a complex molecules from simpler molecules
  6. the capacity to cause change, especially to do work opened (to move matter against an opposing force).
  7. measure of molecular disorder, or randomness

12 Clues: measure of molecular disorder, or randomness • thermal energy in transfer from one body of matter to another • a spontaneous chemical reaction in which there is a natural release of free energy • a nonspontaneous chemical reaction in which free energy is absorbed from the surroundings • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Energy and Chemical Reactions 2021-03-08

Energy and Chemical Reactions crossword puzzle
Across
  1. Used to speed up a chemical reaction
  2. A reaction that gives off heat
  3. It is a biochemical reaction
  4. Needed for respiration to occur
  5. A reaction that keeps the heat in
Down
  1. Energy to get going
  2. A factor that affects respiration
  3. Needed to react with glucose
  4. Proteins that work at a particular temperature
  5. The ability to work

10 Clues: Energy to get going • The ability to work • Needed to react with glucose • It is a biochemical reaction • A reaction that gives off heat • Needed for respiration to occur • A factor that affects respiration • A reaction that keeps the heat in • Used to speed up a chemical reaction • Proteins that work at a particular temperature

CHEMICAL EQUATIONS AND REACTIONS 2021-08-21

CHEMICAL EQUATIONS AND REACTIONS crossword puzzle
Across
  1. when the total mass of the reactant is equal to the mass of the
  2. T__________ C________ is a sign of a chemical reaction
  3. We can balance an equation by adding a _____________ in front of
  4. the equation is _________
  5. Law of ________ of mass
  6. a tool used to determine if a chemical reaction is balanced or
Down
  1. What does the arrow mean in a chemical equation?
  2. you may never change the __________ of a formula
  3. burning wood, rust, campfire are examples of a __________
  4. ________ are shown on the left of the arrow
  5. _________ are shown to the right of the arrow

11 Clues: Law of ________ of mass • the equation is _________ • ________ are shown on the left of the arrow • _________ are shown to the right of the arrow • What does the arrow mean in a chemical equation? • you may never change the __________ of a formula • T__________ C________ is a sign of a chemical reaction • burning wood, rust, campfire are examples of a __________ • ...

Pharmacology 2020-09-15

Pharmacology crossword puzzle
Across
  1. a type of drug
  2. pharmacotherapy benefit
  3. patients copy of their prescription
  4. normally happens with then an hour
  5. a treatment using drugs
  6. symptom of drug reaction
  7. third side effect
  8. adverse drug reaction
  9. first side effect
Down
  1. type of adverse drug
  2. a timeline of all vaccinations a patient has received
  3. provides through pharmacotherapy
  4. any chemical affecting an living organism
  5. have to take when abusing drugs
  6. second side effect
  7. person under health care
  8. required for compliance checklist
  9. process whereby the patient follows
  10. a type of drug
  11. pharmacotherapy benefit

20 Clues: a type of drug • a type of drug • third side effect • first side effect • second side effect • type of adverse drug • adverse drug reaction • pharmacotherapy benefit • a treatment using drugs • pharmacotherapy benefit • person under health care • symptom of drug reaction • have to take when abusing drugs • provides through pharmacotherapy • required for compliance checklist • ...

Austin Oler... Science Changes in Matter 2024-05-16

Austin Oler... Science Changes in Matter crossword puzzle
Across
  1. mg,ir,h,o,cl
  2. smallest unit of matter
  3. heat of something
  4. heat releasing
  5. elements combining together
  6. anything that takes up space
  7. heat absorbing
  8. solution of more than one elements
  9. a product of mixing
  10. ability to work or be active
Down
  1. smallest part of a substance
  2. amount of space used by matter
  3. liquid,solid,gas
  4. molecules trying to stick together
  5. elements change when combined with another in a reaction
  6. study of matter and chemicals
  7. temperatures
  8. A process where elements combine for a chemical _

18 Clues: mg,ir,h,o,cl • temperatures • heat releasing • heat absorbing • liquid,solid,gas • heat of something • a product of mixing • smallest unit of matter • elements combining together • smallest part of a substance • anything that takes up space • ability to work or be active • study of matter and chemicals • amount of space used by matter • molecules trying to stick together • ...

REGENTS CHEMISTRY EXAM REVIEW 2023-05-30

REGENTS CHEMISTRY EXAM REVIEW crossword puzzle
Across
  1. another name for 6.02 x 10^23
  2. the forward reaction rate equals the reverse reaction rate
  3. the splitting of uranium as an energy source
  4. name for a group of atoms with a charge (ion)
  5. separates mixtures by boiling point
  6. organic compound with a double bond in the chain
  7. contains the maximum amount that can be dissolved in a solution
  8. same number of protons, different number of neutrons
  9. a measure of average kinetic energy
  10. allows for the flow of ions in a voltaic cell
Down
  1. the attraction an atom has for its electrons
  2. heat is released during a chemical reaction
  3. the gain of electrons in a reaction
  4. contains H+ ions in water
  5. group of metals that produce colorful solutions when in compounds
  6. something that does not dissolve in water
  7. also known as a hydrogen acceptor
  8. type of gas with no mass nor volume
  9. a substance with a fixed composition
  10. an electron that has jumped up to a higher energy level

20 Clues: contains H+ ions in water • another name for 6.02 x 10^23 • also known as a hydrogen acceptor • the gain of electrons in a reaction • type of gas with no mass nor volume • separates mixtures by boiling point • a measure of average kinetic energy • a substance with a fixed composition • something that does not dissolve in water • heat is released during a chemical reaction • ...

Organic Chemistry 2025-09-21

Organic Chemistry crossword puzzle
Across
  1. functional group of alcohols
  2. highest boiling point fraction from fractional distillation of crude oil
  3. compound formed when alcohol react with carboxylic acid
  4. gas released from potassium carbonate reacting with propanoic acid
  5. by-product of esterification
  6. gas released from reaction of methanoic acid with sodium metal
  7. General name for organic molecules made of only hydrogen and carbon
  8. butan-1-ol and butan-2-ol
  9. General name for saturated hydrocarbons
  10. reaction between alcohol and carboxylic acid
  11. product of pentanol reacting with propanoic acid
Down
  1. properties used to separate crude oil mixture
  2. main constituent of natural gas
  3. The part of a molecule that gives it its chemical properties
  4. easy to evaporate
  5. Hydrocarbons with one or more double bonds
  6. long hydrocarbon chain break down into shorted chains by heating
  7. reaction between ethanoic acid and potassium hydroxide
  8. simplest alkene
  9. petroleum product used as jet fuel
  10. reaction converting alkene to alcohol
  11. solid form of fossil fuel

22 Clues: simplest alkene • easy to evaporate • butan-1-ol and butan-2-ol • solid form of fossil fuel • functional group of alcohols • by-product of esterification • main constituent of natural gas • petroleum product used as jet fuel • reaction converting alkene to alcohol • General name for saturated hydrocarbons • Hydrocarbons with one or more double bonds • ...

Balancing Chemical Equations 2023-05-16

Balancing Chemical Equations crossword puzzle
Across
  1. Reaction Chemical bond that involves the sharing of electrons to form electron pairs between atoms
  2. Chemical bond that involves the sharing of electrons to form electron pairs between atoms
  3. The production of chemical compounds by reaction from simpler materials.
Down
  1. The process or effect of simplifying a single chemical entity into two or more fragments.
  2. A chemical substance that is present at the start of a chemical reaction, and is changed as the chemical reaction proceeds.
  3. The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample.
  4. Bonds chemical bond that involves the sharing of electrons to form electron pairs between atoms

7 Clues: The production of chemical compounds by reaction from simpler materials. • The process or effect of simplifying a single chemical entity into two or more fragments. • Chemical bond that involves the sharing of electrons to form electron pairs between atoms • Bonds chemical bond that involves the sharing of electrons to form electron pairs between atoms • ...

Word test 1 2025-09-01

Word test 1 crossword puzzle
Across
  1. A chemical reaction where a single substance breaks down into simpler substances.
  2. a substance formed when two or more atoms bonded together.
  3. A substance that can not be further divided into simpler substances by chemical methodsCompounds = A pure substance formed by chemical combination of two or more elements in fixed proportions.Compounds = A pure substance formed by chemical combination of two or more elements in fixed proportions.
  4. A chemical reaction where two or more substances join to form a new substance.
  5. The smallest particles in chemical reaction.
Down
  1. chemical reaction where two or more substances join to form a new substance.
  2. A pure substance formed by chemical combination of two or more elements in fixed proportions.

7 Clues: The smallest particles in chemical reaction. • a substance formed when two or more atoms bonded together. • chemical reaction where two or more substances join to form a new substance. • A chemical reaction where two or more substances join to form a new substance. • A chemical reaction where a single substance breaks down into simpler substances. • ...

Chemistry 2022-09-12

Chemistry crossword puzzle
Across
  1. One sign of a chemical reaction is when _____________ and light is produced, which is often seen in the form of fire.
  2. In order for a chemical reaction to occur, molecules need to _______________________ with the correct orientation and enough energy to make a new substance.
  3. If the temperature was recorded over the course of time, this goes on the x-axis when making the line graph.
  4. The name for NaCl.
  5. The group of the Periodic Table of completely unreactive elements because they have full outer shells.
  6. When magnesium combined with hydrochloric acid bubbles of ____________________ gas were produced which is a sign of a chemical reaction.
  7. According to the Bohr model of an atom, the second shell of an atom can hold up to _________ electrons.
  8. Positively charged sub-atomic particles in the nucleus of an atom.
  9. Phenolphthalein is an acid-base indicator used this last week. It turns _____________ in the presence of a base.
  10. If someone increases the amount of heat energy in a substance, they are increasing the ___________________. For example, 1 degree Celsius compared to 10 degrees Celsius.
Down
  1. According to the Bohr model of an atom, the innermost shell of an atom can hold up to _________ electrons.
  2. A large, chain-shaped molecule that is made of repeating units, usually used for structural integrity, like sodium alginate.
  3. Uncharged sub-atomic particles in the nucleus of an atom.
  4. The most reactive metal tested last week because it has one electron in its outer shell it really needs to be rid of.
  5. If someone increases the amount of substance in a set volume, they are increasing the ________________ of that substance. For example, 1M HCl compared to 2M HCl
  6. The least reactive metal tested last week because it is so big, the atom does not care if it loses its outer electron or not.
  7. When sodium thiosulfate mixed with hydrochloric acid, a permanent _________________ change was observed, which is a sign of a chemical reaction.
  8. The reactivity of an element is determined by the number of ___________________ in the atoms outer shell.
  9. The name for NaOH.

19 Clues: The name for NaCl. • The name for NaOH. • Uncharged sub-atomic particles in the nucleus of an atom. • Positively charged sub-atomic particles in the nucleus of an atom. • The group of the Periodic Table of completely unreactive elements because they have full outer shells. • ...

Chemistry of Life 2016-11-13

Chemistry of Life crossword puzzle
Across
  1. a thing that is composed of two or more separate elements
  2. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in alcohol, ether, and chloroform
  3. Energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
  4. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  5. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  6. The hereditary material in humans and almost all other organisms.
  7. the substance on which an enzyme acts
Down
  1. a compound consisting of a nucleoside linked to a phosphate group
  2. any of a large group of organic compounds occurring in foods and living tissues
  3. The basic unit of a chemical reaction
  4. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.

11 Clues: The basic unit of a chemical reaction • the substance on which an enzyme acts • a thing that is composed of two or more separate elements • a compound consisting of a nucleoside linked to a phosphate group • The hereditary material in humans and almost all other organisms. • any of a large group of organic compounds occurring in foods and living tissues • ...

chemical reactions crossword 2013-12-17

chemical reactions crossword crossword puzzle
Across
  1. a number placed in front of a chemical formula
  2. a reaction which energy is absorded
  3. substances in the beginning
  4. rapid reaction
Down
  1. cells in your body
  2. breaks down componds
  3. reaction that releases energy
  4. material that increases the rate of a reaction
  5. material that releases energy when burns
  6. two or more element compounds combined to make substance

10 Clues: rapid reaction • cells in your body • breaks down componds • substances in the beginning • reaction that releases energy • a reaction which energy is absorded • material that releases energy when burns • a number placed in front of a chemical formula • material that increases the rate of a reaction • two or more element compounds combined to make substance

savanna 2021-12-02

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

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

Topic based crosswrod 2025-01-21

Topic based crosswrod crossword puzzle
Across
  1. What term describes a process in which substances change into new ones?
  2. What process requires energy to separate atoms in molecules?
  3. What term describes the result of energy transfer in a reaction?
  4. What term describes the speed at which a reaction takes place?
  5. What substance speeds up a reaction without being consumed?
  6. What term describes the part of the universe being studied in thermodynamics?
  7. What measures how hot or cold something is?
  8. What process releases energy when atoms in molecules come together?
  9. What term describes a distinct form of matter, such as solid, liquid, or gas?
  10. What is the capacity to do work or produce heat?
  11. What type of reaction occurs when an acid and a base react?
  12. What term describes the movement of energy from one place to another?
  13. What is the SI unit of energy?
  14. What term describes a reaction that requires external energy to occur?
  15. What type of reaction absorbs energy from the surroundings?
  16. What is the chemical process of burning a substance with oxygen?
Down
  1. What is the transfer of thermal energy from one object to another?
  2. What factors must be met for a reaction to start?
  3. What is the amount of energy taken in during an endothermic reaction?
  4. What type of reaction releases energy to the surroundings?
  5. What term describes the force holding atoms together in molecules?
  6. What is the minimum energy required to start a reaction?
  7. What is the amount of energy given off in an exothermic reaction?
  8. What is the process of a substance dissolving in a solvent?
  9. What occurs when substances transition between solid, liquid, or gas?
  10. What term describes the balance where opposing processes occur at equal rates?
  11. What biological process releases energy from glucose in cells?
  12. What term describes a reaction that occurs without external energy?
  13. What is the force per unit area that affects reaction rates and boiling points?
  14. What is everything outside the system in thermodynamics?

30 Clues: What is the SI unit of energy? • What measures how hot or cold something is? • What is the capacity to do work or produce heat? • What factors must be met for a reaction to start? • What is the minimum energy required to start a reaction? • What is everything outside the system in thermodynamics? • What type of reaction releases energy to the surroundings? • ...

Photosynthesis Crossword Puzzle! 2021-05-24

Photosynthesis Crossword Puzzle! crossword puzzle
Across
  1. pigments found in the chloroplast
  2. reaction that occurs in the thylakoid membrane
  3. light-independent reaction named after Dr. Melvin Calvin
  4. the process that changes inorganic CO2 to organic compounds
  5. the place in which sunlight enters
  6. a type of respiration that requires oxygen
  7. output of photosynthesis, used to make ATP
  8. a reaction in which the reactants absorb heat to produce products
  9. the process that occurs in plants to create oxygen and energy in the form of sugar
  10. chemical compound used by plants for photosynthesis
  11. the color plants absorb the second best
  12. compartments found in the chloroplast
  13. a reaction that occurs in all cells
  14. the process that moves CO2 through the veins and releases oxygen
  15. the openings through which gases move
  16. liquid chemical compound used by plants for photosynthesis
  17. the color plants appear, also the color plants absorb the least
  18. the usage of energy (glucose) to build molecules
  19. a type of respiration that doesn't require oxygen
  20. means "to make"
Down
  1. gas compound, an output of photosynthesis
  2. form of energy that is created during the light-dependent reaction to fuel the calvin cycle
  3. occurs when there's not enough CO2
  4. light-independent reaction
  5. the cells in which chloroplasts are found
  6. the place in which sunlight enters
  7. an organelle in which cellular respiration occurs in eukaryotes
  8. a crucial organelle found in all plant cells that converts light energy to usable energy
  9. CO2 and H20 are eliminated as - in cellular respiration
  10. a plant that opens its stomata at night
  11. the degradation of organic compounds
  12. the color plants absorb the best
  13. the origin of all energy
  14. the place through which water moves
  15. fluid in which the calvin cycle takes place
  16. the organisms in which photosynthesis occurs
  17. these organisms use aerobic respiration
  18. pigment found in thylakoids
  19. in these organisms, cellular respiration occurs in the cytoplasm
  20. a form of energy created in the light-dependent reaction
  21. component used by plants for photosynthesis derived from the origin of all energy

41 Clues: means "to make" • the origin of all energy • light-independent reaction • pigment found in thylakoids • the color plants absorb the best • pigments found in the chloroplast • occurs when there's not enough CO2 • the place in which sunlight enters • the place in which sunlight enters • the place through which water moves • a reaction that occurs in all cells • ...

Review 2025-03-09

Review crossword puzzle
Across
  1. An exothermic reaction is a chemical reaction that ___________ heat to its surroundings.
  2. Crystallization happens when a dissolved substance forms a _________ with a repeating pattern of molecules or atoms.
  3. Aluminum reacts with sodium hydroxide to produce ___________ gas and heat.
  4. When sodium acetate crystallizes in a hand warmer, it releases heat, making it an ___________ process.
  5. The reaction between calcium oxide and water is an example of an ___________ reaction.
  6. Crystallization can also absorb heat, making it an ________process, as seen with ammonium chloride.
Down
  1. Sodium carbonate reacts with calcium hydroxide to produce ___________ in the heating pack.
  2. In an endothermic reaction, energy is ___________ from the surroundings.
  3. In an endothermic reaction, the products have _______ energy than the reactants.
  4. The energy needed to start a chemical reaction is called ___________ energy.
  5. To make a supersaturated solution, first ______ the solvent to dissolve more solute than usual.

11 Clues: In an endothermic reaction, energy is ___________ from the surroundings. • Aluminum reacts with sodium hydroxide to produce ___________ gas and heat. • The energy needed to start a chemical reaction is called ___________ energy. • In an endothermic reaction, the products have _______ energy than the reactants. • ...

Chemistry Ch.12 Vocabulary 2023-03-13

Chemistry Ch.12 Vocabulary crossword puzzle
Across
  1. the process of finding solutions to difficult or complex issues
  2. the maximum amount of product that can be formed from given amounts of reactants
  3. A chemical equation is the symbolic representation of a chemical reaction
  4. the calculation of quantities in chemical reactions
  5. the ratio of the actual yield to the theoretical yield expressed as a percent
Down
  1. the reactant that is not completely used up in a reaction
  2. the maximum amount of product that could be formed from given amounts of reactants
  3. the reactant that determines the amount of product that can be formed by a reaction
  4. a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles

9 Clues: the calculation of quantities in chemical reactions • the reactant that is not completely used up in a reaction • the process of finding solutions to difficult or complex issues • A chemical equation is the symbolic representation of a chemical reaction • the ratio of the actual yield to the theoretical yield expressed as a percent • ...

Revision (XI grade) 2024-12-28

Revision (XI grade) crossword puzzle
Across
  1. The reaction that forms products from reactants.
  2. Energy associated with the motion of particles.
  3. Increasing this factor speeds up reactions involving solids.
  4. The minimum energy required for a reaction to occur.
  5. The principle that explains how a system at equilibrium responds to changes in conditions.
  6. A system where no matter enters or leaves, allowing equilibrium to occur.
Down
  1. The theory that chemical reactions occur when particles collide with sufficient energy and proper orientation.
  2. A reaction that can proceed in both forward and backward directions.
  3. Affects the equilibrium of gaseous reactions by altering the number of particle collisions.
  4. Symbolized as 𝑄c it predicts the direction a reaction will proceed relative to 𝐾𝑐
  5. A state in which the forward and reverse reactions occur at the same rate.
  6. The speed at which reactants are converted into products.
  7. Increasing this factor generally increases the reaction rate by providing more particles to collide.
  8. A substance that speeds up a reaction without being consumed.
  9. Describes equilibrium where reactions are ongoing but balanced.
  10. A factor that increases reaction rate by providing particles with more kinetic energy.

16 Clues: Energy associated with the motion of particles. • The reaction that forms products from reactants. • The minimum energy required for a reaction to occur. • The speed at which reactants are converted into products. • Increasing this factor speeds up reactions involving solids. • A substance that speeds up a reaction without being consumed. • ...

Conservation of Mass 2016-01-13

Conservation of Mass crossword puzzle
Across
  1. An action in a reverse direction or manner.
  2. Substances initially present in a chemical reaction that are consumed during the reaction to make products.
  3. Is part of the 11 group in the periodic table.
  4. Substance that is formed as the result of a chemical reaction.
  5. He is widely considered in popular literature as the "father of modern chemistry"
Down
  1. Is part of the 8 group in the periodic table.
  2. He was the first Russian Scientist of natural importance
  3. The downward force caused by gravity on an object.
  4. A measure of how much matter is in an object.
  5. Is part of the 12 group in the periodic table.

10 Clues: An action in a reverse direction or manner. • Is part of the 8 group in the periodic table. • A measure of how much matter is in an object. • Is part of the 11 group in the periodic table. • Is part of the 12 group in the periodic table. • The downward force caused by gravity on an object. • He was the first Russian Scientist of natural importance • ...

Unit 2 Science Voabulary 2018-09-08

Unit 2 Science Voabulary crossword puzzle
Across
  1. point The temperature at which the vapor pressure of a liquid element equals the pressure surrounding the liquid
  2. A covalent bond in which two atoms share a pair of electrons
  3. Change A (usually irreversible) change in a substance that rearranges its atomic structure and therefore it’s chemical and physical properties
  4. The transition of an element from a solid to a gas, without transitioning to a liquid first
  5. A substance that takes part in and undergoes change during a reaction.
  6. Change A change in a substance that affects its state of matter, but not its chemical makeup
  7. compound A substance composed of exactly two elements that cannot be simplified by any further means
  8. bond Covalent bond between two atoms in which electrons are shared unequally
  9. point The temperature at which the solid form of an element becomes a liquid.
Down
  1. bond A chemical bond formed between two ions with opposite charges. A chemical bond formed between two ions with opposite charges. Atoms may share
  2. A chemical bond that involves the sharing of electron pairs between atoms
  3. Two or more atoms bonded together, the smallest unit of a chemical compound that can take part in chemical bonding
  4. Ion An ion comprised of two or more atoms.
  5. number A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound
  6. A substance that forms as a result of a chemical reaction
  7. A hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Due to its properties being very different from regular gasses, it is sometimes referred to as the fourth state of matter
  8. An atom or group of atoms that has a positive or negative charge as a result of the loss or gain of an electron(s)

17 Clues: Ion An ion comprised of two or more atoms. • A substance that forms as a result of a chemical reaction • A covalent bond in which two atoms share a pair of electrons • A substance that takes part in and undergoes change during a reaction. • A chemical bond that involves the sharing of electron pairs between atoms • ...

Chemical Reactions Review 2022-04-29

Chemical Reactions Review crossword puzzle
Across
  1. having been thought about carefully
  2. happens suddenly, unexpectedly, or prematurely.
  3. retrieve or recover
  4. in a chemical reaction mass is neither created nor destroyed
  5. a limitation or restriction.
  6. a thing or person that is the result of an action or process
  7. internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature.
  8. reaction or process accompanied by the release of heat.
  9. when one chemical substance is transformed into one or more different substances
Down
  1. a process that involves rearrangement of the molecular or ionic structure of a substance
  2. a principle or standard by which something may be judged or decided.
  3. a system that has flows of information, energy, and/or matter between the system and its environment, and which adapts to the exchange
  4. reaction or process accompanied by or requiring the absorption of heat
  5. a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it.
  6. a substance that takes part in and undergoes change during a reaction.
  7. become or cause to become incorporated into a liquid so as to form a solution.
  8. a first, typical, or preliminary model of something, especially a machine, from which other forms are developed or copied.

17 Clues: retrieve or recover • a limitation or restriction. • having been thought about carefully • happens suddenly, unexpectedly, or prematurely. • reaction or process accompanied by the release of heat. • in a chemical reaction mass is neither created nor destroyed • a thing or person that is the result of an action or process • ...

Structures & Changes 2013-12-19

Structures & Changes crossword puzzle
Across
  1. A chart of the elements showing the repeating pattern of their properties
  2. Particles that have a positive charge, found in the nucleus
  3. A one-or-two letter representation of an element
  4. The mass of the reactants must equal the mass of the products
  5. Two or more molecules interact to form different molecules
  6. The amount of matter a substance has
  7. Center of an atom
  8. Changes depending on how much gravity is present
Down
  1. The average mass of one atom of an element
  2. Elements in the same vertical column of the periodic table. Also called "family"
  3. Particles that have no charge, and are neutral. Found in nucleus
  4. A horizontal row of elements in the periodic table
  5. What's around after a chemical reaction takes place
  6. A unit used to measure the mass of particles in atoms; a proton or neutron has a mass of one amu
  7. Particles that have a negative charge. Found outside nucleus
  8. The number of protons in the nucleus of an atom
  9. The substances that are around at the beginning of a chemical reaction
  10. The smallest componet of an element, the building blocks of matter
  11. "Not divisible". Originated from Greek philosopher, Democritus

19 Clues: Center of an atom • The amount of matter a substance has • The average mass of one atom of an element • The number of protons in the nucleus of an atom • A one-or-two letter representation of an element • Changes depending on how much gravity is present • A horizontal row of elements in the periodic table • What's around after a chemical reaction takes place • ...

Homework #2 2023-10-10

Homework #2 crossword puzzle
Across
  1. A series of chemical reactions that convert light energy to chemical energy within food (glucose)
  2. concentration of solute greater inside the cell than outside the cell; water flows in
  3. Occurs in the cytoplasm, Starts the sugar breakdown pathway of aerobic respiration and fermentation, produces 2 ATP and 2 pyruvate
  4. Diffusion & Osmosis -No energy; moves down the concentration gradient
  5. enters the leaves through tiny holes on the bottom of leaf, called stomata.
  6. Material inside the cell packaged into vesicles
  7. study of energy and energy transfer involving physical matter.
  8. outcomes of reaction
  9. main components of the cell membrane
  10. makes ATP with oxygen: Happens in the mitochondria; results in 36-38 ATP
  11. pocket in an enzyme where substrates bind and a reaction occurs
  12. anaerobic sugar breakdown pathway that produces ATP and lactate
  13. 2nd stage of photosynthesis: Also known as "Calvin cycle" or “Dark Reactions”; Occurs in stroma of chloroplasts, uses ATP to incorporate CO2 into carbohydrate, creates glucose
  14. require energy to synthesize larger molecules.
  15. molecule that enters a reaction and is changed by participating in it
  16. cell to Cell recognition site (like lock and key)
  17. Breakdown organic molecules without using oxygen, only uses glycolysis to break down glucose
  18. light (photon) is absorbed by chlorophyll causing it to “donate” an electron. Requires water and light, occurs in the thylakoids, oxygen is the product
  19. energy when objects are in motion.
  20. a set of chemical reactions that involves the building, rearranging, or breaking down organic molecules.
  21. Also called "Citric Acid Cycle"- occurs in the mitochondria matrix, produces 2 ATP and CO2
  22. glucose --> ethyl alcohol + CO2 + 2 ATP
  23. stored energy
  24. Cytoplasm (gel-like) fluid inside the chloroplast; light independent reaction happens here
  25. anaerobic sugar breakdown pathway that produces ATP, CO2, and ethanol
  26. molecule that is produced by a reaction
Down
  1. Energy from electrons is converted into ATP and an e- carrier
  2. 1st stage of photosynthesis: Uses light energy, takes place in thylakoid membranes of chloroplast, produces ATP and O2
  3. Add function, such as, transport, enzymeS, attachment, & communication.
  4. Diffusion of water across a selectively permeable membrane
  5. concentration of solutes greater outside the cell than inside the cell; water flows out
  6. equal concentrations of solute and water; no osmosis
  7. (water-fearing) region faces inward
  8. enzyme slightly changes shape when substrates bind to it
  9. Adenosine Triphosphate; keeps cells alive - is an energy carrier
  10. (water-loving) region faces outward
  11. Endocytosis & exocytosis -Requires energy; moves up the concentration gradient
  12. Last electron acceptor
  13. generate energy by breaking down larger molecules.
  14. Environmental factors (pH, temperature, salt) influences enzymes
  15. an agent that speeds up the rate of a chemical reaction without being consumed (used up) during the reaction
  16. Only found in animal plasma membranes; strengthens the plasma membrane
  17. protein catalysts in living cells.
  18. a substance that absorbs light energy (visible light)
  19. Located in leaves; made of thylakoid membranes, Interconnected folded stacks “like pancake stacks”, light dependent reaction happens here
  20. makes ATP without oxygen: results in 2 ATP
  21. Plasma membrane invaginates to form a vesicle that brings substances into the cell
  22. all living organisms need energy. In order to use the energy stored in sugars, cells must convert it to ATP
  23. The Electron Transport Chain- final step of aerobic cellular respiration, occurs in the mitochondria inner folds "cristae", uses ATP synthase to create more ATP resulting in 32-34 ATP
  24. chemical reactions that take place in living organisms
  25. Occurs in response to a difference in solute concentration between the fluids on either side of the membrane
  26. plants use photosynthesis to capture sunlight, and herbivores eat the plants to obtain energy.

52 Clues: stored energy • outcomes of reaction • Last electron acceptor • protein catalysts in living cells. • energy when objects are in motion. • (water-fearing) region faces inward • (water-loving) region faces outward • main components of the cell membrane • glucose --> ethyl alcohol + CO2 + 2 ATP • molecule that is produced by a reaction • makes ATP without oxygen: results in 2 ATP • ...

Kendra, Chemitry, 3 2025-05-06

Kendra, Chemitry, 3 crossword puzzle
Across
  1. Combining two atoms together to make a new atom
  2. A stable isotope of hydrogen
  3. A famous jewelry Company/Owners name
  4. A positron with positive charge
  5. A radioactive isotope of hydrogen
  6. 2 neutrons and 2 protons
  7. Same number of protons but different numbers of neutrons
Down
  1. Breaking apart an atom into two new ones
  2. Same mass as an electron but is a positive charge
  3. The start of a chemical reaction
  4. Releases a unit of energy called a gamma particle
  5. neutron turns to a proton, an electron
  6. Substances that are formed in result of a chemical reaction

13 Clues: 2 neutrons and 2 protons • A stable isotope of hydrogen • A positron with positive charge • The start of a chemical reaction • A radioactive isotope of hydrogen • A famous jewelry Company/Owners name • neutron turns to a proton, an electron • Breaking apart an atom into two new ones • Combining two atoms together to make a new atom • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Chem 2023-11-16

Chem crossword puzzle
Across
  1. A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
  2. the process of becoming an acid or the act of making something become an acid
  3. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  4. H₂CO₃
  5. the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
  1. When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. a principle of chemistry used to predict the rates of chemical reactions
  3. the abundance of a constituent divided by the total volume of a mixture
  4. CO2
  5. A state in which the rate of the forward reaction equals the rate of the backward reaction
  6. a measure of how acidic/basic water is
  7. a process that leads to the chemical transformation of one set of chemical substances to another.

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Chem 2023-11-16

Chem crossword puzzle
Across
  1. A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
  2. the process of becoming an acid or the act of making something become an acid
  3. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  4. H₂CO₃
  5. the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
  1. When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. a principle of chemistry used to predict the rates of chemical reactions
  3. the abundance of a constituent divided by the total volume of a mixture
  4. CO2
  5. A state in which the rate of the forward reaction equals the rate of the backward reaction
  6. a measure of how acidic/basic water is
  7. a process that leads to the chemical transformation of one set of chemical substances to another.

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Chem 2023-11-16

Chem crossword puzzle
Across
  1. A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
  2. the process of becoming an acid or the act of making something become an acid
  3. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  4. H₂CO₃
  5. the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
  1. When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. a principle of chemistry used to predict the rates of chemical reactions
  3. the abundance of a constituent divided by the total volume of a mixture
  4. CO2
  5. A state in which the rate of the forward reaction equals the rate of the backward reaction
  6. a measure of how acidic/basic water is
  7. a process that leads to the chemical transformation of one set of chemical substances to another.

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Physical Science - Crossword Chemistry List 1 2021-04-09

Physical Science - Crossword Chemistry List 1 crossword puzzle
Across
  1. Atoms of the same element, but have different masses.
  2. A unique number for each element that equals the number of protons in an atom of that element.
  3. An arrangement of elements in columns based on a set of properties that repeat from row to row.
  4. An ion with a positive charge.
  5. New substances formed as a result of a chemical reaction.
  6. A substance that undergoes change in a chemical reaction.
  7. The possible energies that electrons in an atom can have.
  8. The mass of one mole of a substance.
  9. A law stating mass is neither created nor destroyed during chemical or physical reactions.
  10. The smallest unit of an element that maintains the properties of that element.
  11. An electron that is in the highest occupied energy level of an atom.
Down
  1. The weighted average of the atomic masses of the naturally occurring isotopes of an element.
  2. An ion with a negative charge due to gaining electrons.
  3. A positively charge subatomic particle that is found in the nucleus of an atom.
  4. an atom or group of atoms that has a positive or negative charge due to gaining or losing electrons.
  5. A visual model of the most likely locations for the electrons in an atom.
  6. A neutral subatomic particle that is found in the nucleus of an atom.
  7. A negatively charged subatomic particle found in energy levels around the nucleus of an atom.
  8. 6.02 x 10^23 the number of particles in exactly one mole of a pure substance.
  9. The calculation of quantities of chemical elements or compounds involved in chemical reactions.

20 Clues: An ion with a positive charge. • The mass of one mole of a substance. • Atoms of the same element, but have different masses. • An ion with a negative charge due to gaining electrons. • New substances formed as a result of a chemical reaction. • A substance that undergoes change in a chemical reaction. • The possible energies that electrons in an atom can have. • ...

Unit 4 Vocab 2021-12-13

Unit 4 Vocab crossword puzzle
Across
  1. anything that has mass and takes up space
  2. Which element makes up most of the mass of the human body?
  3. is the smallest unit of a substance that maintains the properties of that substance
  4. Substances that contain only one type of atom
  5. During a _____ _____, atoms are
  6. where photosynthesis takes place
  7. the smallest unit of living things
  8. is an organism that gets energy and matter by eating other organisms
  9. A substance made of atoms of two or more different elements
  10. is the ability to cause change
Down
  1. is a series of chemical reactions in which the cells of producers use energy from the sun to make carbon-based food molecules, known as sugars or glucose
  2. is a process that uses oxygen to release the energy stored in food molecules
  3. occurs when the eroded materials are dropped, or laid down
  4. The starting substances in a chemical reaction
  5. The substances formed in a chemical reaction
  6. is made up of two or more atoms held together by chemical bonds
  7. Fragments of weathered rock
  8. is the process by which rock materials are broken down by the action of physical and chemical processes.
  9. into new substances
  10. is the process by which wind, water, ice, or gravity transport weathered materials from one location to another
  11. is an organism that gets energy and matter by breaking down the remains of other organisms that have died
  12. is an organism that uses energy and matter from the environment to make its own food molecules

22 Clues: into new substances • Fragments of weathered rock • is the ability to cause change • During a _____ _____, atoms are • where photosynthesis takes place • the smallest unit of living things • anything that has mass and takes up space • The substances formed in a chemical reaction • Substances that contain only one type of atom • The starting substances in a chemical reaction • ...

Balancing Equations 2012-02-25

Balancing Equations crossword puzzle
Across
  1. Are placed in front of the symbol;is balanced by changing or adding______
  2. Substance that undergoes a change in a chemical reaction.
  3. A substance that speeds up the rate of a reaction but that is not used up in the reaction.
  4. Mass can neither be created nor destroyed
Down
  1. A starting substance in a chemical reaction
  2. Separates the formulas of the (reactants on the left) from the formulas of the products (on the right) ex: Fe+ O2 Fe2 O3
  3. Each side of the equation has the same number of atoms of each element.
  4. Chemical equation that does not indicate the relative amounts of the reactants and products involved in the reaction

8 Clues: Mass can neither be created nor destroyed • A starting substance in a chemical reaction • Substance that undergoes a change in a chemical reaction. • Each side of the equation has the same number of atoms of each element. • Are placed in front of the symbol;is balanced by changing or adding______ • ...

Ashton Sayers Chapter 13 2019-03-07

Ashton Sayers Chapter 13 crossword puzzle
Across
  1. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.
  2. A measure of the acidity of a solution
  3. The deterioration of a metal, typically caused by atmospheric oxygen.
  4. The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought together into a bond.
  5. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right.
  6. An ionic compound commonly formed from the reaction between an acid and a base.
Down
  1. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
  2. A polyatomic ion made by removing a proton (hydrogen ion) from a water molecule.
  3. Description of a substance that can behave as either an acid or a base.
  4. the new materials formed in a chemical reaction

10 Clues: A measure of the acidity of a solution • the new materials formed in a chemical reaction • The deterioration of a metal, typically caused by atmospheric oxygen. • Description of a substance that can behave as either an acid or a base. • An ionic compound commonly formed from the reaction between an acid and a base. • ...

CHEMICAL REACTIONS AND EQUATIONS 2021-06-07

CHEMICAL REACTIONS AND EQUATIONS crossword puzzle
Across
  1. Starting materials/substrates in a chemical reaction.
  2. Reaction in which energy is absorbed.
  3. Reaction in which energy is released.
  4. Addition of hydrogen.
Down
  1. Double displacement reaction is also known as..........reaction.
  2. Packaged food items are flushed with this gas.
  3. Corrosion of iron is also known as......
  4. Respiration is a .............reaction.
  5. Addition of oxygen.
  6. Reaction in which both Reduction and oxidation takes place simultaneously.

10 Clues: Addition of oxygen. • Addition of hydrogen. • Reaction in which energy is absorbed. • Reaction in which energy is released. • Respiration is a .............reaction. • Corrosion of iron is also known as...... • Packaged food items are flushed with this gas. • Starting materials/substrates in a chemical reaction. • ...

Neutralisation Reactions 2017-05-25

Neutralisation Reactions crossword puzzle
Across
  1. bases feel ...
  2. name of the reaction between an acid and a base
  3. Neutralisation reaction produce water and this compound
  4. the name of the ions bases release in water
  5. name of a base that dissolves in water
  6. name of the salt formed when nitric acid reacts with lead hydroxide
  7. the element which all acids contain
Down
  1. salt formed when hydrochloric acid reacts with calcium hydroxide
  2. colour of a neutral solution in universal indicator
  3. The type of acid found in oranges
  4. These chemicals have a sour taste
  5. name of the acid formed when sulfuric acid reacts with zinc hydroxide
  6. chemical name for table salt
  7. number of Hydrogen atoms in a water molecule
  8. This scale is used to measure the strength of acids and bases
  9. One of the two products of a neutralisation reaction
  10. pH of a solution at the end of a neutralisation reaction
  11. colour of strong acids in universal indicator

18 Clues: bases feel ... • chemical name for table salt • The type of acid found in oranges • These chemicals have a sour taste • the element which all acids contain • name of a base that dissolves in water • the name of the ions bases release in water • number of Hydrogen atoms in a water molecule • colour of strong acids in universal indicator • ...

Properties 2023-11-30

Properties crossword puzzle
Across
  1. common with chemical properties
  2. can be measured without changing
  3. trait of physical property
  4. makes up anything
Down
  1. combine with other substance for reaction
  2. trait of chemical property
  3. trait of chemical property
  4. traits of physical property
  5. trait of physical property
  6. characteristics of matter

10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction

Chem 2023-11-16

Chem crossword puzzle
Across
  1. A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
  2. the process of becoming an acid or the act of making something become an acid
  3. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  4. H₂CO₃
  5. the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
  1. When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. a principle of chemistry used to predict the rates of chemical reactions
  3. the abundance of a constituent divided by the total volume of a mixture
  4. CO2
  5. A state in which the rate of the forward reaction equals the rate of the backward reaction
  6. a measure of how acidic/basic water is
  7. a process that leads to the chemical transformation of one set of chemical substances to another.

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  2. is negative charge but also is part of a atom
  3. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
Down
  1. is the objetive or the resul of a previus process
  2. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  3. is when 22 ore more elements have a reaction or change when they are together
  4. this is use to pull apart the colour by the sun light
  5. is when something is connected like elemnts, subtances, people, subjets; etc.
  6. is the symbols or the reprensetantion of a chemical change
  7. is the number 8 on the peridic table and is a gas

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when 22 ore more elements have a reaction or change when they are together • ...

Chapter 8 Reading Guide 2021-11-14

Chapter 8 Reading Guide crossword puzzle
Across
  1. a reaction where the change in free energy is negative. Indicating a spontaneous reaction. This includes cellular respiration where delta g for this reaction is approximately -686 kcal/mol.
  2. A protein that acts as a catalyst in living organisms. The specificity of an enzyme results from its shape, which results from amino acid sequence.
  3. Where there is a large concentration of oxygen (lungs or gills), hemoglobin's affinity for oxygen increases as more binding/active sites are filled.
  4. Proper _______ of the substrate
  5. If energy is released, the change in free energy is ____.
  6. Reactants that bind to an enzyme.
  7. A form of work that involves physical processes. Ex: Contraction of muscle cells
  8. A site that has an indentation on the surface of the enyme where catalysis occurs
  9. a reaction where the change in free energy is positive. These also typically possess an additional driving force. This includes photosynthesis which is primarily driven by sunlight.
  10. reactions that consume energy, build larger molecules, include photosynthesis, are considered "uphill"
  11. The rate of an enzymatic reaction increases with increasing temperature, partly because substrates collide with active sites more frequently with more kinetic energy. Each enzyme works better under some conditions than others. Extremes of pH or temperatures can influence a protein's structure.
  12. A form of work which pumps substances across membranes against the direction of spontaneous movement. Ex: sodium-potassium pump
  13. A process that utilizes water to breakdown compounds. Is responsible for breaking down ATP.
  14. A type of inhibitor that reduces the activity of an enzyme by entering the active site in place of the substrate.
  15. The regulation or binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site. This is similar to the noncompetitive inhibitor as it may inhibit enzyme activity but different in the way it stimulates enzyme activity. The binding of an activator stablizies the active form of the enzyme, whereas the binding of an inhibitor stabilizes the inactive.
  16. A human enzyme that functions well in pH 2 and is found in the human stomach.
  17. The amount of energy that reactants must absorb before a chemical reaction will start.
  18. When the terminal phosphate bond is broken, a molecule of inorganic phosphate P is formed, and energy is... For this reaction: ATP = ADP + P and Delta G = -7.3 (exergonic)
  19. an energy form a body possess based on its position relative to others, or structure. Ex: water behind a dam or mole of glucose.
Down
  1. Is an organic molecule serving as a cofactor, most vitamins are coenzymes in metabolic reactions.
  2. This is the use of energy released from an exergonic reaction to drive an endergonic reaction. In many cellular reactions, a phosphate group is transferred from ATP to some other molecule in order to make the second molecule less stable. The second molecule is said to be a phosphorylated intermediate. If you couldn't regenerate ATP by phosphorylation ADP, you would need to consume nearly your body weight in ATP each day.
  3. Fun fact: Researchers at Cornell have captured a stage of an antibiotic-producing enzyme’s construction process, opening the gateway for future development of pharmaceuticals, including antibiotics, immunosuppressants and chemotherapeutic. The study describes the atomic structure of one enzyme, a polyketide synthase, at two different stages of its reaction cycle. This is the first time an entire polyketide synthase has been visualized. This was accomplished on November 4th 2021. (Answer for this line is "cornell").
  4. A type of energy which is the portion of an entire system's energy that can perform work when pressure and temp. are uniform throughout the system. Symbol: the letter 'G'. For an exergonic reaction, delta g is negative as it experiences a net release of free energy.
  5. Direct ________ of the active site in the chemical reaction is another mechanism of catalysis
  6. Providing a favourable micro-_____
  7. entirety of an organism's chemical reactions, manages the material and energy resources of a cell
  8. initial ______ of substrate: frequently access the active sites of the enzyme molecules
  9. Materials resulting from chemical reactions.
  10. an energy form associated with the motion of bodies. Is a function of the work done on objects.
  11. A chemical agent that increases the rate of reaction without being consumed.
  12. A type of inhibitor or substance that reduce the activity of an enzyme by binding to a location remote from the active site, changing the enzyme's shape so that the active site no longer effectively catalyzes the conversion of substrate to produce.
  13. Consists of adenosine triphosphate. With the sugar ribose, nitrogenous base adenine and three phosphate groups bonded to it.
  14. The optimal pH values for most enzymes are within 6-8
  15. Is a nonprotein molecule or ion that is required for the proper functioning of an enzyme. They are permanently bound to an active site or may bind loosely and reversibly, along with the substrate during catalysis.
  16. reactions release energy, break down molecules, require enzymes to catalyze reactions, includes cellular respiration, are considered "downhill".
  17. A form of work which pushes endergonic reactions that would not occur spontaneously. Ex: synthesis of monomers to polymers.
  18. Due to the entry of the substrate, the change in space of the active site of an enzyme so that it binds/fits more snugly to the substrate.
  19. transition slates by straining the substrate bonds

38 Clues: Proper _______ of the substrate • Reactants that bind to an enzyme. • Providing a favourable micro-_____ • Materials resulting from chemical reactions. • transition slates by straining the substrate bonds • The optimal pH values for most enzymes are within 6-8 • If energy is released, the change in free energy is ____. • ...

Properties 2023-11-30

Properties crossword puzzle
Across
  1. common with chemical properties
  2. can be measured without changing
  3. trait of physical property
  4. makes up anything
Down
  1. combine with other substance for reaction
  2. trait of chemical property
  3. trait of chemical property
  4. traits of physical property
  5. trait of physical property
  6. characteristics of matter

10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction

Austin Oler... Science Changes in Matter 2024-05-16

Austin Oler... Science Changes in Matter crossword puzzle
Across
  1. mg,ir,h,o,cl
  2. smallest unit of matter
  3. heat of something
  4. heat releasing
  5. elements combining together
  6. anything that takes up space
  7. heat absorbing
  8. solution of more than one elements
  9. a product of mixing
  10. ability to work or be active
Down
  1. smallest part of a substance
  2. amount of space used by matter
  3. liquid,solid,gas
  4. molecules trying to stick together
  5. elements change when combined with another in a reaction
  6. study of matter and chemicals
  7. temperatures
  8. A process where elements combine for a chemical _

18 Clues: mg,ir,h,o,cl • temperatures • heat releasing • heat absorbing • liquid,solid,gas • heat of something • a product of mixing • smallest unit of matter • elements combining together • smallest part of a substance • anything that takes up space • ability to work or be active • study of matter and chemicals • amount of space used by matter • molecules trying to stick together • ...

Properties 2023-11-30

Properties crossword puzzle
Across
  1. common with chemical properties
  2. can be measured without changing
  3. trait of physical property
  4. makes up anything
Down
  1. combine with other substance for reaction
  2. trait of chemical property
  3. trait of chemical property
  4. traits of physical property
  5. trait of physical property
  6. characteristics of matter

10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction

Chemistry 2023-05-08

Chemistry crossword puzzle
Across
  1. Mass number = number of ________
  2. Bond between two metals
  3. Decay where a neutron changes to a proton and electron
  4. Material made of only one substance
  5. Location of most mass of an atom
  6. Reaction type where new substance is formed
  7. Type of covalent bond where sharing isn't equal
  8. Using mass or moles of one substance to find mass or moles of another substance
  9. Reaction type where substance doesn't change
  10. 6.022 x 10^23, unit of measure of molecules in a substance
  11. Bond where metal takes electrons from nonmetal
Down
  1. Bond where two nonmetals share electrons
  2. Decay where only energy is released
  3. Material made of two or more substances
  4. The _____ of all substances in a reaction must be equal
  5. All flammable objects catch fire
  6. Number of protons = atomic ________
  7. Reaction where a hydrocarbon and oxygen combine to make water and carbon dioxide
  8. Decay where a helium nucleus is produced
  9. Row on the periodic table

20 Clues: Bond between two metals • Row on the periodic table • Mass number = number of ________ • All flammable objects catch fire • Location of most mass of an atom • Decay where only energy is released • Material made of only one substance • Number of protons = atomic ________ • Material made of two or more substances • Bond where two nonmetals share electrons • ...

Unit 7 Vocabulary - Chemical Reactions 2024-01-19

Unit 7 Vocabulary - Chemical Reactions crossword puzzle
Across
  1. A chemical reaction where iron reacts with oxygen and water to form iron oxide (rust).
  2. The change in position of an object.
  3. The process by which the body breaks down food into simpler substances for use by the body.
  4. A chemical reaction (combustion) that occurs when a substance reacts with oxygen, releasing heat and light.
  5. A form of energy that is transferred between objects due to a temperature difference.
Down
  1. A process that involves chemical changes in food, often involving heat.
  2. A measure of the average kinetic energy of the particles in a substance.
  3. The tendency of a substance to undergo chemical reaction, either by itself or with other materials.
  4. The set of chemical reactions in a living organism that maintain life, including the breakdown of nutrients for energy and the synthesis of necessary compounds.

9 Clues: The change in position of an object. • A process that involves chemical changes in food, often involving heat. • A measure of the average kinetic energy of the particles in a substance. • A form of energy that is transferred between objects due to a temperature difference. • A chemical reaction where iron reacts with oxygen and water to form iron oxide (rust). • ...

Mixtures & Compounds and Chemical Changes 2021-04-05

Mixtures & Compounds and Chemical Changes crossword puzzle
Across
  1. A change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substances.
  2. A substance that is formed by the chemical combination of two or more elements.
  3. A substance that dissolves one or more other substances to form a solution.
  4. a type of mixture in which the particles of one material are scattered through another and block the passage of light without setting out.
  5. A solid formed by the chemical reaction of two solutions.
  6. A substance at the end of a chemical reaction.
Down
  1. The process of separating the parts of a mixture by evaporation and condensation.
  2. An original substance at the beginning of a chemical reaction.
  3. A substance that is dissolved by another substance to form a solution.
  4. A physical combination of two or more substances that are blended together without forming new substances.
  5. a solution of a metal and at least one other solid which is often also a metal.
  6. A mixture of substances that are blended so completely that the mixture looks the same everywhere.

12 Clues: A substance at the end of a chemical reaction. • A solid formed by the chemical reaction of two solutions. • An original substance at the beginning of a chemical reaction. • A substance that is dissolved by another substance to form a solution. • A substance that dissolves one or more other substances to form a solution. • ...

Chem 2023-11-16

Chem crossword puzzle
Across
  1. A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
  2. the process of becoming an acid or the act of making something become an acid
  3. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  4. H₂CO₃
  5. the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
  1. When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. a principle of chemistry used to predict the rates of chemical reactions
  3. the abundance of a constituent divided by the total volume of a mixture
  4. CO2
  5. A state in which the rate of the forward reaction equals the rate of the backward reaction
  6. a measure of how acidic/basic water is
  7. a process that leads to the chemical transformation of one set of chemical substances to another.

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Body Fluid - Blood recap 2025-01-12

Body Fluid - Blood recap crossword puzzle
Across
  1. type of confirmatory test for blood where feathered shape crystals form if human blood is detected
  2. component of blood that sticks to each other to form a barrier around a wound
  3. type of chemical test that indicates a class of compounds
  4. types of cells that are the precursors of all the cells in the body
  5. chemical reaction at the basis of KM and LMG tests where the heme group acts as a catalyst facilitating the reaction of the colourless reduced forms of phenolphthalein and malachite green to their coloured forms
  6. type of blood where fibrin has been removed
Down
  1. a test result which wrongly indicates that a particular condition or attribute is present (2 words separated by a dash)
  2. disease where blood doesn't coagulate because of missing factors within the clotting pathways
  3. consecutive enzyme activation process that leads to formation of barrier to stop the bleeding (2 words separated by a dash)
  4. type of test where a chemical is emitting light during a chemical reaction
  5. proteins that form a clot
  6. only blood component that doesn't contain DNA

12 Clues: proteins that form a clot • type of blood where fibrin has been removed • only blood component that doesn't contain DNA • type of chemical test that indicates a class of compounds • types of cells that are the precursors of all the cells in the body • type of test where a chemical is emitting light during a chemical reaction • ...

Chemical Reactions 2024-05-03

Chemical Reactions crossword puzzle
Across
  1. a natural process that converts a refined metal into a more chemically stable oxide.
  2. Process Of the addition of oxygen or reduction of hydrogen
  3. Reaction in which one reactant gets oxidised while the other gets reduced
  4. 2Ag+Cl2
  5. Chemical Formula Of Dichromate(no need of valency)
  6. Reaction In which acid and Base react to form salt and water
  7. a type of chemical reaction that involves a transfer of electrons between two species.
  8. TetraValent Cation
  9. Substance which prevents oxidation
Down
  1. Reaction In which a substance decomposes under the influence of light
  2. Bivalent Anion
  3. Reaction In which insoluble salts are formed by the exchange of ions
  4. what forms when calcium carbonate reacts with carbon di oxide in air
  5. solution in which the solvent is water.
  6. a condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavour and odour
  7. Reaction In which two or more simpler substances combine to form a product
  8. Quick Lime + water ---> ________ + Heat

17 Clues: 2Ag+Cl2 • Bivalent Anion • TetraValent Cation • Substance which prevents oxidation • solution in which the solvent is water. • Quick Lime + water ---> ________ + Heat • Chemical Formula Of Dichromate(no need of valency) • Process Of the addition of oxygen or reduction of hydrogen • Reaction In which acid and Base react to form salt and water • ...

Chemistry Lab 2025-11-07

Chemistry Lab crossword puzzle
Across
  1. A reaction that absorbs heat.
  2. A reaction that produces heat
  3. A substance that increases the speed of a reaction without being consumed.
  4. A tool used to measure small amounts of liquid precisely.
  5. A reaction between an acid and a base that forms salt and water.
  6. A glass container used to mix and heat substances.
  7. A process in which electrons are lost.
Down
  1. The process of separating a solid from a liquid using paper
  2. A narrow glass tube used to deliver measured volumes of liquid
  3. A solid substance formed in a solution during a chemical reaction.
  4. A clear, homogeneous mixture of two or more substances.
  5. A process in which electrons are gained.
  6. The substance that is dissolved in a solvent.
  7. The process of converting a liquid into vapor.
  8. The smallest unit of an element.
  9. A piece of equipment used to heat substances in the laboratory.

16 Clues: A reaction that absorbs heat. • A reaction that produces heat • The smallest unit of an element. • A process in which electrons are lost. • A process in which electrons are gained. • The substance that is dissolved in a solvent. • The process of converting a liquid into vapor. • A glass container used to mix and heat substances. • ...

Acids Bases and Salts 2025-09-04

Acids Bases and Salts crossword puzzle
Across
  1. equation showing only the ions that change in a reaction
  2. technique to separate an insoluble solid from a liquid
  3. substance that forms hydrogen ions (h⁺) in water and donates protons
  4. mixture of indicators showing a full range of ph colours
  5. process that releases heat to the surroundings
  6. chemical reaction written with words instead of formulas
  7. symbol equation with equal numbers of each atom on both sides
  8. pictogram used to warn about chemical dangers
  9. able to dissolve in a solvent like water
  10. method to obtain pure crystals of a dissolved salt by evaporation and cooling
  11. not able to dissolve appreciably in a solvent
  12. reaction of an acid with a base forming a salt and water
  13. acid that only partially ionises in water
  14. calcium hydroxide solution used to test for carbon dioxide
  15. test for hydrogen gas using a lit splint to hear a pop
  16. basic oxide reacting with acids to form a salt and water
  17. alkali that only partially dissociates to release oh⁻ ions
  18. ionic compound formed when the h⁺ of an acid is replaced by a metal or ammonium ion
  19. dye that changes colour depending on acidity or alkalinity
  20. bubbling observed when a gas such as carbon dioxide is produced
  21. chemical that causes inflammation or discomfort on contact
  22. technique to find concentration by reacting with a standard solution
  23. h⁺ ion responsible for acidity in aqueous solutions
  24. oh⁻ ion responsible for alkalinity in aqueous solutions
Down
  1. carbon-based acid like ethanoic acid that partially ionises in water
  2. common weak alkali nh₃ used to make ammonium salts
  3. substance that neutralises excess stomach acid
  4. chemical that can destroy living tissue or materials
  5. compound containing the co₃²⁻ ion that reacts with acids to give co₂
  6. solution with a relatively small amount of solute per volume
  7. indicator red in acid, orange near neutral, and yellow in alkali
  8. point where acid and base have reacted in exact stoichiometric amounts
  9. a base that dissolves in water to give hydroxide ions (oh⁻)
  10. formation of an insoluble solid during a reaction
  11. chemical reaction written using chemical formulas
  12. guidelines predicting whether common salts are soluble or insoluble
  13. numerical scale from 0 to 14 showing acidity or alkalinity, with 7 as neutral
  14. simple indicator turning red in acid and blue in alkali
  15. describes a solution with ph 7 and equal amounts of h⁺ and oh⁻
  16. acid that fully ionises in water
  17. substance that reacts with an acid by accepting h⁺ ions
  18. alkali that fully dissociates to release oh⁻ ions
  19. base or alkali that reacts with acids to form a salt and water
  20. inorganic acid such as hydrochloric, sulfuric, or nitric acid
  21. nh₄⁺ ion found in salts formed with acids
  22. stage where the indicator shows the titration is complete
  23. solution with a relatively large amount of solute per volume
  24. process of removing solvent by heating to leave dissolved solids

48 Clues: acid that fully ionises in water • able to dissolve in a solvent like water • acid that only partially ionises in water • nh₄⁺ ion found in salts formed with acids • pictogram used to warn about chemical dangers • not able to dissolve appreciably in a solvent • substance that neutralises excess stomach acid • process that releases heat to the surroundings • ...

IV Medications 2014-03-11

IV Medications crossword puzzle
Across
  1. a tube that goes into a peripheral vein
  2. fluid with the same saltyness as the body
  3. medicinal chemical
  4. severe allergic reaction
  5. fluid in the tissues
  6. into the vein
  7. a bacterial infection
  8. a clump of blood cells
  9. inflammation of the vein
Down
  1. a fluid regulating chamber
  2. machine that regulates flow
  3. when 2 drugs cannot be mixed together
  4. a line that goes directly into the subclavian vein
  5. antibacterial agent
  6. composed of RBC WBC plasma platelettes etc
  7. unwanted side effect
  8. decrease the concentration
  9. a bubble

18 Clues: a bubble • into the vein • medicinal chemical • antibacterial agent • fluid in the tissues • unwanted side effect • a bacterial infection • a clump of blood cells • severe allergic reaction • inflammation of the vein • a fluid regulating chamber • decrease the concentration • machine that regulates flow • when 2 drugs cannot be mixed together • a tube that goes into a peripheral vein • ...

photostn n thesis 2023-10-19

photostn n thesis crossword puzzle
Across
  1. formula for carbon dioxide
  2. its green
  3. whats needed for the reaction to take place
  4. substances that are formed from chemical reaction
  5. a type of energy
  6. plants make it
  7. little mouth
  8. plants breathe it out
  9. green pigment
  10. formula for water
Down
  1. organelle where photosynthesis takes place
  2. plants need it to make energy
  3. when plants make their own food
  4. dioxide plants breathe it in
  5. plants need it to grow
  6. distributes water to plant
  7. formula for glucose
  8. formula for oxygen

18 Clues: its green • little mouth • green pigment • plants make it • a type of energy • formula for water • formula for oxygen • formula for glucose • plants breathe it out • plants need it to grow • formula for carbon dioxide • distributes water to plant • dioxide plants breathe it in • plants need it to make energy • when plants make their own food • organelle where photosynthesis takes place • ...

Biology Ch. 2 Vocab 2022-08-30

Biology Ch. 2 Vocab crossword puzzle
Across
  1. weak attraction between a hydrogen atom and another atom
  2. atom that has a positive or negative charge
  3. pure substance that consists entirely of one type of atom
  4. energy input that is needed for a reaction to begin
  5. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  6. elements or compounds that enter into a chemical reaction
  7. slight attraction that develops between oppositely charged regions of nearby molecules
  8. negatively charged particle located in the space surrounding the nucleus
  9. compound with an amino group on one end and a carboxyl group on the other end
  10. type of mixture in which all the components are evenly distributed
  11. attraction between molecules of the same substance
  12. protein catalyst that speeds up the rate of specific biological reactions
  13. type of bond between atoms in which the electrons are shared
  14. process that changes, or transforms, one set of chemicals into another set of chemicals
  15. reactant of an enzyme-catalyzed reaction
  16. the center of an atom, which contains the protons and neutrons
  17. material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Down
  1. force of attraction between different kinds of molecules
  2. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
  3. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  4. substance that is dissolved in a solution
  5. chemical bond formed when one or more electrons are transferred from one atom to another
  6. smallest unit of most compounds that displays all the properties of that compound
  7. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  8. compound that prevents sharp, sudden changes in pH
  9. mixture of water and non-dissolved material
  10. compound made of carbon, hydrogen, and oxygen atoms; types of nutrients that are the major source of energy to the body
  11. compound that produces hydroxide ions (OH-) in solution; solution with a pH of more than 7
  12. the basic unit of matter
  13. elements or compounds produced by chemical reactions
  14. substance formed by the chemical combination of two or more elements in definite proportions
  15. small chemical unit that makes up a polymer
  16. scale used to measure the concentration of H+ ions in a solution
  17. one of several forms of a single element, which contains the same number of protons but different number of neutrons
  18. compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
  19. molecule composed of many monomers; makes up macromolecules
  20. dissolving substance in a solution
  21. substance that speeds up the rate of a chemical reaction

38 Clues: the basic unit of matter • dissolving substance in a solution • reactant of an enzyme-catalyzed reaction • substance that is dissolved in a solution • atom that has a positive or negative charge • mixture of water and non-dissolved material • small chemical unit that makes up a polymer • compound that prevents sharp, sudden changes in pH • ...

Chemical Reactions 2016-04-24

Chemical Reactions crossword puzzle
Across
  1. All substances found to the right of the arrow.
  2. Combustion reactions that occur where the oxygen supply is somewhat limited.
  3. A chemical that is added to the reaction to speed it up but is not changed itself.
  4. This type of natural decay gives of an alpha particle or a helium nucleus.
  5. Type of displacement where one element in a compound is displaced or replaced by another similar element.
  6. Where two lighter nuclei come together or one nuclei absorbs a high energy particle often causing the release of several neutrons and high energy.
  7. The reaction of a substance with oxygen to form the most common oxide of the compound.
Down
  1. One complex substance breaks down into two or more simple substances.
  2. Combustion reactions that occur with a full supply of oxygen.
  3. All substances found to the left of the reaction arrow.
  4. The three types of reactions are chemical, physical and...
  5. Element at the top of the Activity Series.
  6. The number of basic types of general chemical reactions.
  7. Two or more simple substances to form one complex substance.
  8. Least reactive element of the Activity Series.
  9. This type of natural decay is the giving off of a particle that has no mass and no charge.

16 Clues: Element at the top of the Activity Series. • Least reactive element of the Activity Series. • All substances found to the right of the arrow. • All substances found to the left of the reaction arrow. • The number of basic types of general chemical reactions. • The three types of reactions are chemical, physical and... • ...

Earth Systems 2022-01-13

Earth Systems crossword puzzle
Across
  1. formed as a result of a chemical reaction
  2. any class of soluble, crystalline, typically sweet carbohydrate
  3. found in lipids
  4. Reaction absorb heat
  5. doesn't contain the most highest number of hydrogen atoms
  6. class of sugar whose molecules contain two monosaccharide residues
  7. substance insoluble in water but soluble in alcohol, ether, and chloroform
  8. organic molecules consisting on a nucleoside and a phosphate.
  9. Energy minimum quantity of energy
  10. a carbohydrate whose molecules consist of a number of sugar molecules bonded together
  11. Acid broken down fats absorbed into blood
Down
  1. large, complex molecules
  2. class of sugar that cannot be broken down
  3. contains the most highest number of hydrogen atoms
  4. substance on which an enzyme acts
  5. substance produced by a living organism which acts as a catalyst to make a specific biochemical reaction
  6. Reaction release heat
  7. Acid long chainlike molecules composed of nucleotides
  8. molecule that can be broken down for energy
  9. Acid combine to form proteins

20 Clues: found in lipids • Reaction absorb heat • Reaction release heat • large, complex molecules • Acid combine to form proteins • substance on which an enzyme acts • Energy minimum quantity of energy • class of sugar that cannot be broken down • formed as a result of a chemical reaction • Acid broken down fats absorbed into blood • molecule that can be broken down for energy • ...

physical science 2023-08-22

physical science crossword puzzle
Across
  1. mixture
  2. range order
  3. mixtures
  4. zero
  5. reaction
Down
  1. unit
  2. order
  3. metals
  4. table
  5. range order
  6. energy
  7. element

12 Clues: unit • zero • order • table • metals • energy • mixture • element • mixtures • reaction • range order • range order

MOD 140 2011-11-30

MOD 140 crossword puzzle
Across
  1. Thin layer of debris on newly prepared dentin.
  2. Round
  3. Foundation or the basic ingredient of a material.
  4. Hardenor set by chemical reaction of two materials.
  5. To remove all moisture from an item or to dry out.
  6. To subject a material to the bonding process of two or more monomers.
  7. Reproduction of patients bite with use of wax or elastrometric material.
  8. Compound of many molecules.
  9. Chemical agent used to prepare a tooth surface for a dental material.
  10. To mix using a spatula type instrument.
  11. Foundation that binds a substance together continuous phases in which particles of filler are dispersed in composite resin
  12. TO cause something to scatter or to become dispersed and gradually disappears.
Down
  1. Relating to heat.
  2. Chemical process which crystals form a structure.
  3. Preserved or finished by chemical or physical process.
  4. An object moved vertically to pound or pulverize a material.
  5. Prefix meaning water.
  6. Relates to gypsum products indicating two parts of water to one part of calcium sulfate
  7. Preventing the passege of the heat or electricity.
  8. Substance that can evaporate easily and very explosive.
  9. Mineral used in formation of plaster of paris and stnoe
  10. realese of heat by chemical reaction.
  11. The process of mixing an alloy with mercury to form an amalgam.
  12. Ability of two things to be held firmly together.
  13. To stick two items together
  14. Having a soothing effect.
  15. An alloy with one of the constituents being mercury.
  16. Loss of water causing something to shrink.
  17. Artistic pleasing and beautiful appearance.

29 Clues: Round • Relating to heat. • Prefix meaning water. • Having a soothing effect. • Compound of many molecules. • To stick two items together • realese of heat by chemical reaction. • To mix using a spatula type instrument. • Loss of water causing something to shrink. • Artistic pleasing and beautiful appearance. • Thin layer of debris on newly prepared dentin. • ...

Waste-to-Energy 2021-05-31

Waste-to-Energy crossword puzzle
Across
  1. form of waste (trees)
  2. where the waste is burned
  3. to use again
  4. other product of combustion
  5. product of combustion
  6. types of energy that are good for the environment
  7. uses MSW fuel
  8. garbage
  9. chemical reaction that occurs during waste-to-energy process
  10. form of emissions that are bad for the environment
  11. form of waste(grass)
  12. When waste is used to create energy
Down
  1. MSW product
  2. waste used in waste to energy
  3. product of combustion
  4. name of MSW plants
  5. other location that waste can go to
  6. capacity for doing work
  7. chemical needed for waste to be eligible to be MSW
  8. other chemical needed for waste to be eligible to be MSW

20 Clues: garbage • MSW product • to use again • uses MSW fuel • name of MSW plants • form of waste(grass) • form of waste (trees) • product of combustion • product of combustion • capacity for doing work • where the waste is burned • other product of combustion • waste used in waste to energy • other location that waste can go to • When waste is used to create energy • ...

Chemistry 2021-10-21

Chemistry crossword puzzle
Across
  1. something that can be observed about a substance, such as color, smell, or boiling point
  2. an ending substance that is made during a chemical reaction
  3. a process in which atoms rearrange to form new substances
  4. a group of atoms joined together in a particular way
  5. something that is made of all the same atoms or groups of atoms
  6. - substance made up of two or more elements
Down
  1. the temperature at which a substance changes from the solid phase to the liquid phase
  2. An attraction between atoms that forms chemical substances
  3. a substance that is added to soil to help plants grow
  4. a starting substance that is part of a chemical reaction
  5. the relative size of things
  6. tiny pieces that all matter—all the stuff in the world—is made of
  7. A pure chemical substance made up of one type of atom
  8. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see

14 Clues: the relative size of things • - substance made up of two or more elements • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • A pure chemical substance made up of one type of atom • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • ...

Cells as basic unit of life 2022-06-23

Cells as basic unit of life crossword puzzle
Across
  1. give energy for reaction
  2. contract and relax to enable movement
  3. multicells
  4. unicell plant
  5. movement substances in and out
  6. control opening and closing of stoma
  7. medium for chemical reaction
Down
  1. support shape
  2. unicell animal and plant
  3. multicells
  4. layer to protect organs
  5. Absorb light energy for photosynthesis
  6. unicell animal
  7. multicells

14 Clues: multicells • multicells • multicells • support shape • unicell plant • unicell animal • layer to protect organs • give energy for reaction • unicell animal and plant • medium for chemical reaction • movement substances in and out • control opening and closing of stoma • contract and relax to enable movement • Absorb light energy for photosynthesis

Chapter 9 vocab 2024-01-25

Chapter 9 vocab crossword puzzle
Across
  1. the substance that is not used up completely in a reaction
  2. the reactant that limits the amount of the other reactants that can combine and the amount of product that can form in a chemical reaction
  3. the mass relationships of elements in compounds
Down
  1. the mass relations between reactants and products in a chemical reaction
  2. the ratio of the actual yield to the theoretical yield, multiplied by 100
  3. a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  4. the maximum amount of product that can be produced from a given amount of reactant
  5. the measured amount of a product obtained from a reaction

8 Clues: the mass relationships of elements in compounds • the measured amount of a product obtained from a reaction • the substance that is not used up completely in a reaction • the mass relations between reactants and products in a chemical reaction • the ratio of the actual yield to the theoretical yield, multiplied by 100 • ...

Physical Science Review Puzzle 2025-11-18

Physical Science Review Puzzle crossword puzzle
Across
  1. A type of Pure Substance that is made up of two or more elements bonded together
  2. A measurement of the acidity of a substance
  3. This number provides the number of protons and neutrons in the nucleus of an atom
  4. The type of element that typically loses electrons to become stable
  5. When the total number of atoms on both sides of a reaction are equal, that reaction is ______________
  6. These elements do not form ions
  7. The only family the is chemically stable
  8. What element has 3 energy levels and 2 valence electrons?
  9. A form of matter where all particles that make it up are the same type
  10. Name for a positively charged ion
  11. A measurement of the rate at which a substance flows
  12. A bond between a metal and a nonmetal
  13. As an ion this element has 17 protons and 18 electrons
  14. Name for a negatively charged ion
  15. Any substances that are made as a result of a chemical reaction
  16. A type of Pure Substance that is made up of single particles all of the same type
  17. What element has 9 protons, 10 neutrons and 9 electrons?
  18. A group of elements that have similar chemical properties and the same valence electrons
  19. A type of mixture where one substance dissolves in another
  20. The area of the atom where electrons are located
  21. The most reactive family of metals
  22. A group of elements that have the same number of valence electrons
  23. The electrons that are found in the outermost energy level of an atom
  24. As an ion this element has 11 protons and 10 electrons
  25. This number provides the number of protons and electrons in a neutral atom
  26. A form of matter where a variety of different particles make it up.
Down
  1. The number in front of a compound indicating how many molecules of that compound you have
  2. A change of matter that produces a new substance with entirely new chemical properties
  3. A measurement of the mass to volume ratio of a substance
  4. The area of the atom where protons and neutrons are located
  5. The term used to describe the charge of an atom as an ion
  6. A type of mixture where the different parts of the mixture remain separate and are easily observed.
  7. The number below an element in a chemical formula that indicates how many atoms of that element there are
  8. The overall charge of the nucleus of an atom
  9. The type of element that typically gains electrons to become stable
  10. The total mass in a reaction cannot be created or destroyed, but it can take on different forms.
  11. A bond between two or more nonmetals
  12. A change in matter that does not alter the chemical composition of the substance, only its appearance
  13. In an ionic bond the _________ always transfers valence electrons to the ______________
  14. The most reactive family of nonmetals
  15. In a covalent bond the valence electrons are ________ by the elements that bond.
  16. Any substances that take part in a chemical reaction

42 Clues: These elements do not form ions • Name for a positively charged ion • Name for a negatively charged ion • The most reactive family of metals • A bond between two or more nonmetals • A bond between a metal and a nonmetal • The most reactive family of nonmetals • The only family the is chemically stable • A measurement of the acidity of a substance • ...

Judah Lemke's Ch2 crossword. 2018-10-01

Judah Lemke's Ch2 crossword. crossword puzzle
Across
  1. An organic compound comprised of the ele­ ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
  2. A substance that changes the rate of a chemical re­action but is not itself used up or affected by the reaction.
  3. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life
  4. A class of simple organic compounds important in living things as a source of both energy and structure.
  5. The building block of matter; the smallest possible particle of an element.
  6. A change in a substance that results in one or more new substances being formed that have dif­ferent physical and chemical properties than those of the original substance.
  7. The attraction between like particles within polar substances.
  8. A pure substance made of only one kind of atom.
  9. The tendency of energy to disperse and become less available to do work
Down
  1. A naturally occurring catalyst, usually a protein.
  2. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  3. A substance that is present before a chemical re­action and takes part in it, usually shown on the left­hand side of a chemical equation.
  4. A measurement of the average speed of the particles within a substance.
  5. A class of organic compounds that serve as the building blocks of proteins.
  6. A pure substance made from two or more ele­ments that are chemically combined.
  7. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  8. The attraction of particles in one substance for particles in a different substance.
  9. An attraction between two atoms as a result of shar­ing or transferring valence electrons.
  10. A class of nonpolar organic compounds that are in­ soluble in water and are used for energy storage and cell membranes in living things.
  11. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation.

20 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The attraction between like particles within polar substances. • A measurement of the average speed of the particles within a substance. • The tendency of energy to disperse and become less available to do work • ...

Chemical Reactions and Balancing Vocabulary 2023-06-28

Chemical Reactions and Balancing Vocabulary crossword puzzle
Across
  1. Reaction - a reaction in which a compound breaks down into two or more simpler substances.
  2. Replacement - a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
  3. - The numbers placed in front of formulas to balance equations are called coefficients, and they multiply all the atoms in a formula.
  4. - The substance(s) to the left of the arrow in a chemical equation are called reactants.
Down
  1. Reaction - occurs when two or more reactants combine to form a single product.
  2. - a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  3. - A product is a substance that is present at the end of a chemical reaction.
  4. Replacement - a reaction in which one element is substituted for another element in a compound.

8 Clues: - A product is a substance that is present at the end of a chemical reaction. • Reaction - occurs when two or more reactants combine to form a single product. • - The substance(s) to the left of the arrow in a chemical equation are called reactants. • Reaction - a reaction in which a compound breaks down into two or more simpler substances. • ...

Rates of reaction 2024-09-25

Rates of reaction crossword puzzle
Across
  1. of reaction The net change of chemical potential energy of a system.
  2. rate The change in concentration per unit time of either a reactant or product.
  3. activated complex A temporary transition state between the reactants and the products.
  4. reactions Reactions which transfer potential energy into thermal energy.
Down
  1. reactions Reactions which transfer thermal energy into potential energy.
  2. energy The minimum energy required to start a chemical reaction.
  3. principle When an external stress (change in pressure, temperature, or concentration) is applied to a system in chemical equilibrium, the equilibrium point will change to counteract the stress.
  4. A substance that increases the rate of reaction but remains unchanged at the end of the reaction.

8 Clues: energy The minimum energy required to start a chemical reaction. • reactions Reactions which transfer thermal energy into potential energy. • of reaction The net change of chemical potential energy of a system. • ...

Nuclear and Chemical Reactions 2025-10-28

Nuclear and Chemical Reactions crossword puzzle
Across
  1. opposite forces/charges will _______
  2. like forces/charges will ______
  3. splitting a nucleus into 2 or more smaller nuclei
  4. nuclear force that results in radioactive decay of atoms, releases energy
  5. process in which 2 nuclei combine or collide
  6. 1 evidence of a chemical change also known as temperature change
  7. 1 evidence of a chemical change that causes reaction to fizz
Down
  1. 2 liquid combine to form a solid
  2. 2 or more nuclei combining to form a nucleus of greater mass
  3. a small amount of mass can be converted into a large amount of energy
  4. change of 1 or more substances into a new substance with a different identity
  5. radiation is lost from an atom because nucleus is unstable
  6. nuclear force that binds protons and neutrons together in a nucleus
  7. 1 evidence of a chemical change that causes reaction to smell

14 Clues: like forces/charges will ______ • 2 liquid combine to form a solid • opposite forces/charges will _______ • process in which 2 nuclei combine or collide • splitting a nucleus into 2 or more smaller nuclei • radiation is lost from an atom because nucleus is unstable • 2 or more nuclei combining to form a nucleus of greater mass • ...

Atomic Structure Vocabulary (use ^ for a space) 2021-01-18

Atomic Structure Vocabulary (use ^ for a space) crossword puzzle
Across
  1. a characteristic of a pure substance that can be observed without changing it into another substance
  2. a change in a substance that does not involve a change in the identity of the substance
  3. word part meaning one (1)
  4. word part meaning four (4)
  5. word part meaning eight (8)
  6. matter is not created nor destroyed in any chemical or physical change
  7. word part meaning alchemy or transformation of matter
  8. word part meaning six (6)
  9. a substance that decreases the hydrogen ion concentration in a solution
  10. an element that is a good conductor of heat and electric current
  11. word part meaning nine (9)
Down
  1. a characteristic of a pure substance that describes its ability to change into different substances
  2. a change in matter that produces one or more new substances
  3. word part meaning ten (10)
  4. the elements or compounds produced by a chemical reaction
  5. word part meaning five (5)
  6. word part meaning two (2)
  7. an element that may accept or donate electrons readily and possess a mixture of metallic and nonmetallic properties
  8. group 18 on the periodic table
  9. starting material in a chemical reaction
  10. word part meaning three (3)
  11. word part meaning belonging to nature or medicine
  12. an element that is usually dull in appearance, a poor conductor of heat and electricity, and a gas at room temperature
  13. a substance that increases the hydrogen ion concentration of a solution
  14. word part meaning seven (7)

25 Clues: word part meaning two (2) • word part meaning one (1) • word part meaning six (6) • word part meaning ten (10) • word part meaning five (5) • word part meaning four (4) • word part meaning nine (9) • word part meaning three (3) • word part meaning eight (8) • word part meaning seven (7) • group 18 on the periodic table • starting material in a chemical reaction • ...

Metabolism 2021-12-06

Metabolism crossword puzzle
Across
  1. - what gets produced after cellular respiration
  2. - amino acids when it isn’t broken down
  3. of your body - where all of the molecules go to
  4. - where oxygen and glucose go to create a chemical reaction
  5. - food to keep you energized
  6. respiration - chemical reaction between glucose and oxygen
Down
  1. system - where the food goes
  2. - glucose when it isn’t broken down
  3. system - where you breathe air through
  4. - when your body doesn’t get the energy it needs
  5. - the body systems working together
  6. - the molecules you take in when you breathe
  7. system - the transporter that delivers all molecules to the cells

13 Clues: system - where the food goes • - food to keep you energized • - glucose when it isn’t broken down • - the body systems working together • system - where you breathe air through • - amino acids when it isn’t broken down • - the molecules you take in when you breathe • - what gets produced after cellular respiration • of your body - where all of the molecules go to • ...