chemical reaction Crossword Puzzles

Photosynthesis and Cellular Respiration 2024-10-10

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. The transformation of energy into something that can be used by living organisms
  2. Organelle where cellular respiration takes place
  3. Something made/given off from a chemical reaction
  4. Organelle where photosynthesis takes place
  5. Adenosine triphosphate, product of cellular respiration
  6. A green pigment found in the chloroplast
  7. CO₂, reactant of photosynthesis, product of cellular respiration
  8. Type of energy used by plants in the process of photosynthesis
  9. A process in which plants use sunlight to create glucose, using water and carbon dioxide
Down
  1. A substance at the beginning of a chemical reaction
  2. The parts of a cell
  3. The capacity for work, glucose gets turned into this in cellular respiration
  4. A process in which food gets turned to energy, using glucose and oxygen
  5. H₂O,reactant of photosynthesis, product of cellular respiration
  6. Type of organism(s) that use cellular respiration
  7. A reactant in the process of photosynthesis
  8. Sugar, product of photosynthesis, reactant of cellular respiration
  9. A type of plant that uses photosynthesis, often in water
  10. Living organism that uses photosynthesis, have chloroplast
  11. O₂,product of photosynthesis, reactant of cellular respiration

20 Clues: The parts of a cell • A green pigment found in the chloroplast • Organelle where photosynthesis takes place • A reactant in the process of photosynthesis • Organelle where cellular respiration takes place • Something made/given off from a chemical reaction • Type of organism(s) that use cellular respiration • A substance at the beginning of a chemical reaction • ...

Unit 3: Energy Flow 2023-05-16

Unit 3: Energy Flow crossword puzzle
Across
  1. Break down larger molecules
  2. Autotrophs
  3. All the chemical reactions in a cell
  4. Substances that are made
  5. Proteins that lower the activation energy to speed up the biochemical reaction
  6. Absorbs energy
  7. Eat dead material
  8. Enzyme's active site gets deformed
  9. O2 not present
  10. C6H12O6+6O2->6CO2+6H2O+energy
  11. Pigment that captures sunlight
  12. Stacks of thylakoid membrane
  13. Another process the cell goes through when O2 isn't present
  14. Where substrate and enzyme connect
  15. Releases energy
  16. Eats only vegetation
Down
  1. An energy-carrying molecule that carries/stores energy for cell activity
  2. Substances that speed up reactions w/out being permanently altered
  3. Folded membrane
  4. O2 present
  5. Eats meat and vegetation
  6. Heterotrophs
  7. The forming and breaking of bonds during chemical changes
  8. Uses small molecules to build larger ones
  9. Energy needed to start a reaction
  10. 6CO2+6H2O->C6H12O6+6O2
  11. Process of an organism making its own food using chemicals
  12. Eats only meat
  13. Substances that are changed
  14. Fluid-like substance in mitochondria
  15. Fluid-like substance in chloroplast

31 Clues: Autotrophs • O2 present • Heterotrophs • Absorbs energy • O2 not present • Eats only meat • Folded membrane • Releases energy • Eat dead material • Eats only vegetation • 6CO2+6H2O->C6H12O6+6O2 • Substances that are made • Eats meat and vegetation • Break down larger molecules • Substances that are changed • Stacks of thylakoid membrane • C6H12O6+6O2->6CO2+6H2O+energy • ...

Chemistry Crossword 2013-10-24

Chemistry Crossword crossword puzzle
Across
  1. Water is a chemical........
  2. What element has the symbol Pb?
  3. A reaction that produces heat
  4. This element was discovered by Brand, whilst trying to make gold from urine
  5. The variable that you change during an experiment.
  6. The metal with the highest melting point
  7. What is your common table salt?
  8. The break down of an element using heat
  9. Group one metals are also known as.......
  10. What colour does Barium give in a flame test?
Down
  1. The name of this element comes from German for goblin (Kobald)
  2. Metal carbonate + hydrochloric acid -> carbon dioxide +water +salt. This is an example of a ........ reaction.
  3. What chemical has 1 as its atomic number?
  4. When one value (in a graph) increases, the other value increases aswell.
  5. What liquid do ALL group one metals react with?
  6. An element named after the man who made the first periodic table
  7. What is the hazard symbol put on a substance that will burn living tissue?
  8. What colour is the safety flame on a Bunsen burner?

18 Clues: Water is a chemical........ • A reaction that produces heat • What element has the symbol Pb? • What is your common table salt? • The break down of an element using heat • The metal with the highest melting point • What chemical has 1 as its atomic number? • Group one metals are also known as....... • What colour does Barium give in a flame test? • ...

Matter & Energy in Ecosystems Ch 1 2020-04-04

Matter & Energy in Ecosystems Ch 1 crossword puzzle
Across
  1. an organism that gets energy storage molecules by breaking down dead matter
  2. all the living and nonliving things interacting in a particular area
  3. a closed ecosystem made by humans
  4. an organism that can make its own energy storage molecules
  5. living things
  6. an organism that needs to eat in order to get energy storage molecules
  7. something that is required for a process
  8. part of a cell where photosynthesis happens
  9. the ability to make things change or move
  10. a type of atom that make up energy storage molecules
Down
  1. a molecule that organisms can use to release the energy needed to survive
  2. process by which plants and other producers use sunlight to make energy storage molecules
  3. part of a cell where respiration happens
  4. matter that makes up the nonliving parts of an ecosystem
  5. a starting substance in a chemical reaction
  6. a molecule that organisms can use to release energy
  7. an ending substance that is made during a chemical reaction
  8. a set of interacting parts forming a complex whole

18 Clues: living things • a closed ecosystem made by humans • part of a cell where respiration happens • something that is required for a process • the ability to make things change or move • a starting substance in a chemical reaction • part of a cell where photosynthesis happens • a set of interacting parts forming a complex whole • ...

Chemistry in Biology 2019-03-26

Chemistry in Biology crossword puzzle
Across
  1. A compound n which the atoms are held together by covalent bonds.
  2. __________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
  3. Neutrons and Protons are located in the __________
  4. Part of the atom located on the outside of the nucleus
  5. Are the process by which atoms or groups of atoms in substances are reorganized into different substances
  6. A pure substance that cannot be broken down by physical means
  7. The beginning portion of a chemical reaction
  8. Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
  9. Carbon ____________ happens when nitrogen becomes carbon through beta decay
  10. The positively charged part of an atom
  11. ________ bonds occur when electrons are shared
Down
  1. The neutral part of an atom
  2. The study of matter
  3. ____________ bonds occur when electrons are shared
  4. ____________ = Atoms
  5. The building blocks of matter
  6. The result of a chemical reaction
  7. __________-12 is used to date substances that have once been alive

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • ____________ bonds occur when electrons are shared • ...

Chemistry Vocab 2022-03-22

Chemistry Vocab crossword puzzle
Across
  1. Scale a measure of how acidic or basic a chemical substance is
  2. A liquid mixture in which the solute is evenly dissolved throughout the solvent (solutions stay mixed) -also known as a homogeneous mixture
  3. Mixture a substance in which components are mixed but don’t blend together
  4. a chemical compound which is soluble in water, tastes sour and turns blue litmus paper pink
  5. of Matter can be gas, liquid or solid and can change from one to another
Down
  1. the smallest part of a compound that can exist
  2. Change a change where there is no new substance made and no chemical reaction like a change of state
  3. Mixture a substance in which two or more components are evenly mixed but not bonded together
  4. the substance that is dissolved in a solution
  5. to separate the solid from a liquid by pouring it through a filter (such as paper or a sieve)
  6. Change a change in substances that have had a chemical reaction. The original substance is changed to a new substance and cannot easily be changed back
  7. a pure substance containing 2 or more elements connected together

12 Clues: the substance that is dissolved in a solution • the smallest part of a compound that can exist • Scale a measure of how acidic or basic a chemical substance is • a pure substance containing 2 or more elements connected together • of Matter can be gas, liquid or solid and can change from one to another • ...

Chemical Reactions 2023-12-13

Chemical Reactions crossword puzzle
Across
  1. Reaction A reaction in which two or more substances combine to form a compound.
  2. the reaction that happens in an engine
  3. The elements about to react
  4. Reaction A type of reaction where energy is absorbed, such as an instant ice pack. More energy is needed to break the bonds of the reactants than is given off by forming the bonds of the products.
  5. sign symbolizes a reaction
Down
  1. what is produced in a reaction
  2. A number placed in front of a product or reactant that tells the number of atoms reacting in an equation (by multiplication).
  3. solid substance formed in a chemical reaction
  4. Reaction A reaction in which a single compound breaks down to form two or more simpler substances
  5. Reaction A type of reaction in which energy is released, such as the combustion of a car engine.

10 Clues: sign symbolizes a reaction • The elements about to react • what is produced in a reaction • the reaction that happens in an engine • solid substance formed in a chemical reaction • Reaction A reaction in which two or more substances combine to form a compound. • Reaction A type of reaction in which energy is released, such as the combustion of a car engine. • ...

Chemical Reactions 2023-12-13

Chemical Reactions crossword puzzle
Across
  1. Reaction A reaction in which two or more substances combine to form a compound.
  2. the reaction that happens in an engine
  3. The elements about to react
  4. Reaction A type of reaction where energy is absorbed, such as an instant ice pack. More energy is needed to break the bonds of the reactants than is given off by forming the bonds of the products.
  5. sign symbolizes a reaction
Down
  1. what is produced in a reaction
  2. A number placed in front of a product or reactant that tells the number of atoms reacting in an equation (by multiplication).
  3. solid substance formed in a chemical reaction
  4. Reaction A reaction in which a single compound breaks down to form two or more simpler substances
  5. Reaction A type of reaction in which energy is released, such as the combustion of a car engine.

10 Clues: sign symbolizes a reaction • The elements about to react • what is produced in a reaction • the reaction that happens in an engine • solid substance formed in a chemical reaction • Reaction A reaction in which two or more substances combine to form a compound. • Reaction A type of reaction in which energy is released, such as the combustion of a car engine. • ...

Chemistry - Lower Secondary - Grade 8 - Book 9 2023-11-06

Chemistry - Lower Secondary - Grade 8 - Book 9 crossword puzzle
Across
  1. when solid formes when two liquid reacts
  2. A type of bond where electrons are transferred from one atom to another
  3. Cylindrical glass container
  4. this has a melting point of 1535 degree celcius
  5. salts formed using citric acid
  6. green and purple (48 - 83) (Hint: formula)
  7. The process by which a solid changes directly into a gas (Hint: S----)
  8. zero is the melting point of this
  9. other name for group 7 family
  10. VANLECOT
  11. when metals become liquid we say this
  12. when copper sulfate reacts with iron -- what type of reaction
  13. an element and a planet
  14. A chemical reaction in which heat is absorbed from the surroundings
  15. Fe + S
  16. greater the temperature, ________ the rate of reaction
  17. this stuff is used to make blackboard chalk
  18. this is flurine family and it is brown in colour
  19. this macromolecule is present in pencil
  20. (63 - 1 - 11; --- ; 197 - 4 - 4; 275 - 1 - 22; 274 - 1 - 3; 63 - 1 - 11; --- ;)
  21. when less pH solution reacts with more pH solution this reaction happens
  22. hardest non metal (D---)
  23. this is below the element which has melting point -270 and boiling point -269
Down
  1. very high reactive
  2. The process of a liquid changing into a gas at the surface
  3. S
  4. three dimension arrangement of atoms
  5. 199 - white colour equipment where heat is applied
  6. pop sound
  7. A state of matter with a definite shape but no fixed volume
  8. The study of the structure, properties, and behavior of matter
  9. A substance made up of two or more elements chemically combined
  10. this rock is made of calcium carbonate
  11. use your LB to find this word (246 – 3 – 7 ; 197 – 6 – 37; 21 – 14 – 10; 211 – 1 – 14; 132 – 12 – 16) (Hint: Letters may be jumbled)
  12. when carbonate salt reacts with acids this substance is produced
  13. A metal's tendency to lose electrons in chemical reactions
  14. high high exothermic reaction (Hint: train track)
  15. its melting point is -182 and boiling point us -161
  16. Purple - 54
  17. this shows no reaction
  18. 172 - metal responsible for blue colour
  19. The process of converting a gas into a liquid
  20. overall theme in 180
  21. OETACBANR (Jumbled)
  22. these compound conduct electricity
  23. Has no net electric charge
  24. the steepness of a slope, including on a graph
  25. In graph one of the point does not fit the pattern is called _______ result
  26. A substance that cannot be broken down by chemical means
  27. A type of solid with an ordered, repeating pattern of particles
  28. A form of matter that has a definite shape and volume

51 Clues: S • Fe + S • VANLECOT • pop sound • Purple - 54 • very high reactive • OETACBANR (Jumbled) • overall theme in 180 • this shows no reaction • an element and a planet • hardest non metal (D---) • Has no net electric charge • Cylindrical glass container • other name for group 7 family • salts formed using citric acid • zero is the melting point of this • these compound conduct electricity • ...

biology PAMELA 2020-09-23

biology PAMELA crossword puzzle
Across
  1. increases the rate of a chemical reaction
  2. structural protein found in skin
  3. are polymers of amino acids
Down
  1. a substance obtained
  2. energy nessesary to turn a sub to a pro
  3. deriving from the metabolism of a organism
  4. the substance on which an enzyme acts
  5. catalyst to bring about a chemical reaction

8 Clues: a substance obtained • are polymers of amino acids • structural protein found in skin • the substance on which an enzyme acts • energy nessesary to turn a sub to a pro • increases the rate of a chemical reaction • deriving from the metabolism of a organism • catalyst to bring about a chemical reaction

AQA ELC - Rate of Reaction 2021-02-20

AQA ELC - Rate of Reaction crossword puzzle
Across
  1. when two particles bump together.
  2. lowers the activation energy.
  3. hot and cold are examples of different...
Down
  1. what is made in a chemical reaction.
  2. number of particles in a given volume.
  3. grinding a solid into powder increases the...
  4. a chemical which is added in a chemical reaction

7 Clues: lowers the activation energy. • when two particles bump together. • what is made in a chemical reaction. • number of particles in a given volume. • hot and cold are examples of different... • grinding a solid into powder increases the... • a chemical which is added in a chemical reaction

8.3.1-2 Vocabulary 2025-01-30

8.3.1-2 Vocabulary crossword puzzle
Across
  1. a pigment that gives plants their green color and helps facilitate the conversion of light energy into chemical energy during photosynthesis
  2. A substance produced in a chemical reaction
  3. organelle where cellular respiration takes place, creating energy for the cell
  4. a process used by plants and a few other organisms to convert light energy into chemical energy by creating glucose from carbon dioxide and water
  5. Energy stored in chemical bonds
  6. the process by which the cells of all living things break down glucose to release its stored chemical energy
Down
  1. the organelle within a cell where photosynthesis takes place
  2. a type of sugar; the main source of energy for all living things
  3. a type of energy transmitted through electromagnetic radiation that is visible to the human eye
  4. a substance that takes part in and undergoes change during a reaction.

10 Clues: Energy stored in chemical bonds • A substance produced in a chemical reaction • the organelle within a cell where photosynthesis takes place • a type of sugar; the main source of energy for all living things • a substance that takes part in and undergoes change during a reaction. • organelle where cellular respiration takes place, creating energy for the cell • ...

molecules crossword 2022-09-15

molecules crossword crossword puzzle
Across
  1. potential of hydrogen
  2. molecules that combine to form proteins.
  3. a biological catalyst and is almost always a protein
  4. a substance that increases the rate of a chemical reaction
  5. able to dissolve other substances.
  6. a compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
  7. fatty acids
  8. the sticking together of particles of the same substance.
  9. process of adhering to a surface or object.
  10. a molecule that can be bonded to other identical molecules to form a polymer.
  11. sugars, fibers, and starches.
Down
  1. a covalent bond formed between two amino acids.
  2. naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells
  3. made up of monomers
  4. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  5. amino acids, each linked to its neighbor through a covalent peptide bond

16 Clues: fatty acids • made up of monomers • potential of hydrogen • sugars, fibers, and starches. • able to dissolve other substances. • molecules that combine to form proteins. • process of adhering to a surface or object. • a covalent bond formed between two amino acids. • a biological catalyst and is almost always a protein • ...

Science Finals Review 2022-11-28

Science Finals Review crossword puzzle
Across
  1. What is the movement of water?
  2. Where are phospholipids found?
  3. What is the purpose of active transport?
  4. What goes from high concentration to low concentration?
  5. What substances are composed of macromolecules.
  6. What substance that is altered during the chemical reaction?
  7. What type of energy does active transport need?
  8. What substance is made up of two elements?
  9. What holds water molecules together and is known as movement of water in plants; surface tension?
  10. What type of transport requires energy?
  11. What type of cell transport lets big molecules enter the cell?
Down
  1. What type of cell has a cell membrane but not a cell wall?
  2. What is a reactant in a chemical reaction?
  3. What substance is made up of two elements?
  4. What joins with similar molecules?
  5. What goes from low concentration to high concentration?
  6. What type of cell transport sends big molecules out of the cell?
  7. What is it when no concentration is changed?
  8. What type of cell has a big vacuole?
  9. What type of transport requires no energy?

20 Clues: What is the movement of water? • Where are phospholipids found? • What joins with similar molecules? • What type of cell has a big vacuole? • What type of transport requires energy? • What is the purpose of active transport? • What is a reactant in a chemical reaction? • What substance is made up of two elements? • What substance is made up of two elements? • ...

Chemistry in Biology 2019-03-27

Chemistry in Biology crossword puzzle
Across
  1. A compound n which the atoms are held together by covalent bonds.
  2. The positively charged part of an atom
  3. __________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
  4. Part of the atom located on the outside of the nucleus
  5. A pure substance that cannot be broken down by physical means
  6. ____________ bonds occur when electrons are shared
  7. The beginning portion of a chemical reaction
  8. ________ bonds occur when electrons are shared
Down
  1. ____________ = Atoms
  2. Neutrons and Protons are located in the __________
  3. Are the process by which atoms or groups of atoms in substances are reorganized into different substances
  4. Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
  5. The building blocks of matter
  6. The result of a chemical reaction
  7. The study of matter
  8. The neutral part of an atom
  9. Carbon ____________ happens when nitrogen becomes carbon through beta decay
  10. __________-12 is used to date substances that have once been alive

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • Neutrons and Protons are located in the __________ • ...

Chemistry in Biology 2019-03-27

Chemistry in Biology crossword puzzle
Across
  1. The result of a chemical reaction
  2. The building blocks of matter
  3. The study of matter
  4. __________-12 is used to date substances that have once been alive
  5. The beginning portion of a chemical reaction
  6. Part of the atom located on the outside of the nucleus
  7. Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
  8. A pure substance that cannot be broken down by physical means
  9. Neutrons and Protons are located in the __________
Down
  1. __________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
  2. Are the process by which atoms or groups of atoms in substances are reorganized into different substances
  3. ________ bonds occur when electrons are shared
  4. ____________ bonds occur when electrons are shared
  5. A compound n which the atoms are held together by covalent bonds.
  6. The neutral part of an atom
  7. ____________ = Atoms
  8. The positively charged part of an atom
  9. Carbon ____________ happens when nitrogen becomes carbon through beta decay

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • ____________ bonds occur when electrons are shared • ...

Vocab words 2025-10-15

Vocab words crossword puzzle
Across
  1. - formed in a chemical reaction
  2. - formed by a change in solution
  3. reaction
  4. Change
Down
  1. change
  2. - participate in a chemical reaction
  3. equation
  4. of Conservation of mass

8 Clues: change • Change • equation • reaction • of Conservation of mass • - formed in a chemical reaction • - formed by a change in solution • - participate in a chemical reaction

DemoZZZ1 2020-08-15

DemoZZZ1 crossword puzzle
Across
  1. a solid having a highly regular atomic structure
  2. material produced by changes in atoms or molecules
  3. purifying a liquid by boiling it and condensing its vapors
  4. a substance formed by chemical union of two or more elements
  5. a chemical element or alloy that is usually a shiny solid
  6. plant an industrial plant where chemicals are produced
  7. oil a dark oil consisting mainly of hydrocarbons
  8. radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
  9. the process whereby fluids pass through a filter or a filtering medium
Down
  1. the act or means of getting rid of something
  2. of or relating to commercial enterprise
  3. engineering the branch of engineering that is concerned with the design and construction and operation of the plants and machinery
  4. an artifact made of clay baked at a high temperature
  5. fuel fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
  6. energy derived from the heat in the interior of the earth
  7. atom with same atomic number, different number of neutrons
  8. a reaction of a substance with oxygen to give heat and light
  9. reaction in which nuclei combine to form more massive nuclei
  10. a substance that cannot be separated into simpler substances

19 Clues: of or relating to commercial enterprise • the act or means of getting rid of something • a solid having a highly regular atomic structure • oil a dark oil consisting mainly of hydrocarbons • material produced by changes in atoms or molecules • an artifact made of clay baked at a high temperature • plant an industrial plant where chemicals are produced • ...

Unit 2 2024-12-16

Unit 2 crossword puzzle
Across
  1. Process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
  2. The surface or material on or from which an organism lives, grows, or obtains its nourishment.
  3. The complete transfer of valence electron(s) between atoms.
  4. Attraction and repulsions between atoms, molecules, as well as other intermolecular forces
  5. The smallest part of a substance that cannot be broken down chemically
  6. Any atom or group of atoms that bears one or more positive or negative electrical charges.
  7. Contains protons, neutrons, and electrons.
  8. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
  9. A subatomic particle that is found in all atoms with no charge.
  10. Molecule that has a charge on one side, that is not cancelled out.
  11. The structure in a cell that contains the chromosomes.
  12. A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  13. Atoms with the same number of protons but different numbers of neutrons
Down
  1. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. The energy barrier that must be surmounted for a chemical reaction to occur.
  3. A substance that takes part in and undergoes change during a reaction.
  4. A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  5. A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
  6. The minimum energy required for a reaction to occur.
  7. An enzyme that is responsible for oxidizing ethanol and converting it into (NADH)
  8. These molecules are bonded together by a shared pair of electrons, which forms the strong covalent bond.
  9. A region on an enzyme that binds to a protein or other substance during a reaction.
  10. The liquid in which a solute is dissolved to form a solution.
  11. An enzyme which breaks down proteins and peptides.
  12. The minor component in a solution, dissolved in the solvent.
  13. A substance made from two or more different elements that have been chemically joined
  14. An enzyme, found chiefly in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.
  15. A liquid mixture in which the minor component is uniformly distributed within the major component
  16. A measure of how acidic or basic a substance or solution is
  17. An enzyme that breaks down fatty acids
  18. End substances after a biological process has occurred

31 Clues: An enzyme that breaks down fatty acids • Contains protons, neutrons, and electrons. • An enzyme which breaks down proteins and peptides. • The minimum energy required for a reaction to occur. • The structure in a cell that contains the chromosomes. • End substances after a biological process has occurred • The complete transfer of valence electron(s) between atoms. • ...

Lemings - chemistry 2019-10-17

Lemings - chemistry crossword puzzle
Across
  1. a mathematical relationship or rule expressed in symbols
  2. my favorite teacher
  3. mass of an atom
  4. a substance that can no longer be broken down into smaller pieces
  5. a subatomic particle of about the same mass as a proton but without an electric charge
  6. a characteristic of a substance that may be observed when it participates in a chemical reaction
  7. atoms bonded together
  8. the smallest part of any atom
  9. reaction where clouds or jelly or solid form
  10. mixture is not the same
  11. the minor component in a solution
Down
  1. mixture is the same
  2. what we end with
  3. material does change
  4. a stable subatomic particle with a charge of negative electricit
  5. materials mixed together
  6. material doesnt not change
  7. a chemist who created the periodic table of elements
  8. can be observed or measured without changing the composition of matter
  9. a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
  10. able to dissolve in other substances
  11. materials we start with
  12. a stable subatomic particle occurring in all atomic nuclei

23 Clues: mass of an atom • what we end with • mixture is the same • my favorite teacher • material does change • atoms bonded together • materials we start with • mixture is not the same • materials mixed together • material doesnt not change • the smallest part of any atom • the minor component in a solution • able to dissolve in other substances • reaction where clouds or jelly or solid form • ...

Techniques in Molecular Biology 2019-08-31

Techniques in Molecular Biology crossword puzzle
Across
  1. Short oligonucleotides use for hybridization technique.
  2. Solvent used to precipitate DNA from crude extract.
  3. Molecule which have high affinity for Avidin.
  4. Polymerase enzyme used for PCR reaction.
  5. The amplified products of PCR reaction.
  6. Chemical use for cleavage of DNA after modification for sequecing of DNA by chemical cleavage method.
  7. DNA sequencing method based on sequencing by synthesis.
  8. Enzyme used to digest the cell wall of bacteria for isolation of plasmid DNA.
  9. an In-situ hybridization technique.
  10. The process of binding of primer to the denatured strand.
Down
  1. Non-ionic detergent that can precipitate Nucleic acids.
  2. Protein denaturant.
  3. Gel use for separation of DNA using electrophoresis.
  4. Blotting technique used to identify a DNA.
  5. The purines and pyrimidines bases in DNA absorb light in the _____ region of the light spectrum.
  6. Technique use for detection of Radioactively labelled DNA.
  7. An ATPase that catalyzes the conversion of luciferin to oxyluciferin
  8. Technique which measures Genetic relatedness between two species using their DNA.
  9. Step in PCR in which new nucleotides are added to the primer
  10. Fluorophore used for labeling of primer.

20 Clues: Protein denaturant. • an In-situ hybridization technique. • The amplified products of PCR reaction. • Polymerase enzyme used for PCR reaction. • Fluorophore used for labeling of primer. • Blotting technique used to identify a DNA. • Molecule which have high affinity for Avidin. • Solvent used to precipitate DNA from crude extract. • ...

Biology Quest Review 2019-11-25

Biology Quest Review crossword puzzle
Across
  1. where photosynthesis occurs in a plant
  2. H2O reactant for photosynthesis and product of respiration
  3. produced in alcoholic fermentation, makes bread rise
  4. the first step of respiration, doesn't need oxygen
  5. the last step of respiration
  6. where respiration occurs in a cell
  7. produced in lactic acid fermentation, makes your muscles hurt
  8. not requiring oxygen
  9. stands for adenosine triphosphate, is energy for a cell
  10. reactant of photosynthesis and product of respiration
  11. used to produce ATP and specifically NAD+ when oxygen is not present
Down
  1. happens in the thylakoids, gives us oxygen
  2. the second step of respiration
  3. the thin pancakes in the chloroplasts
  4. product of photosynthesis reactant for respiration
  5. the process by which plants make food
  6. chains of chemical enzyme reactions that take place in cells
  7. requiring oxygen
  8. the process plants and animals use to make ATP energy
  9. aka light-independent reaction makes glucose
  10. chemical formula O2 product for photosynthesis reactant of respiration
  11. the area of the chloroplast surrounding the thylakoids and grana

22 Clues: requiring oxygen • not requiring oxygen • the last step of respiration • the second step of respiration • where respiration occurs in a cell • the thin pancakes in the chloroplasts • the process by which plants make food • where photosynthesis occurs in a plant • happens in the thylakoids, gives us oxygen • aka light-independent reaction makes glucose • ...

chemical reactions 2023-05-16

chemical reactions crossword puzzle
Across
  1. positive charge atom
  2. solid space that is tooken up from this molecule
  3. fluid/liquid chnages into a solid through low temperatures
  4. the static electricity in a molecule
  5. a atom has how many topics 1st one is carbon
  6. represented as the symbol O in atoms and molecules
  7. combinations of atoms
  8. when the color changes in a object what change is it going through
  9. Cl2
  10. molecule number 6
  11. has clorine and sodium
  12. something that looks different when going through a change
  13. flows under pressure and is really flexible
Down
  1. force per unit
  2. amount of energy a molecule has to return physicl properties
  3. solid converts to liquid
  4. symbol for zn
  5. matter and mass cant be created or destroyed
  6. a chemical reaction can do what
  7. shape mass of a object
  8. the equation in a chemical reaction
  9. base of molecule
  10. ammount of force needed to take apart parts of the atoms bonded
  11. h20
  12. what you do after you make your data
  13. how many protons are in carbon

26 Clues: h20 • Cl2 • symbol for zn • force per unit • base of molecule • molecule number 6 • positive charge atom • combinations of atoms • shape mass of a object • has clorine and sodium • solid converts to liquid • how many protons are in carbon • a chemical reaction can do what • the equation in a chemical reaction • the static electricity in a molecule • what you do after you make your data • ...

Chemistry study guide 2016-02-11

Chemistry study guide crossword puzzle
Across
  1. thin pieces of metal
  2. smallest part of an element
  3. made of atoms of one kind and can't be separated by chemical reaction
  4. weight of substance
  5. atomic particles in the nucleus of an atom and carries no change
  6. horizontal row on the periodic table
  7. mix of metal and nonmetal
  8. electrons in outer most orbital
  9. atomic particles in the nucleus of an atom and carries a negative charge
  10. atomic particles found in the nucleus of an atom and carries a positive charge
  11. small amount of something
  12. ring or shell
  13. shiny good conductor of heat and electricity
Down
  1. rare gas include helium or neon or argon
  2. center part of an atom made up of protons or neutrons
  3. can't be distorted by a chemical reaction
  4. number of characteristics of element that represents number of proton in the nucleus
  5. absorbed heat
  6. formed with heat
  7. changed when combined with another substance
  8. letter of up to two to sort out the elements
  9. row that goes up and down
  10. brittle not thin or flat can be a liquid
  11. form something with two substances

24 Clues: absorbed heat • ring or shell • formed with heat • weight of substance • thin pieces of metal • mix of metal and nonmetal • row that goes up and down • small amount of something • smallest part of an element • electrons in outer most orbital • form something with two substances • horizontal row on the periodic table • rare gas include helium or neon or argon • ...

Chemistry Unit Study Guide 2016-02-10

Chemistry Unit Study Guide crossword puzzle
Across
  1. no charge
  2. negative charge
  3. shiny,hard,malleable and ductile
  4. created periodic table
  5. compound that are formed when a reaction goes to completion
  6. element whose properties are intermediate between those of metals and solid non-metals
  7. basic unit of a chemical element
  8. states mass in an isolated system is neither created, nor destroyed by chemical reactions of physical transformation
  9. energy absorbed/cold
  10. positive charge
  11. composed of two or more separate elements
  12. atomic weight I'd another name
  13. on periodic table
  14. energy released/hot
Down
  1. substance that is not a metal
  2. known as family
  3. element name on periodic table
  4. electrons in outermost orbital
  5. center of the atom built of protons and neutrons
  6. elements with the same number of electron shells arranged in same row
  7. helium,neon,argon,krypton,Xeon,radon are this.
  8. number of protons in nucleus of atom
  9. regions of space outside the nucleus of atom
  10. groups of atoms bonded together
  11. thin coating of gold, silver, or other metal
  12. substance consumed during the reaction to make products

26 Clues: no charge • negative charge • known as family • positive charge • on periodic table • energy released/hot • energy absorbed/cold • created periodic table • substance that is not a metal • element name on periodic table • electrons in outermost orbital • atomic weight I'd another name • groups of atoms bonded together • shiny,hard,malleable and ductile • basic unit of a chemical element • ...

Year 8 Key Words 2017-12-21

Year 8 Key Words crossword puzzle
Across
  1. two of these split off from the trachea
  2. cells that carry water around a plant
  3. the number and appearance of chromosomes
  4. when a hot fluid rises and a cold one sinks
  5. the unit of pressure
  6. part of the cell where respiration is carried out
  7. the opposite of repel
  8. when a species dies out
  9. the green pigment in plant leaves
  10. reaction in which a substance combines with oxygen
  11. pores that allow gases into leaves
  12. a disease when a person has an extra chromosome
  13. horizontal row in the periodic table
Down
  1. the change in a species over a long time period
  2. the unit of force
  3. measured in degrees celcius
  4. separating compounds using electricity
  5. what is made in a chemical reaction
  6. bones that protect the lungs
  7. chemical used to test for starch
  8. glucose molecules linked in a chain
  9. the smallest blood vessel
  10. put on soil to improve plant growth
  11. the mixture of gases around the Earth
  12. turns to show the direction of a magnetic field
  13. when a force tries to stretch something

26 Clues: the unit of force • the unit of pressure • the opposite of repel • when a species dies out • the smallest blood vessel • measured in degrees celcius • bones that protect the lungs • chemical used to test for starch • the green pigment in plant leaves • pores that allow gases into leaves • what is made in a chemical reaction • glucose molecules linked in a chain • ...

Photosynthesis Crossword 2024-09-27

Photosynthesis Crossword crossword puzzle
Across
  1. Combination of oxidation and reduction reactions
  2. what is missing Carbon Dioxide+energy+_____--> Oxygen+Glucose
  3. Absorbs photons from the sun
  4. Where are the photosystems located (2 words no space)
  5. first and second stages require this type of energy
  6. released as electrons move through ETC
  7. _____ cycle that takes place in the stroma
  8. what must be present within the stroma for the Calvin cycle to operate (2 words no space)
  9. provides immediate energy for cellular functions (begins with the letter B)
Down
  1. reaction where atoms/molecules loses electrons
  2. Energy from the sun is used to boost 2 _____
  3. chemical reaction when a compound is broken down by light
  4. Hydrogen ions are being pulled from the _____ to the lumen through a hydrogen pump
  5. redox reactions are used to release energy for the ______ (2 words no space)
  6. What color cant plants cant absorb
  7. ATP using the energy from hydrogen ions gradient is called
  8. needed to release muscle contractions
  9. G3P is used to make
  10. electron donor
  11. What type of energy are photons converted into

20 Clues: electron donor • G3P is used to make • Absorbs photons from the sun • What color cant plants cant absorb • needed to release muscle contractions • released as electrons move through ETC • _____ cycle that takes place in the stroma • Energy from the sun is used to boost 2 _____ • reaction where atoms/molecules loses electrons • What type of energy are photons converted into • ...

biology 2024-07-03

biology crossword puzzle
Across
  1. hormone that is produced in dangerous situations
  2. Secretes antibodies to protect the body from viruses
  3. enzyme produced in the mouth to catalyse starch
  4. iodine solution is used to test for this substance
  5. where the pollen grain lands on
  6. the green pigment in a plant that traps light
  7. tiny hair-like projections in the small intestine
  8. engulfs pathogens in the body (type of white blood cell)
  9. used to build complex structures and helps growth in body
  10. diffusion in water
Down
  1. blood vessel that carries oxygenated blood from the lungs to the heart (two words, use - in between)
  2. the loss of water vapour from a plant
  3. a stem in the plant that carries water
  4. carries oxygen in a red blood cell
  5. Where photosynthesis occurs
  6. a substance that speeds up a chemical reaction such as enzymes
  7. a chemical reaction used to make energy (uses glucose and oxygen hint hint)
  8. fertilised egg (starts with z)
  9. cell division from a parent cell to two daughter cells
  10. a muscle that contracts and relaxes, increasing and decreasing the volume of the lungs

20 Clues: diffusion in water • Where photosynthesis occurs • fertilised egg (starts with z) • where the pollen grain lands on • carries oxygen in a red blood cell • the loss of water vapour from a plant • a stem in the plant that carries water • the green pigment in a plant that traps light • enzyme produced in the mouth to catalyse starch • ...

science vocab crossword 2023-12-18

science vocab crossword crossword puzzle
Across
  1. when a substance disintegrates, breaks down or disperses
  2. incapable of being dissolved
  3. how compact a substance is
  4. a substance at the end of a chemical reaction
Down
  1. capability of being set on fire
  2. a compound of two or more substances that are not chemically bonded
  3. ability to be dissolved
  4. able to be dissolved, especially in water
  5. a substance that goes into a chemical reaction

9 Clues: ability to be dissolved • how compact a substance is • incapable of being dissolved • capability of being set on fire • able to be dissolved, especially in water • a substance at the end of a chemical reaction • a substance that goes into a chemical reaction • when a substance disintegrates, breaks down or disperses • ...

chemistry 2024-07-04

chemistry crossword puzzle
Across
  1. oxygen is added to a chemical in a reaction
  2. made up of more than one type of element or compound
  3. water turning into ice
  4. scientific word for burning
  5. smallest part of any substance
  6. made up of 1 type of atom
Down
  1. breaking down a substance using heat
  2. heat entering a reaction-feels colder
  3. made up of 2 or more types of atoms joined together by chemical bonds

9 Clues: water turning into ice • made up of 1 type of atom • scientific word for burning • smallest part of any substance • breaking down a substance using heat • heat entering a reaction-feels colder • oxygen is added to a chemical in a reaction • made up of more than one type of element or compound • made up of 2 or more types of atoms joined together by chemical bonds

Epipen Crossword 2024-10-12

Epipen Crossword crossword puzzle
Across
  1. A condition in which the immune system reacts to a harmless substance.
  2. When a part of the body becomes larger than usual due to fluid buildup, often caused by an allergic reaction.
  3. A device used to inject medicine during a severe allergic reaction.
  4. A substance that can cause an allergic reaction.
  5. A serious, life-threatening allergic reaction that requires immediate treatment.
  6. The type of situation when an EpiPen should be used
Down
  1. A chemical in the body that is released during allergic reactions, causing symptoms like swelling and itching.
  2. Raised, itchy bumps that appear on the skin during an allergic reaction.
  3. EpiPens affect these to help reverse the symptoms of an allergic reaction.
  4. The part of the body that can become blocked during an allergic reaction, making it hard to breathe.
  5. The part of the body where an EpiPen should be injected.
  6. The process of delivering medicine into the body using a needle.

12 Clues: A substance that can cause an allergic reaction. • The type of situation when an EpiPen should be used • The part of the body where an EpiPen should be injected. • The process of delivering medicine into the body using a needle. • A device used to inject medicine during a severe allergic reaction. • ...

phys sci 2025-11-17

phys sci crossword puzzle
Across
  1. the energy stored in chemical bonds (measured in kilojoules)
  2. a Measurement unit that = 6.02x102 particles
  3. a reaction that gives off heat to its surroundings.
  4. a reaction where 2 compounds exchange components making new compounds AB + CD -> AD + CB
  5. A reaction where 2 or more elements form a new compound A + B -> AB
Down
  1. A reaction where a compound is broken down into its component elements AB -> A + B
  2. a reaction where a compound and element join to form a different compound & element AB + C -> AC + B
  3. the molar mass is the AMU number with the unit grams (Measure the mass of I mole of molecules)
  4. compound a compound made of 2 elements
  5. (burning) rapid reaction that uses Oxygen to create heat & light.
  6. a reaction that absorbs heat from its surroundings.
  7. a unit = to the e mass o Measure Atomic mass) of I proton. (used to

12 Clues: compound a compound made of 2 elements • a Measurement unit that = 6.02x102 particles • a reaction that gives off heat to its surroundings. • a reaction that absorbs heat from its surroundings. • the energy stored in chemical bonds (measured in kilojoules) • (burning) rapid reaction that uses Oxygen to create heat & light. • ...

Chapter 12 2021-02-11

Chapter 12 crossword puzzle
Across
  1. The branch of ________ that applies to substances that contain carbon is called organic chemistry.
  2. Chemically combining _________ or more atoms produces a molecule.
  3. A _______ physical mixture of two or mixture substances is a solution.
  4. _________ and alcohol are examples of miscible liquids.
  5. The simplest form of__________matter that cannot be broken down without the loss of identity is an element.
  6. _________ contains many substances, including nitrogen, carbon dioxide, and water vapor, and is an example of a physical mixture.
  7. Most inorganic substances do not burn because they do not contain _________.
  8. A common volatile organic __________ used in hair spray is Ethyl alcohol.
  9. All _______ has physical and chemical properties and exists in the form of a solid, gas, and liquid.
  10. Sodium chloride is table ___________.
  11. Chemical reaction that are characterized by or formed by giving off ________ are exothermic.
  12. ___________ with a positive electrical charge are considered to be cation.
  13. An _________ physical mixture of two or more immiscible substances is a emulsion.
  14. There are ______ naturally occurring elements, each with its own distinct physical and chemical properties.
  15. Change in the form of a substance that does not cause a chemical ___________ is a physical change.
  16. Liquids that can be _________ together to form stable solutions are miscible.
  17. A solution with a ________________value of 7 indicates a Neutral Solution.
Down
  1. A ___________ , colorless, oily substance that is used as a moisturizer in skin and body creams is Glycerin.
  2. All haircolor products are ___________ chemicals.
  3. _______________ cream is an example of an water-in-oil emulsion.
  4. Elements differ from one another because the difference in the ________ of their atoms.
  5. As example of an ___________compound that is used to perform chemical services in a salon is Ammonium hydroxide.
  6. The chemical combination of two or more _________ of different elements produces a compound.
  7. Substances that allows _______and water to mix, or emulsify, are surfactants.
  8. Substances used to neutralize ____________ or raise the pH of many hair products are Alkanolamines.
  9. People begun making _________ about 4,500 years ago by boiling oil or animal fat with wood ashes.
  10. The oxidation of hair color is an example of a __________ change.
  11. A substance, usually _______ , that dissolves another substance to form a solution is a solvent.
  12. An atom or molecule that carries an _____________ charge is a ion.
  13. A chemical combination of matter in definite (fixed) proportions is a ________ substances.

30 Clues: Sodium chloride is table ___________. • All haircolor products are ___________ chemicals. • _________ and alcohol are examples of miscible liquids. • _______________ cream is an example of an water-in-oil emulsion. • Chemically combining _________ or more atoms produces a molecule. • The oxidation of hair color is an example of a __________ change. • ...

CHEMISTRY CROSSWORD 2016-06-08

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. something that can be dissolved
  2. a substance with particular chemical properties
  3. requiring the absorption of heat.
  4. The substances that result from this recombination of atoms are called the products of the reaction.
  5. physical matter of which a person or thing consists and which has a tangible, solid presence.
  6. A measure of how much matter is in an object.
  7. When a substance (or a few substances) change into another substance.
  8. In physics, the ability to do work
  9. liquid mixture
  10. the chemical element of atomic number 11
Down
  1. Table a table of the chemical elements arranged in order of atomic number, usually in rows.
  2. relating to an atom or atoms.
  3. about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  4. the release of heat.
  5. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
  6. Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
  7. n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.

17 Clues: liquid mixture • the release of heat. • relating to an atom or atoms. • something that can be dissolved • requiring the absorption of heat. • In physics, the ability to do work • the chemical element of atomic number 11 • A measure of how much matter is in an object. • a substance with particular chemical properties • ...

Stoichiometry Vocab Review 2022-05-19

Stoichiometry Vocab Review crossword puzzle
Across
  1. 6.022 x 10²³ of particles (atoms, ions, molecules)
  2. A way to represent a compound that indicates the elements present in the compound and the relative number of atoms of each element
  3. The initial substances in a chemical reaction (represented on the left side of the chemical equation)
  4. A chemical equation in which the number of each type of atom on both sides of the equation are equal
Down
  1. Representation of a chemical reaction
  2. The final substances produced in a chemical reaction (represented on the right side of the chemical equation)
  3. The mass of one mole of an element or one mole of a compound. Numerically equivalent to the element's atomic mass in amu.

7 Clues: Representation of a chemical reaction • 6.022 x 10²³ of particles (atoms, ions, molecules) • A chemical equation in which the number of each type of atom on both sides of the equation are equal • The initial substances in a chemical reaction (represented on the left side of the chemical equation) • ...

Mya Gilmore Chapter 13 2019-02-26

Mya Gilmore Chapter 13 crossword puzzle
Across
  1. The ____ of reaction is dependent on the collisions among molecules.
  2. Bond Energy is also known as ______ ____.
  3. _____ must be moving fast enough to overcome the energy of activation.
  4. When reaction and it's reverse act at the same rate.
Down
  1. The _____ ___ is how quickly the concentration of reactants decreases or increases.
  2. ____ is a substance that lowers the activation energy of a chemical reaction.
  3. In an _________ reaction there is a net absorption of energy.
  4. In an _______ reaction there is a net release of energy.
  5. Is soap acidic or basic?
  6. Law of ___ conservation: No atom are gained or lost during a reaction.

10 Clues: Is soap acidic or basic? • Bond Energy is also known as ______ ____. • When reaction and it's reverse act at the same rate. • In an _______ reaction there is a net release of energy. • In an _________ reaction there is a net absorption of energy. • The ____ of reaction is dependent on the collisions among molecules. • ...

Lilly Herr - Chapter 13 2021-03-04

Lilly Herr - Chapter 13 crossword puzzle
Across
  1. reaction rates are affected by (Co).
  2. reaction rates are affected by (T).
  3. the amount of energy required to pull two bonded atoms apart.
  4. in an ____ reaction there is a net absorption of energy.
Down
  1. is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  2. no atoms are gained or lost during any reaction is the Law of Mass ________.
  3. when water behaves as a base, it gains.
  4. in an ____ reaction there is a net release of energy.
  5. acids _____ protons, bases accept them.
  6. is a substance that lowers the activation energy of a chemical reaction.

10 Clues: reaction rates are affected by (T). • reaction rates are affected by (Co). • when water behaves as a base, it gains. • acids _____ protons, bases accept them. • in an ____ reaction there is a net release of energy. • in an ____ reaction there is a net absorption of energy. • the amount of energy required to pull two bonded atoms apart. • ...

chemical reaxctions 2025-09-25

chemical reaxctions crossword puzzle
Across
  1. The new substances formed include carbon dioxide, water, and _________.
  2. The reaction between vinegar and baking soda is a type of _________ reaction (neutralization/oxidation)
  3. Vinegar is an example of a _________ (acid/base).
  4. This reaction is an example of an _________ reaction.
Down
  1. The vinegar and baking soda reaction absorbs a little heat, so it is _________ (endothermic/exothermic).
  2. Baking soda is a type of _________ (acid/base).
  3. The chemical name of baking soda is _________.
  4. The main visible evidence of the reaction is _________.
  5. When vinegar and baking soda mix, they produce a gas called _________.
  6. The fizzing and bubbling are caused by the release of _________.
  7. The formula CO₂ is _________.

11 Clues: The formula CO₂ is _________. • The chemical name of baking soda is _________. • Baking soda is a type of _________ (acid/base). • Vinegar is an example of a _________ (acid/base). • This reaction is an example of an _________ reaction. • The main visible evidence of the reaction is _________. • The fizzing and bubbling are caused by the release of _________. • ...

Chemicaly Science 2017-10-13

Chemicaly Science crossword puzzle
Across
  1. What type of chemical equation is this ? AB>>A+B.
  2. What type of chemical equation is this ? AB+CD>>AD+CB.
  3. What type of chemical equation is this ? A+B>>AB.
Down
  1. What type of chemical equation is this ? AB+BC>>AC+B.
  2. Where one or more new compounds are formed as a result of the rearrangement.
  3. How quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  4. A substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate.
  5. AB+oxygen>>oxides of A&B.
  6. The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when they are brought together.
  7. A measure of the concentration of hydronuim irons,H3 O

10 Clues: AB+oxygen>>oxides of A&B. • What type of chemical equation is this ? AB>>A+B. • What type of chemical equation is this ? A+B>>AB. • What type of chemical equation is this ? AB+BC>>AC+B. • What type of chemical equation is this ? AB+CD>>AD+CB. • A measure of the concentration of hydronuim irons,H3 O • ...

Perf 10 Reactions 2023-02-28

Perf 10 Reactions crossword puzzle
Across
  1. A material that causes a reaction to happen faster
  2. The molecules formed from a reaction (right of the arrow)
  3. A material that causes a reaction to happen slower
  4. Two or more atoms or molecules bonding to form new molecules
  5. A reaction that combines two or more atoms to a more complex form
Down
  1. A way of writing out chemical reactions
  2. A reaction that breaks down a molecule to its simpler form
  3. The large number that shows how many of an atom or molecule there are in a reaction
  4. A reaction that replaces two or more atoms from the reactant (simple or complex)
  5. The molecules or atoms that bond in a reaction (left of the arrow)

10 Clues: A way of writing out chemical reactions • A material that causes a reaction to happen faster • A material that causes a reaction to happen slower • The molecules formed from a reaction (right of the arrow) • A reaction that breaks down a molecule to its simpler form • Two or more atoms or molecules bonding to form new molecules • ...

Weathering, Erosion and Deposition 2023-10-02

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

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

chemicals 2023-08-21

chemicals crossword puzzle
Across
  1. a nuclear accident may cause .... of the surrounding area
  2. the kind of industry which produces medicines
  3. a natural or chemical material used by farmers to help grow crops
  4. the release of a gas
  5. mixing chemicals may cause a chemical ......
  6. a chemical found in diamonds and coal
  7. the chemicals added to food are called food ....
Down
  1. chemicals used to kill unwanted insects
  2. a household chemical product used to kill bacteria
  3. a form of energy from nuclear power which is dangerous to humans and animals
  4. an increase of gases in the atmosphere leading to global warming
  5. the opposite of organic
  6. a way of describing material with particular physical characteristics
  7. plants ..... water through their roots
  8. another word for poisonous

15 Clues: the release of a gas • the opposite of organic • another word for poisonous • a chemical found in diamonds and coal • plants ..... water through their roots • chemicals used to kill unwanted insects • mixing chemicals may cause a chemical ...... • the kind of industry which produces medicines • the chemicals added to food are called food .... • ...

Cosmetology | Monica Slabaugh 2025-09-03

Cosmetology | Monica Slabaugh crossword puzzle
Across
  1. The study of the properties of matter and how matter changes
  2. liquid mixture that occurs when hydrogen ions are released when combined with water
  3. not forming a homogeneous mixture when added together
  4. tending to combine with or dissolve in lipids or fats.
  5. a chemical reaction that releases energy by light or heat
  6. cancer causing
  7. able to catch fire easily
  8. forming a homogeneous mixture when added together
Down
  1. having a tendency to mix with, dissolve in, or be wetted by water.
  2. A solution that has a pH above 7.0 (neutral)
  3. any chemical reaction that absorbs heat from its environment
  4. capable of catching fire or burning

12 Clues: cancer causing • able to catch fire easily • capable of catching fire or burning • A solution that has a pH above 7.0 (neutral) • forming a homogeneous mixture when added together • not forming a homogeneous mixture when added together • tending to combine with or dissolve in lipids or fats. • a chemical reaction that releases energy by light or heat • ...

Section 4: Energy and Matter 2021-11-24

Section 4: Energy and Matter crossword puzzle
Across
  1. The ability of matter to produce work is:
  2. When a physical or chemical change occurs, the energy changes its phase and its
  3. The microwave is an example of:_____ energy
  4. Chemical energy is contained in
  5. A child on a slide is an example of:_____energy
  6. when a chemical reaction occurs the energy is
Down
  1. The ways in which energy manifests itself are called:
  2. name one of the most important examples of chemical energy
  3. A circuit is:____ energy
  4. Energy can:
  5. A person walking is an example of: ______energy
  6. Electromagnetic energy travels through

12 Clues: Energy can: • A circuit is:____ energy • Chemical energy is contained in • Electromagnetic energy travels through • The ability of matter to produce work is: • The microwave is an example of:_____ energy • when a chemical reaction occurs the energy is • A person walking is an example of: ______energy • A child on a slide is an example of:_____energy • ...

rock cycle 2021-03-01

rock cycle crossword puzzle
Across
  1. compaction and cementation?
  2. how rocks are laid down?
  3. how rocks are broke down?
  4. heat and pressure?
  5. the breakdown of rock caused by a chemical reaction
  6. melting
Down
  1. how rocks move
  2. cooling
  3. the breakdown of rock without changing their composition
  4. cycle how rocks are formed?
  5. and crystallization two processes creating igneous
  6. magma that reaches the earth's surface

12 Clues: cooling • melting • how rocks move • heat and pressure? • how rocks are laid down? • how rocks are broke down? • compaction and cementation? • cycle how rocks are formed? • magma that reaches the earth's surface • and crystallization two processes creating igneous • the breakdown of rock caused by a chemical reaction • the breakdown of rock without changing their composition

Penang Port 2025-02-23

Penang Port crossword puzzle
Across
  1. OH- ion ionised completely in water
  2. table that contain all elements
  3. chemical bond between non-metal and non-metal
  4. energy that bring things closer/farther
  5. bond sea of electron
  6. positive subatomic
Down
  1. negative subatomic
  2. H+ ion ionised completely in water
  3. outermost electron
  4. chemical bond between metal and non-metal
  5. smallest matter
  6. substance that speeds up reaction

12 Clues: smallest matter • negative subatomic • outermost electron • positive subatomic • bond sea of electron • table that contain all elements • substance that speeds up reaction • H+ ion ionised completely in water • OH- ion ionised completely in water • energy that bring things closer/farther • chemical bond between metal and non-metal • chemical bond between non-metal and non-metal

Chemistry Bubble 2014-11-13

Chemistry Bubble crossword puzzle
Across
  1. This applies to predictions of future events, to physical measurements that are already made, or to the unknown. Uncertainty arises in partially observable and/or stochastic environments, as well as due to ignorance and/or indolence.
  2. It is the analysis of the relationships between different physical quantities by identifying their fundamental dimensions (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms vs. grams) and tracking these dimensions as calculations or comparisons are performed.
  3. A ____________ is a substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs.
  4. ____________ is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself.
  5. _______________ are the species formed from chemical reactions.
  6. This is the quantity of three-dimensional space enclosed by some closed boundary, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
  7. ____________ is based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
  8. These are those digits that carry meaning contributing to its precision.
  9. The person the mole is named after.
  10. This is a clear, colorless, highly pungent solution of hydrogen chloride in water. It is a highly corrosive, strong mineral acid with many industrial uses. It is found naturally in gastric acid.
  11. ___________ is a group of chemical elements with similar properties: under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  12. It is the calculation of relative quantities of reactants and products in chemical reactions.
  13. This is the very dense region consisting of protons and neutrons at the center of an atom.
  14. The thing we use to measure small things.
  15. _________ table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties.
  16. It is the smallest unit that defines the chemical elements and their isotopes.
  17. This is a subatomic particle with a negative elementary electric charge.
  18. _________ mass (M) is a physical property. It is defined as the mass of a given substance (chemical element or chemical compound) divided by its amount of substance. The base SI unit is kg/mol. However, for historical reasons, are almost always expressed in g/mol.
Down
  1. It is a chemical element. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds (notably oxides) with most elements.
  2. ___________ is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.
  3. The _________ metals are a group (column) in the periodic table that take a +1 charge (+1 oxidation state.)
  4. It is an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom a net positive or negative electrical charge.
  5. Name this(HNO3).
  6. It is a subatomic particle with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron.
  7. The international system of units, abbreviated __________, from French: Le Système International d'Unités) is the modern form of the metric system and is the world's most widely used system of measurement, used in both everyday commerce and science.
  8. ____________ molecules are molecules composed of only two atoms.
  9. It is the degree of closeness of measurements of a quantity to that quantity's actual (true) value.
  10. Percent __________ is a special case of the percentage form of relative change calculated from the absolute change between the experimental (measured) and theoretical (accepted) values, and dividing by the theoretical (accepted) value.
  11. One mole of an ideal gas has a volume of 22.7 L at _______.
  12. What you have when two or more of any elements are joined together chemically.
  13. This is the degree to which repeated measurements under unchanged conditions show the same results.
  14. The _______ bond is type of chemical bond that involves the electrostatic attraction between oppositely charged ions.
  15. In chemistry,__________ , also referred to as reaction __________, is the amount of product obtained in a chemical reaction.
  16. ___________ weight(GFM) refers to the mass of a molecule. It is calculated as the sum of the mass of each constituent atom multiplied by the number of atoms of that element.
  17. It is found at group 11 period 4.
  18. He theorized that atoms have their charge Rutherford concentrated in a very small nucleus.
  19. ___________ are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
  20. ____________ is a polyatomic anion with the empirical formula SO4(2−).
  21. The __________ bond is a chemical bond that involves the sharing of electron pairs between atoms.
  22. __________ reaction is a process that leads to the transformation of one set of chemical substances to another.
  23. The law of conservation of ________ , or principle of _______ conservation, states that for any system closed to all transfers of matter and energy (both of which have _______), the _______ of the system must remain constant over time, as system _______ cannot change quantity if it is not added or removed. (All 5 blanks are the same word.)

41 Clues: Name this(HNO3). • It is found at group 11 period 4. • The person the mole is named after. • The thing we use to measure small things. • One mole of an ideal gas has a volume of 22.7 L at _______. • _______________ are the species formed from chemical reactions. • ____________ molecules are molecules composed of only two atoms. • ...

Science Vocabulary Crossword 2017-11-30

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

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

Cross word puzzle 2017-11-14

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

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

Chemistry B CrossWord Puzzle 2019-02-27

Chemistry B CrossWord Puzzle crossword puzzle
Across
  1. Potential difference between two electrodes; a measure of the chemical potential for a redox reaction to occur.
  2. The basic units of matter. (proton/neutron/electron)
  3. The smallest of the particles that make up an atom. (negative charge)
  4. A chemical property referring to the ability for given substance, the solute, to dissolve in a solvent.
  5. The ability or power to conduct or transmit heat, electricity, or sound.
  6. A substance formed when two or more chemical elements are chemically bonded together.
  7. The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
  8. A column of elements in the periodic table of the chemical elements.
  9. A chemical element that is an effective conductor of electricity and heat.
  10. Contains two or more substances that are not chemically combined.
  11. A homogeneous mixture of two or more substances. (may exist in any phase)
  12. A state of matter characterized by particles arranged such that their shape and volume are relatively stable.
  13. A movement of positive/negative electric particles (such as electrons) accompanied by such observable effects as the production of heat, of magnetic field, or of chemical transformations.
  14. The name given to a horizontal row of the periodic table.
Down
  1. A subatomic particle found in the nucleus of every atom. (positive charge)
  2. A subatomic particle found in the nucleus of every atom. (neutral charge)
  3. A state of matter consisting of particles that have neither a definite volume or definite shape.
  4. An element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
  5. The opposition that a substance offers to the flow of electric current.
  6. A characteristic of an atom that is a measure of its size.
  7. Refers to the way in which atoms bond with each other. (chemical bonding)
  8. An element that doesn’t have the characteristics of metal including: ability to conduct heat or electricity, luster or flexibility.
  9. A material or an object that does not easily allow heat, electricity, light, or sound to pass through it.
  10. A state of matter that is free to flow. While it has volume, it does not have a definite shape.
  11. A substance whose atoms all have the same number of protons.

25 Clues: The basic units of matter. (proton/neutron/electron) • The name given to a horizontal row of the periodic table. • A characteristic of an atom that is a measure of its size. • A substance whose atoms all have the same number of protons. • Contains two or more substances that are not chemically combined. • ...

Textbook Trivia 2024-09-27

Textbook Trivia crossword puzzle
Across
  1. Conduct, Convect, Radiate
  2. Never forget Fluid mechanics
  3. Unit Operations is my game
  4. Diffuse, Absorb,Dry
  5. J. M. Smith., H. C. Van Ness., M. M. Abbott
  6. Hand me my ChemE handbook
Down
  1. Balance thy materials
  2. Controls Chemical Engineers
  3. Chemical Process Technology
  4. Reaction Engineering to the rescue
  5. Transport is phenomenal!

11 Clues: Diffuse, Absorb,Dry • Balance thy materials • Transport is phenomenal! • Conduct, Convect, Radiate • Hand me my ChemE handbook • Unit Operations is my game • Controls Chemical Engineers • Chemical Process Technology • Never forget Fluid mechanics • Reaction Engineering to the rescue • J. M. Smith., H. C. Van Ness., M. M. Abbott

CR & P 2022-11-04

CR & P crossword puzzle
Across
  1. where photosynthesis occurs
  2. the main type of sugar in the blood and is the major source of energy for the body's cells
  3. the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
  4. an important “energy molecule” found in all life forms.
  5. membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions
  6. A chemical process in which oxygen is used to make energy from carbohydrates
Down
  1. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
  2. a group of green pigments used by organisms that convert sunlight into energy via photosynthesis
  3. a colorless and non-flammable gas at normal temperature and pressure.
  4. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
  5. an organism that eats other plants or animals for energy and nutrients
  6. the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment.
  7. A tiny pore in a plant leaf surrounded by a pair of guard cells that regulate its opening and closure, and serves as the site for gas exchange.
  8. a substance that is formed as the result of a chemical reaction
  9. a chemical element with an atomic number of 8
  10. a substance that enters into and is altered in the course of a chemical reaction.

16 Clues: where photosynthesis occurs • a chemical element with an atomic number of 8 • an important “energy molecule” found in all life forms. • a substance that is formed as the result of a chemical reaction • a colorless and non-flammable gas at normal temperature and pressure. • an organism that eats other plants or animals for energy and nutrients • ...

Chemistry Vocab Mini Puzzle #2 2025-01-12

Chemistry Vocab Mini Puzzle #2 crossword puzzle
Across
  1. property of pure substances that use the Mohs scale to describe its "strength".
  2. property of pure substances that is described as whether or not it will dissolve in another substance.
  3. the substance(s) present at the beginning of a chemical reaction.
  4. a chemical reaction that occurs in this type of system is not sealed and a change in mass can be observed.
Down
  1. property of pure substance that is described as the mass of an object divided by its volume.
  2. the substance(s) made as a result of a chemical reaction.
  3. a chemical reaction that occurs in this type of system is sealed and a change in mass will not be observed.

7 Clues: the substance(s) made as a result of a chemical reaction. • the substance(s) present at the beginning of a chemical reaction. • property of pure substances that use the Mohs scale to describe its "strength". • property of pure substance that is described as the mass of an object divided by its volume. • ...

OrgoChem Crossword 2022-01-26

OrgoChem Crossword crossword puzzle
Across
  1. the process of cleaving/breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species
  2. the simplest whole number ratio of atoms present in a compound
  3. a nucleophile is a chemical species that forms bonds with electrophiles by donating an electron pair
  4. An organic compound in which all the carbon atoms are connected by single bonds
  5. an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
  6. show the various electron pairs moving around (it’s wavy)
Down
  1. The configuration of six carbon atoms in these compounds is called a "benzene ring"
  2. show the movement of single electrons during the breaking of the bond
  3. also called homolysis
  4. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
  5. each of two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties
  6. an organic reaction where two or more molecules combine to form a larger one (the adduct)
  7. Aliphatic compounds are those hydrocarbons that are open chain compounds and also closed chains
  8. An atom or group of atoms which breaks away from the rest of the molecule
  9. a substance that takes part in and undergoes change during a reaction.

15 Clues: also called homolysis • show the various electron pairs moving around (it’s wavy) • the simplest whole number ratio of atoms present in a compound • show the movement of single electrons during the breaking of the bond • a substance that takes part in and undergoes change during a reaction. • ...

Chemical Reactions 2023-05-19

Chemical Reactions crossword puzzle
Across
  1. something that is made up of one type of atom or groups of atoms
  2. the reddish brown substance in the water
  3. ideas formed by thinking based on information
  4. an ending substance that is part of a chemical reaction
  5. a process where atoms rearrange to form new substances
  6. statement made based on evidence in answer to a question
  7. information gathered with the five senses
  8. science thinking that connects the evidence to the claim
Down
  1. matter cannot be created or destroyed
  2. data gathered from reliable sources or experiments
  3. something that can be observed about a substance
  4. the substance in the water that came from the farm
  5. a starting substance that is part of a chemical reaction
  6. nitrate the additional substance found in the pipes
  7. the substance the pipes were made out of
  8. tiny pieces of matter that make up everything

16 Clues: matter cannot be created or destroyed • the reddish brown substance in the water • the substance the pipes were made out of • information gathered with the five senses • ideas formed by thinking based on information • tiny pieces of matter that make up everything • something that can be observed about a substance • data gathered from reliable sources or experiments • ...

Vocabulary 2021-08-13

Vocabulary crossword puzzle
Across
  1. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration
  2. a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for
  3. a hierarchical series of organisms each dependent on the next as a source of food.
  4. energy that is transferred by electromagnetic radiation
  5. energy is just the force that causes things to move. Energy is divided into two types: potential and kinetic
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
Down
  1. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
  2. a biological community of interacting organisms and their physical environment.
  3. equiring complex organic compounds of nitrogen and carbon
  4. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
  5. is the potential of a chemical substance to undergo a chemical reaction to transform into other substances
  6. a plastid that contains chlorophyll and in which photosynthesis takes place.

12 Clues: energy that is transferred by electromagnetic radiation • equiring complex organic compounds of nitrogen and carbon • a plastid that contains chlorophyll and in which photosynthesis takes place. • a biological community of interacting organisms and their physical environment. • a hierarchical series of organisms each dependent on the next as a source of food. • ...

Chemistry Study Guide 2016-02-10

Chemistry Study Guide crossword puzzle
Across
  1. number that increase left to right
  2. column of elements
  3. a substance chemically can be used
  4. positive electric charge
  5. number of protons in nucleus of atom
  6. substance formed as a result of chemical reaction
  7. element whose properties are between metal and solid non-metals
  8. solid material, shiny, hard, electoral/thermal conductivity
  9. mass of one element at the beginning of a reaction will equal the mass of the element at the end
  10. group of atoms bonded together
  11. releases energy, heat
  12. absorbs energy, cool
  13. no electric charge
Down
  1. substance that takes part in/undoes changes in reactions
  2. letter(s) that represent the element
  3. mixture of 2 or more elements
  4. layer of something going over something
  5. patterns of electrons formed in an atom
  6. an element that is not a metal
  7. chemist, inventor, made periodic table
  8. number of protons and neutrons in an atom
  9. gasey elements
  10. neutral charge
  11. basic unit of a chemical element
  12. electrons in the outer most orbital
  13. positively charged center of the atom

26 Clues: gasey elements • neutral charge • column of elements • no electric charge • absorbs energy, cool • releases energy, heat • positive electric charge • mixture of 2 or more elements • an element that is not a metal • group of atoms bonded together • basic unit of a chemical element • number that increase left to right • a substance chemically can be used • ...

Foods Crossword 2017-01-23

Foods Crossword crossword puzzle
Across
  1. Organic acids in proteins
  2. iron bonding protein pigment in muscle
  3. bond with 2 amino acids
  4. Emission of energy as electromagnetic waves
  5. water repelling
  6. energy Energy in motion
  7. foods that contain all the indispensable amino acids
  8. Sterilizing food from bacteria
  9. type of permanent denaturation
  10. covalent bonds that form between 2 protein molecules
  11. process by which heat or electricity is transmitted through a substance
Down
  1. preservation Temperature and time required to eliminate microorganisms
  2. 1 nitrogen and 2 hydrogen bonded to a carbon
  3. amino acids that must be supplied by foods in the diet
  4. Movement caused within a fluid
  5. network of elastic protein strands
  6. chemical reaction that adds oxygen
  7. lacking one or more of the indispensable amino acids
  8. chemical reaction removes oxygen
  9. Food is scolded in hot water
  10. chain of multiple amino acids bound by peptide bonds
  11. by product of cheese
  12. exchange of thermal energy between two systems
  13. Process that kills microbes in food and drink
  14. hydrophobic proteins found in milk
  15. alcohol that has been dehyrdrogenaed

26 Clues: water repelling • by product of cheese • bond with 2 amino acids • energy Energy in motion • Organic acids in proteins • Food is scolded in hot water • Movement caused within a fluid • Sterilizing food from bacteria • type of permanent denaturation • chemical reaction removes oxygen • network of elastic protein strands • chemical reaction that adds oxygen • ...

Biology Unit 2 crossword puzzle 2022-09-27

Biology Unit 2 crossword puzzle crossword puzzle
Across
  1. Nutrient used in protein and nucleic acids
  2. Second step of Anaerobic respiration. 2 types, alcoholic and lactic.
  3. Nutrient, forms the backbone for all molecules
  4. type of organism that must eat other organism to obtain energy
  5. Describes a situation in which oxygen is present
  6. Nutrient, used in phosphate of nucleic acids and phospholipids of the membrane
  7. Substances at the beginning of a chemical reaction
  8. Sphere of earth, all living thing on earth
  9. Pigment in chloroplast, used to trap light energy during photosynthesis
  10. Organelle, site of photosynthesis
Down
  1. Substances created during chemical reaction
  2. Anything that has mass and takes up space
  3. Organelle, site of 2 and 3 o Aerobic cellular respiration
  4. Sphere of earth, all water of earth
  5. Sphere of earth, all gases surrounding earth
  6. First step of aerobic respiration. Breaks down glucose into pyruvate.
  7. process of using light to make glucose.
  8. Sphere of earth, all the soil and rocks on earth
  9. Type of organism that is able to make its own food
  10. Describes a situation in which oxygen is not present.

20 Clues: Organelle, site of photosynthesis • Sphere of earth, all water of earth • process of using light to make glucose. • Anything that has mass and takes up space • Nutrient used in protein and nucleic acids • Sphere of earth, all living thing on earth • Substances created during chemical reaction • Sphere of earth, all gases surrounding earth • ...

Science 2021-03-18

Science crossword puzzle
Across
  1. carbohydrate in saliva(amylase)
  2. an equipment used to magnify objects (microscope)
  3. part of a cell that contains instruction to make new cells (nucleus)
  4. part of a plant cell that carries out photosynthesis chloroplasts)
  5. make reactions in a cell occur at a faster rate (enzymes)
  6. a single celled organism (amoeba)
  7. chemical that speed up a reaction (catalysts)
  8. enzymes that break down fats (lipases)
  9. the net movements of particles from area of high to low concentration (diffusion)
  10. group of tissues working together (organ)
Down
  1. the process of breaking down food molecules in the gut (digestion)
  2. in plant and animal cells respiration takes place in these (mitochondria)
  3. when animal cells swell and burst because of no cell walls (haemolysis)
  4. part of cell that controls chemical reaction(cytoplasm)
  5. a substance that dissolves a solute(solvent)
  6. type of sugar extracted from beet and sugar cane (sucrose)
  7. found in cells to help make proteins(ribosomes)
  8. tiny building blocks of living organism (cell)
  9. membrane are ______permeable(partially)
  10. two solutions of the same strength (isotonic)

20 Clues: carbohydrate in saliva(amylase) • a single celled organism (amoeba) • enzymes that break down fats (lipases) • membrane are ______permeable(partially) • group of tissues working together (organ) • a substance that dissolves a solute(solvent) • chemical that speed up a reaction (catalysts) • two solutions of the same strength (isotonic) • ...

Photosynthesis 2023-02-25

Photosynthesis crossword puzzle
Across
  1. organisms that can produce their own food
  2. The cell where glucose is broken down
  3. Energy from light that is necessary
  4. A molecule that absorbs light and had color
  5. A set of chemical reactions that plants go through to reduce carbon dioxide
  6. The fluid that surrounds the grana in the chloroplast
  7. Produced from photosynthesis
  8. along with water and sunlight the third essential ingredient for photosynthesis
  9. the decomposition of molecules by the action of light
  10. flattened sacs inside the chloroplast
Down
  1. color of visible light for photosynthesis
  2. An organism that needs to consume other organisms for food
  3. Light energy is converted into this chemical energy
  4. A cell organelle in which photosynthesis takes place
  5. Necessary for photosynthesis along with sunlight and carbon dioxide
  6. The site for the light reaction of photosynthesis
  7. reaction in which energy is absorbed by chlorophyll in the thylakoid membrane
  8. Sugar that plants use to make energy
  9. A green pigment that absorbs light to provide energy
  10. A transport molecule that transports high energy electrons through the dark and light reactions

20 Clues: Produced from photosynthesis • Energy from light that is necessary • Sugar that plants use to make energy • The cell where glucose is broken down • flattened sacs inside the chloroplast • color of visible light for photosynthesis • organisms that can produce their own food • A molecule that absorbs light and had color • The site for the light reaction of photosynthesis • ...

Body Systems and Homeostasis 2023-03-01

Body Systems and Homeostasis crossword puzzle
Across
  1. type of digestion where food is broken down using enzymes
  2. system that breaks down food to be absorbed by the body
  3. when your brain controls your internal body temperature
  4. the internal framework of your body
  5. occurs in nature when the product of a reaction leads to the increase in that reaction
  6. an organ that produces hormones
  7. system of glands and organs
  8. condition that provides optimal functioning through balance
  9. system that pumps blood throughout your body
  10. system that contains your lungs
Down
  1. smallest type of blood vessel
  2. also known as an inhibitory loop
  3. collect oxygen-poor blood throughout your body and return it to your heart
  4. type of digestion where teeth are used to break down food into smaller pieces
  5. blood vessels that carry oxygen-rich blood from your heart to other parts of your body
  6. system that facilitates the nitrogenous waste from the body
  7. the process of using the outputs for the inputs
  8. transmits signals from your brain to the rest of your body
  9. the body's chemical messengers
  10. system that contains haploid cells

20 Clues: system of glands and organs • smallest type of blood vessel • the body's chemical messengers • an organ that produces hormones • system that contains your lungs • also known as an inhibitory loop • system that contains haploid cells • the internal framework of your body • system that pumps blood throughout your body • the process of using the outputs for the inputs • ...

photosynthesis 2025-01-22

photosynthesis crossword puzzle
Across
  1. Stroma that contains small circular DNA and ______
  2. H2O from the soil will enter into the roots through the
  3. The organelle that is responsible for cellular respiration is the
  4. Photosynthesis occurs in plants, algae, certain other ____ and some prokaryotes.
  5. The most important plant pigment
  6. Thylakoids are piles into ____
  7. The ______ is an organelle that carries out photosynthesis
  8. and ____
  9. It accepts electrons and transfer to other electron carrying molecules
Down
  1. The light absorbing pigment Chlorophyll is found in the _____
  2. Converts light energy to the chemical energy of food.
  3. Chlorophyll __ is the main light absorbing pigment.
  4. CO2 from the atmosphere will enter the leaves of the plants through the _____
  5. chlorophyll __ helps prevent photo-oxidative stress
  6. When the white light from the sun passes through a prism, it produces the ____ colors.
  7. Photosynthesis converts light energy to the chemical energy of ____.
  8. When a reaction involves ________ at least one electron from one molecule to another, oxidation-reduction reaction occurs.
  9. Chloroplast is composed of Outer membrane, Inner membrane, ______, and Thylakoids
  10. The light that comes from the sun
  11. Two colors are used for photosynthesis, the ___

20 Clues: and ____ • Thylakoids are piles into ____ • The most important plant pigment • The light that comes from the sun • Two colors are used for photosynthesis, the ___ • Stroma that contains small circular DNA and ______ • Chlorophyll __ is the main light absorbing pigment. • chlorophyll __ helps prevent photo-oxidative stress • ...

Photosynthesis and Cellular Respiration 2025-09-19

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. 2nd step of aerobic respiration
  2. Organism that makes its own food; base of the food chain
  3. Sphere of earth & all surrounding gasses
  4. Organelle; site of photosynthesis
  5. All water on earth
  6. Process of using light energy to make glucose & O2 from CO2 & H2O
  7. Pigment in chloroplast
  8. Adenosine diphosphate; energy storage molecule (2 phosphates)
  9. 2nd step of aerobic respiration
  10. Non-oxygen-present situation
  11. Organelle; site of steps 2/3 of cellular respiration (aerobic)
  12. Nutrient; Backbone for all molecules
Down
  1. All soils & rocks on earth
  2. 1st step of aerobic respiration, breaks down glucose into pyruvate + NADH
  3. Anything that has mass/takes up space
  4. Oxygen-present situation
  5. Substance at start of chemical reaction; makes products
  6. 1st step of photosynthesis
  7. 2nd step of photosynthesis
  8. respiration Process of breaking down glucose + O2 to make ATP, CO2 and H2O
  9. Organism; Must eat other organisms to obtain energy
  10. Transports electrons; 3rd step of aerobic respiration
  11. Sphere of all earthly, living things
  12. Adenosine Triphosphate; energy storage molecule (3 phosphates)
  13. Result of chemical reaction; from reactions
  14. Organism; Breaks down biotic compounds

26 Clues: All water on earth • Pigment in chloroplast • Oxygen-present situation • All soils & rocks on earth • 1st step of photosynthesis • 2nd step of photosynthesis • Non-oxygen-present situation • 2nd step of aerobic respiration • 2nd step of aerobic respiration • Organelle; site of photosynthesis • Sphere of all earthly, living things • Nutrient; Backbone for all molecules • ...

Photosynthesis and Cellular Respiration 2025-10-20

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. The transformation of energy into something that can be used by living organisms
  2. Organelle where cellular respiration takes place
  3. Something made/given off from a chemical reaction
  4. Organelle where photosynthesis takes place
  5. Adenosine triphosphate, product of cellular respiration
  6. A green pigment found in the chloroplast
  7. CO₂, reactant of photosynthesis, product of cellular respiration
  8. Type of energy used by plants in the process of photosynthesis
  9. A process in which plants use sunlight to create glucose, using water and carbon dioxide
Down
  1. A substance at the beginning of a chemical reaction
  2. The parts of a cell
  3. The capacity for work, glucose gets turned into this in cellular respiration
  4. A process in which food gets turned to energy, using glucose and oxygen
  5. H₂O,reactant of photosynthesis, product of cellular respiration
  6. Type of organism(s) that use cellular respiration
  7. A reactant in the process of photosynthesis
  8. Sugar, product of photosynthesis, reactant of cellular respiration
  9. A type of plant that uses photosynthesis, often in water
  10. Living organism that uses photosynthesis, have chloroplast
  11. O₂,product of photosynthesis, reactant of cellular respiration

20 Clues: The parts of a cell • A green pigment found in the chloroplast • Organelle where photosynthesis takes place • A reactant in the process of photosynthesis • Organelle where cellular respiration takes place • Something made/given off from a chemical reaction • Type of organism(s) that use cellular respiration • A substance at the beginning of a chemical reaction • ...

Physical Science Review #1 2023-04-13

Physical Science Review #1 crossword puzzle
Across
  1. The amount of one material in a certain volume of anothe material
  2. How close a measurement is to the true value
  3. Material that increases the rate of a reaction
  4. The temperature at which no more energy can be removed
  5. Turns red litmus paper blue and produces OH-
  6. Basic particle from which all elements are made
Down
  1. Change of state from a gas to a liquid
  2. Force of attraction that holds two atoms together
  3. Highest part of a transverse wave
  4. Number in front of a chemical formula
  5. Turns blue litmus paper red and produces H+
  6. Energy needed to start a chemical reaction

12 Clues: Highest part of a transverse wave • Number in front of a chemical formula • Change of state from a gas to a liquid • Energy needed to start a chemical reaction • Turns blue litmus paper red and produces H+ • How close a measurement is to the true value • Turns red litmus paper blue and produces OH- • Material that increases the rate of a reaction • ...

2.3. Vocab Review 2023-10-18

2.3. Vocab Review crossword puzzle
Across
  1. The organelle in which Photosynthesis takes place
  2. Glucose is this type of macromolecule
  3. The process in which CO2 and H2O is turned into glucose and oxygen
  4. Where plants get their energy from
  5. The organelle in which Cellular Respiration takes place
Down
  1. This shows reactants coming together to make products
  2. The biotic carbon in the cycle
  3. The process in which glucose and oxygen is turned into CO2, H2O, and energy
  4. What you start with in a chemical reaction (they react)
  5. What you end with in a chemical reaction (they are produced)
  6. The abiotic carbon in the cycle
  7. The energy the mitochondria makes

12 Clues: The biotic carbon in the cycle • The abiotic carbon in the cycle • The energy the mitochondria makes • Where plants get their energy from • Glucose is this type of macromolecule • The organelle in which Photosynthesis takes place • This shows reactants coming together to make products • What you start with in a chemical reaction (they react) • ...

science vocabulary 2023-12-12

science vocabulary crossword puzzle
Across
  1. soluble
  2. flammability
  3. dissolve
  4. acid
Down
  1. reactant
  2. change
  3. density
  4. reaction
  5. element

9 Clues: acid • change • density • soluble • element • reactant • reaction • dissolve • flammability

Chemical Reactions 2020-12-06

Chemical Reactions crossword puzzle
Across
  1. We see bubbles of these in a chemical reaction.
  2. Another word for changes back.
  3. When a precipitate forms it is a sign of what change?
Down
  1. Ice melting to water is a ________ change.
  2. In a chemical reaction, a new _______ is always produced.
  3. In a chemical reaction, light ______ and heat ______ can be produced.

6 Clues: Another word for changes back. • Ice melting to water is a ________ change. • We see bubbles of these in a chemical reaction. • When a precipitate forms it is a sign of what change? • In a chemical reaction, a new _______ is always produced. • In a chemical reaction, light ______ and heat ______ can be produced.

Types of matter, physical and chemical changes crossword 2024-08-27

Types of matter, physical and chemical changes crossword crossword puzzle
Across
  1. The process where a solid forms from a solution during a chemical reaction.
  2. A chemical reaction that occurs when a substance reacts with oxygen, releasing heat and light.
  3. The rapid vaporization of a liquid when it is heated to its boiling point.
  4. A type of mixture where the components can be easily distinguished.
  5. A chemical change where a material combines with oxygen, often producing rust or tarnish.
  6. When a solid changes directly into a gas without becoming liquid.
  7. The process of gas changing directly into a solid without becoming liquid.
Down
  1. The process of a liquid changing into a gas.
  2. The process where gas turns back into a liquid.
  3. The process of changing from a liquid to a solid.
  4. The process of changing from a solid to a liquid.
  5. A type of mixture where the composition is uniform throughout.
  6. The process of turning vapor into liquid when it cools down
  7. Another term for freezing, the process where a liquid turns into a solid.
  8. A process used to separate mixtures based on differences in boiling points.

15 Clues: The process of a liquid changing into a gas. • The process where gas turns back into a liquid. • The process of changing from a liquid to a solid. • The process of changing from a solid to a liquid. • The process of turning vapor into liquid when it cools down • A type of mixture where the composition is uniform throughout. • ...

Atomic Structure 2017-09-25

Atomic Structure crossword puzzle
Across
  1. change when no new product is made after a certain reaction
  2. point temperature at which a solid melts
  3. when you filter a mixture the substance or LIQUID that goes through the filter paper and enters the beaker is called this
  4. substance made up of 2 or more types of atoms that are chemically bonded together
  5. 2 or more elements that are NOT chemically bonded together
  6. a mixture of solute dissolved in a solvent
  7. when you filter a mixture the left over substance is called this
  8. liquid that dissolves the solute
Down
  1. change when a new product is made after a chemical reaction
  2. substance that dissolves in a solvent
  3. doesn't dissolve e.g sand
  4. building blocks of life
  5. one or more atom
  6. made up of one type of atom only
  7. dissolves e.g salt
  8. point temperature at which a liquid boils

16 Clues: one or more atom • dissolves e.g salt • building blocks of life • doesn't dissolve e.g sand • made up of one type of atom only • liquid that dissolves the solute • substance that dissolves in a solvent • point temperature at which a solid melts • point temperature at which a liquid boils • a mixture of solute dissolved in a solvent • ...

Ch 8 Vocab 16-29 2022-11-29

Ch 8 Vocab 16-29 crossword puzzle
Across
  1. (small part) a substance that is dissolved by another substance to form a solution. ex. sugar
  2. a substance that dissolves one or more other substances to form a solution. ex. water
  3. a substance at the end of a chemical reaction.
  4. a change of matter that occurs when atoms link together in new ways, creating a new substance different from the original substance.
  5. a mixture of substances that are blended so completely that the mixture looks the same everywhere. ex. tea
Down
  1. a material that is a poor conductor of heat and electricity ex. wood
  2. the maximum amount of a substance that can be dissolved by another substance.
  3. a physical combination of two or more substances that are blended together without forming new substances. ex. salad
  4. a solid formed from the chemical reaction of some solutions.
  5. a change of matter in size, shape , or state that does not change the type of matter. ex. tearing paper
  6. an original substances at the beginning of a chemical reaction.

11 Clues: a substance at the end of a chemical reaction. • a solid formed from the chemical reaction of some solutions. • an original substances at the beginning of a chemical reaction. • a material that is a poor conductor of heat and electricity ex. wood • the maximum amount of a substance that can be dissolved by another substance. • ...

Chemical Reactions Vocab 2025-10-20

Chemical Reactions Vocab crossword puzzle
Across
  1. A tiny negatively charged particle that moves around the outside of the atom’s nucleus.
  2. A particle in the atom’s nucleus that has no charge (neutral).
  3. The different physical forms in which a substance can exist — solid, liquid, gas, or plasma — depending on how particles move and are arranged.
  4. The starting substances in a chemical reaction — what you begin with.
  5. The name of the town in Amplify with the reddish-brown water.
  6. A group of atoms connected by bonds; the smallest unit of a substance that still has the same properties.
Down
  1. The new substances formed after a chemical reaction occurs.
  2. Reaction A process where atoms rearrange to make one or more new substances with different properties.
  3. A type of matter that is made of the same kind of particle (atoms or molecules) throughout.
  4. A positively charged particle found in the center (nucleus) of an atom.
  5. The smallest unit of matter; made up of protons (positive), neutrons (neutral), and electrons (negative).

11 Clues: The new substances formed after a chemical reaction occurs. • The name of the town in Amplify with the reddish-brown water. • A particle in the atom’s nucleus that has no charge (neutral). • The starting substances in a chemical reaction — what you begin with. • A positively charged particle found in the center (nucleus) of an atom. • ...

Weathering, Erosion and Deposition Slides 2022-12-05

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

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

GENERAL CHEMISTRY 1 2020-05-05

GENERAL CHEMISTRY 1 crossword puzzle
Across
  1. a chemical substance that is present at the start of a chemical reaction
  2. an ion with a negative electrical charge
  3. a chemical process where a solid turns into a gas without going through a liquid stage
  4. element with atomic number 18 and is represented by the symbol Ar
  5. an element with an atomic number 6
  6. Can be bent or hammered into shape
  7. mass per unit volume
  8. a branch of science that deals with the form and properties of matter and substances
  9. group of 8 valence electrons around an atom
  10. one or more atoms with the same atomic number but with different numbers of neutrons
  11. containing one mole of a substance
  12. a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases
  13. A compound containing only carbon and hydrogen
  14. element with properties intermediate between those of metals and nonmetals
  15. a metric unit of weight equal to one thousandth of a kilogram
  16. that which has mass and occupies space
  17. A substance containing oxygen that has a pH of more than 7 and less than 14
  18. a branch of science that explores the chemical processes within and related to living organisms
  19. a heterogeneous mixture in which solute-like particles settle out of a solvent-like phase sometime after their introduction
  20. chemical element with the symbol Ag
  21. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  22. chemical element with the symbol Au
  23. containing or involving or occurring in the form of ions
  24. a mixture containing two or more metallic elements or metallic and nonmetallic
  25. the conversion of a vapor or gas to a liquid
Down
  1. means 10
  2. of or relating to or characterized by covalence
  3. a fourth state of matter
  4. a visible suspension in the air of particles of a substance
  5. A medium or substance that does not conduct heat or electricity
  6. any compound containing a chlorine atom
  7. a membrane-bound structure that contains a cell's hereditary information and controls its growth and reproduction
  8. material which permits the flow of energy and electricity
  9. any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
  10. the process of turning from liquid into vapor
  11. metal with element symbol Pb and atomic number 82
  12. The relative formula mass of a substance in grams
  13. The chemical erosion of iron and steel
  14. state of matter characterized by having a definite volume but not a definite shape
  15. the degree of hotness or coldness of a body or environment
  16. a type of homogeneous mixture in which the dispersed particles do not settle out
  17. incapable of mixing
  18. a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
  19. an alloy of copper
  20. amount of matter in a substance
  21. unable to dissolve in a solvent
  22. A substance that dissolves a solute
  23. something that makes a chemical reaction happen more quickly without itself being changed
  24. means 100
  25. a common nonmetallic element; constitutes 78 percent of the atmosphere by volume

50 Clues: means 10 • means 100 • an alloy of copper • incapable of mixing • mass per unit volume • a fourth state of matter • amount of matter in a substance • unable to dissolve in a solvent • an element with an atomic number 6 • Can be bent or hammered into shape • containing one mole of a substance • chemical element with the symbol Ag • A substance that dissolves a solute • ...

ENZYMES 2025-01-21

ENZYMES crossword puzzle
Across
  1. FIRST ENZYME TO BE DISCOVERED
  2. NONPROTEINIC PART OF ENZYMES
  3. ENZYMES ARE MADE UP OF ___
  4. PROTEINIC PART OF ENZYMES
  5. SCIENTIST WHO GAVE TERM ENZYMES
  6. ENZYME SPEED UP RATE OF REACTION BY LOWERING___
  7. MOLECULE OFTEN ACTIING AS COENZYMES
  8. ANOTHER TERM USED FOR ENZYMES
  9. A BIOLOGICAL MOLECULE THAT SPEED UP THE CHEMICAL REACTION
Down
  1. ENZYME WHEN WORK ON ONLY ONE SPECIFIC SUBSTRATE
  2. ENZYMES ARE BIOLOGICAL _____
  3. ENZYMES FUNTIONING INSIDE THE CELL
  4. ENZYMES ARE POLYMER OF____
  5. FIRST ENZYME TO PURIFY AND CRYTALLIZED
  6. ENZYMES ARE SENSITIVE TO
  7. COMBINATION OF APOENZYMES AND COENZYME
  8. ENZYME WHICH JIONS THE END OF 2 STRAND OF N.A.
  9. ENZYMES HYDROLYSING STARCH

18 Clues: ENZYMES ARE SENSITIVE TO • PROTEINIC PART OF ENZYMES • ENZYMES ARE POLYMER OF____ • ENZYMES ARE MADE UP OF ___ • ENZYMES HYDROLYSING STARCH • ENZYMES ARE BIOLOGICAL _____ • NONPROTEINIC PART OF ENZYMES • FIRST ENZYME TO BE DISCOVERED • ANOTHER TERM USED FOR ENZYMES • SCIENTIST WHO GAVE TERM ENZYMES • ENZYMES FUNTIONING INSIDE THE CELL • MOLECULE OFTEN ACTIING AS COENZYMES • ...

Biochemistry 2013-11-30

Biochemistry crossword puzzle
Across
  1. Protein that catalyzes reactions using a lock and key mechanism
  2. Reaction that involves forming a larger molecule from smaller subunits
  3. Process in which a protein's structure is altered due to certain factors
  4. Characteristic that involves an aversion to water
  5. Linkages connecting monosaccharides together
  6. One product of a condensation reaction between alpha glucose and beta fructose
  7. Function of fats that conserves heat
  8. An indigestible carbohydrate for humans
  9. Enzyme for which the substrate is hydrogen peroxide
Down
  1. Process of removing an amino group from a molecule
  2. A molecule with the same chemical formula but a varying molecular structure
  3. Waterproof coating on plants that aids in the conservation of water
  4. Component of a cell's membrane
  5. Chemical system that maintains the pH level of a solution
  6. Energy-storing molecule in plants
  7. Movement of particles through a membrane down a concentration gradient
  8. Molecule consisting of one glycerol and three fatty acids
  9. Building block of protein
  10. Functional group with a carbonyl group at the end of a chain; acts as a preservative for soft tissues
  11. The number of amino acids

20 Clues: Building block of protein • The number of amino acids • Component of a cell's membrane • Energy-storing molecule in plants • Function of fats that conserves heat • An indigestible carbohydrate for humans • Linkages connecting monosaccharides together • Characteristic that involves an aversion to water • Process of removing an amino group from a molecule • ...

Chemistry Unit Study Guide 2016-02-10

Chemistry Unit Study Guide crossword puzzle
Across
  1. on periodic table
  2. helium,neon,argon,krypton,Xeon,radon are this.
  3. shiny,hard,malleable and ductile
  4. substance that is not a metal
  5. negative charge
  6. electrons in outermost orbital
  7. positive charge
  8. element whose properties are intermediate between those of metals and solid non-metals
  9. energy absorbed/cold
  10. number of protons in nucleus of atom
  11. thin coating of gold, silver, or other metal
  12. atomic weight I'd another name
  13. no charge
Down
  1. groups of atoms bonded together
  2. basic unit of a chemical element
  3. substance consumed during the reaction to make products
  4. states mass in an isolated system is neither created, nor destroyed by chemical reactions of physical transformation
  5. created periodic table
  6. known as family
  7. element name on periodic table
  8. compound that are formed when a reaction goes to completion
  9. energy released/hot
  10. elements with the same number of electron shells arranged in same row
  11. composed of two or more separate elements
  12. center of the atom built of protons and neutrons
  13. regions of space outside the nucleus of atom

26 Clues: no charge • negative charge • known as family • positive charge • on periodic table • energy released/hot • energy absorbed/cold • created periodic table • substance that is not a metal • element name on periodic table • electrons in outermost orbital • atomic weight I'd another name • groups of atoms bonded together • basic unit of a chemical element • shiny,hard,malleable and ductile • ...

Science study guide 2016-02-10

Science study guide crossword puzzle
Across
  1. sets of electrons in a ring
  2. matter cannot be created or destroyed
  3. an element with properties of both metals and nonmetals
  4. the substance in a chemical reaction that's changed
  5. takes in heat
  6. releases heat
  7. a numbering of the electrons/protons an element has
  8. particle with a negative charge
  9. a set of different atoms mixed together
  10. a certain type of matter with unique properties
  11. the core of an atom, storing protons and neutrons
  12. an element with poor conductivity and malleability
  13. particle with a positive charge
  14. a column on the periodic table
Down
  1. an element with a full valence orbital
  2. covering one element with another
  3. something created by a chemical reaction
  4. man who created the periodic table
  5. an electron on the outermost orbital
  6. an abbreviation for the name of an element
  7. the mass of an element
  8. an element with high conductivity and malleability
  9. particle with no charge
  10. small unite of matter with the properties of a certain element
  11. a row on the periodic table

25 Clues: takes in heat • releases heat • the mass of an element • particle with no charge • sets of electrons in a ring • a row on the periodic table • a column on the periodic table • particle with a negative charge • particle with a positive charge • covering one element with another • man who created the periodic table • an electron on the outermost orbital • ...

Chemistry study guide 2016-02-11

Chemistry study guide crossword puzzle
Across
  1. changed when combined with another substance
  2. number of characteristics of element that represents number of proton in the nucleus
  3. made of atoms of one kind and can't be separated by chemical reaction
  4. small amount of something
  5. brittle not thin or flat can be a liquid
  6. formed with heat
  7. atomic particles found in the nucleus of an atom and carries a positive charge
  8. mix of metal and nonmetal
  9. weight of substance
  10. electrons in outer most orbital
  11. ring or shell
  12. form something with two substances
Down
  1. thin pieces of metal
  2. rare gas include helium or neon or argon
  3. can't be distorted by a chemical reaction
  4. smallest part of an element
  5. center part of an atom made up of protons or neutrons
  6. row that goes up and down
  7. shiny good conductor of heat and electricity
  8. absorbed heat
  9. atomic particles in the nucleus of an atom and carries a negative charge
  10. horizontal row on the periodic table
  11. letter of up to two to sort out the elements
  12. atomic particles in the nucleus of an atom and carries no change

24 Clues: absorbed heat • ring or shell • formed with heat • weight of substance • thin pieces of metal • small amount of something • row that goes up and down • mix of metal and nonmetal • smallest part of an element • electrons in outer most orbital • form something with two substances • horizontal row on the periodic table • rare gas include helium or neon or argon • ...

Biology Quest Review 2019-11-25

Biology Quest Review crossword puzzle
Across
  1. stands for adenosine triphosphate, is energy for a cell
  2. happens in the thylakoids, gives us oxygen
  3. the first step of respiration, doesn't need oxygen
  4. where respiration occurs in a cell
  5. used to produce ATP and specifically NAD+ when oxygen is not present
  6. product of photosynthesis reactant for respiration
  7. requiring oxygen
  8. reactant of photosynthesis and product of respiration
  9. chemical formula O2 product for photosynthesis reactant of respiration
  10. the second step of respiration
  11. aka light-independent reaction makes glucose
  12. where photosynthesis occurs in a plant
  13. the thin pancakes in the chloroplasts
Down
  1. produced in lactic acid fermentation, makes your muscles hurt
  2. chains of chemical enzyme reactions that take place in cells
  3. the last step of respiration
  4. the process by which plants make food
  5. H2O reactant for photosynthesis and product of respiration
  6. not requiring oxygen
  7. the process plants and animals use to make ATP energy
  8. produced in alcoholic fermentation, makes bread rise
  9. the area of the chloroplast surrounding the thylakoids and grana

22 Clues: requiring oxygen • not requiring oxygen • the last step of respiration • the second step of respiration • where respiration occurs in a cell • the process by which plants make food • the thin pancakes in the chloroplasts • where photosynthesis occurs in a plant • happens in the thylakoids, gives us oxygen • aka light-independent reaction makes glucose • ...

MATTER 2017-03-11

MATTER crossword puzzle
Across
  1. an object that has a low density will
  2. ____ change is a change in the state of matter (size or shape)
  3. _____ is a mixture that is homogeneous
  4. _______mixture is unevenly distributed
  5. is the amount of space that matter takes up
  6. is a physical combination of 2 or more substance
  7. an object that has a high density will
  8. chemical reactions happen at different _____
  9. when matter goes through a ____ change, a new substance is formed
Down
  1. is a measure of the amount of matter in a given amount of space
  2. ____ state of matter does not definite shape or volume
  3. ______ reaction absorbs heat energy
  4. ______ mixture are uniform throughout
  5. is the amount of force that gravity puts on that amount of matter
  6. ____ state of matter has a definite shape and volume
  7. _____ reaction produces heat energy
  8. means that no more material may be dissolved into the mixture
  9. is the amount matter within an object
  10. is a homogeneous mixture metals
  11. ____ state of matter has definite volume and takes shape of the container

20 Clues: is a homogeneous mixture metals • ______ reaction absorbs heat energy • _____ reaction produces heat energy • an object that has a low density will • ______ mixture are uniform throughout • is the amount matter within an object • _____ is a mixture that is homogeneous • _______mixture is unevenly distributed • an object that has a high density will • ...

Science 2024-07-03

Science crossword puzzle
Across
  1. A type of book or article to publish scientific findings.
  2. A fertilised egg cell.
  3. The formula for speed is the total distance divided by the total what?
  4. Able to be broken down naturally. (No hyphen in answer)
  5. An irreversible type of reaction in which a new product is formed.
  6. The unit for energy. (Starts with the letter J)
  7. Limewater becomes what colour in the presence of Carbon Dioxide.
  8. The X axis on a graph represents what type of variable?
  9. Sacrifical Protection involves sacrificing one material to save another from what?
Down
  1. The differences in a type of species
  2. Any preservational store of genetic information is called a gene what?
  3. Joint Monomers.
  4. Respiration using oxygen is what?
  5. The sacrificial material for Sodium.
  6. A type of field that's direction is from the North to South pole.
  7. The process of supplying air to the lungs. (Not Respiration)
  8. The solution used to test for Starch.
  9. The common term for Dihydrogen Monoxide.
  10. Incomplete Combustion occurs when there is a lack of what in the chemical reaction?
  11. A term to describe a no longer existent species.

20 Clues: Joint Monomers. • A fertilised egg cell. • Respiration using oxygen is what? • The differences in a type of species • The sacrificial material for Sodium. • The solution used to test for Starch. • The common term for Dihydrogen Monoxide. • The unit for energy. (Starts with the letter J) • A term to describe a no longer existent species. • ...

Chp. 2 Biochemistry 2023-10-13

Chp. 2 Biochemistry crossword puzzle
Across
  1. large particles that settle out; ex. blood
  2. energy that does work
  3. when two or more different kinds of atoms bind
  4. bonds that share electrons
  5. electrically negative
  6. used in Pet scans
  7. shell another name for energy level
  8. electrically neutral
  9. number of of an atom that is sum of protons and neutrons
  10. reaction that involves atoms combining to form large molecule
  11. structural variations of elements like deuterium
  12. number that is equal to the number of protons in the nucleus
Down
  1. reactions that release heat
  2. bonds that hold atoms together
  3. particles or building blocks of elements
  4. substances that increase the rate of chemical reactions without being changed
  5. reaction that occurs when molecule is broken down into smaller molecules
  6. particles of very tiny and do not settle out
  7. have positive electrical charge
  8. usually serve as catalysts
  9. capacity to do work
  10. energy that is stored
  11. bonds that transfer electrons
  12. are biological catalysts
  13. occupies space and has mass
  14. particles are larger and do not settle out; jello
  15. reactions that absorb heat

27 Clues: used in Pet scans • capacity to do work • electrically neutral • energy that does work • electrically negative • energy that is stored • are biological catalysts • bonds that share electrons • usually serve as catalysts • reactions that absorb heat • reactions that release heat • occupies space and has mass • bonds that transfer electrons • bonds that hold atoms together • ...

Chemistry definition crossword 2024-09-27

Chemistry definition crossword crossword puzzle
Across
  1. The lowest frequency and longest wavelength of the EM Spectrum
  2. 6.626x10^-34
  3. electrons that are in the outermost shell or energy level.
  4. Transfer of heat by electromagnetic waves
  5. Absolute zero
  6. Study of energy changes that happen during chemical reactions
  7. Atoms of the same element with different numbers of neutrons
  8. Charged particle
  9. A type of reaction that absorbs heat
  10. The weighted average of all the naturally occurring isotopes of that element
  11. Transfer of heat by fluid motions of materials
  12. 3.0x10^8
  13. The capacity to move, do work, change matter, or produce heat.
  14. A neutral subatomic unit that is in the nucleus
Down
  1. Thermal equilibrium
  2. Determines the identity of an element
  3. The electron arrangement in an atom
  4. A type of reaction that releases heat
  5. Energy is neither created or destroyed
  6. Flow of heat between objects by contact
  7. Smallest part of an element that maintains the properties of that element
  8. The energy of an object's motion
  9. A measure of disorder in a system
  10. A negative subatomic unit that is in the electron cloud
  11. Energy stored in chemical bonds

25 Clues: 3.0x10^8 • 6.626x10^-34 • Absolute zero • Charged particle • Thermal equilibrium • Energy stored in chemical bonds • The energy of an object's motion • A measure of disorder in a system • The electron arrangement in an atom • A type of reaction that absorbs heat • Determines the identity of an element • A type of reaction that releases heat • Energy is neither created or destroyed • ...

Biology final project 2025-04-28

Biology final project crossword puzzle
Across
  1. A cell without a nucleus.
  2. 1/2 of the replicated/duplicated chromosome.
  3. The process of burning something.
  4. All living parts in an ecosystem.
  5. Protein that act as a catalyst to accelerate a reaction.
  6. A highly contagious disease caused by the SARS- Cov2 virus.
  7. When a cell is damaged beyond repair, it destroys itself (pop).
  8. System Releases hormones into the bloodstream.
  9. Something that causes or starts a chemical reaction.
  10. An organism that causes disease in the host.
  11. System Breaks down and absorbs nutrients from the food.
Down
  1. The end product of a biological or chemical process, what was made or created.
  2. A preparation that is used to stimulate the body's immune response against a specific disease.
  3. An organism that is infected with or fed upon by a parasitic or pathogenic organism.
  4. System Helps the body move
  5. Transports water through a semipermeable membrane.
  6. non-living parts of an ecosystem.
  7. A tumor or growth that is not cancerous.
  8. A cell with a nucleus.
  9. Fat tissue that helps keep an organism warm.

20 Clues: A cell with a nucleus. • A cell without a nucleus. • System Helps the body move • The process of burning something. • non-living parts of an ecosystem. • All living parts in an ecosystem. • A tumor or growth that is not cancerous. • 1/2 of the replicated/duplicated chromosome. • Fat tissue that helps keep an organism warm. • An organism that causes disease in the host. • ...

Plants 2024-11-04

Plants crossword puzzle
Across
  1. The things that react in a chemical reaction.
  2. The products of photsythisis.
  3. The chemical formula for water.
  4. Where the energy plants use for Photosynthesis comes from.
Down
  1. Where photosynthesis takes place.
  2. _______ means light + put together.
  3. ___ energy is turned into chemical energy.
  4. ____ is absorbed by plants, along with water and carbon dioxide.
  5. ABC is the answer to this (Free).
  6. The chemical formula for Carbon Dioxide.

10 Clues: The products of photsythisis. • The chemical formula for water. • Where photosynthesis takes place. • ABC is the answer to this (Free). • _______ means light + put together. • The chemical formula for Carbon Dioxide. • ___ energy is turned into chemical energy. • The things that react in a chemical reaction. • Where the energy plants use for Photosynthesis comes from. • ...

Chapter 13; Lucy Serna 2020-02-18

Chapter 13; Lucy Serna crossword puzzle
Across
  1. also known as activation energy
  2. reactants turn into this
  3. law of this means no atoms are gained or lost
  4. a net release of energy
  5. when reaction and its reverse act at the same rate
Down
  1. the chemical equation must be what
  2. a net absorption of energy
  3. a type of chemical reaction
  4. a type of chemical reaction
  5. how quickly the concentration reactants decreases and how quickly the concentration of products increases

10 Clues: a net release of energy • reactants turn into this • a net absorption of energy • a type of chemical reaction • a type of chemical reaction • also known as activation energy • the chemical equation must be what • law of this means no atoms are gained or lost • when reaction and its reverse act at the same rate • ...

Law of Conservation 2025-10-20

Law of Conservation crossword puzzle
Across
  1. A change where no new substance is formed.
  2. The scientific rule that matter is conserved.
  3. Tiny building blocks of matter.
  4. The stuff you start with in a chemical reaction.
  5. The stuff you end up with in a chemical reaction.
Down
  1. A group of atoms bonded together.
  2. Matter cannot be created or
  3. The measure of how much matter something has.
  4. A change that forms a new substance.
  5. The total amount of matter stays the ______.

10 Clues: Matter cannot be created or • Tiny building blocks of matter. • A group of atoms bonded together. • A change that forms a new substance. • A change where no new substance is formed. • The total amount of matter stays the ______. • The scientific rule that matter is conserved. • The measure of how much matter something has. • ...

Chemical Reactions 2024-11-19

Chemical Reactions crossword puzzle
Across
  1. reactants—products
  2. Word to describe that a chemical reaction did not work
  3. periodic table
Down
  1. before the equation
  2. 1 or more atoms
  3. Word to describe that a chemical reaction worked
  4. after the equation

7 Clues: periodic table • 1 or more atoms • reactants—products • after the equation • before the equation • Word to describe that a chemical reaction worked • Word to describe that a chemical reaction did not work

Permanent Waves 2023-02-03

Permanent Waves crossword puzzle
Across
  1. this should be tested when the hair is dry
  2. waving solution breaks disulphide bonds through a chemical reaction called _____________
  3. do this to the hair immediately before a permanent wave service
  4. Before proceeding with a perm, check the scalp for ___________
  5. Avoid excess __________ when styling the hair after a perm service
  6. off-base placement of rods creates the least amount of _________
Down
  1. hair that is bent up at the ends
  2. the size of the ____ determines the size of the "s" pattern
  3. the most common type of perm rods are __________
  4. permanent waving solution breaks disulphide bonds by adding ___________
  5. the chemical reaction involved for neutralization
  6. the ability of the hair to stretch and contract
  7. all perm wraps begin by sectioning the hair into ______
  8. this hair will become saturated with waving lotion quicker than hair with a large diameter
  9. perm solution should be rinsed from hair for at least ______ minutes
  10. Avoid getting perm solution in the client's _______

16 Clues: hair that is bent up at the ends • this should be tested when the hair is dry • the ability of the hair to stretch and contract • the most common type of perm rods are __________ • the chemical reaction involved for neutralization • Avoid getting perm solution in the client's _______ • all perm wraps begin by sectioning the hair into ______ • ...

hydrocarbon chemistry 2025-09-18

hydrocarbon chemistry crossword puzzle
Across
  1. A compound ending in -ol.
  2. The name of the fraction used to fuel cars.
  3. The alcohol used in alcoholic drinks.
  4. A type of chemical reaction that produces an alcohol from an alkene and steam.
  5. A substance containing only hydrogen and carbon atoms.
  6. A substance that speeds up a chemical reaction without being used up itself.
  7. The process of breaking down long-chain hydrocarbons into smaller, more useful ones.
Down
  1. The name of the process by which crude oil is separated.
  2. The process of separating crude oil into different fractions.
  3. A long-chain hydrocarbon molecule.
  4. A molecule with the same molecular formula but a different structural formula.
  5. The functional group found in all alcohols.
  6. The smallest alkane molecule.
  7. A mixture of hydrocarbons with similar boiling points.
  8. A homologous series of saturated hydrocarbons.
  9. A compound containing a carbon-carbon double bond.

16 Clues: A compound ending in -ol. • The smallest alkane molecule. • A long-chain hydrocarbon molecule. • The alcohol used in alcoholic drinks. • The name of the fraction used to fuel cars. • The functional group found in all alcohols. • A homologous series of saturated hydrocarbons. • A compound containing a carbon-carbon double bond. • ...

Vocabulary Words 2023-02-01

Vocabulary Words crossword puzzle
Across
  1. a chemical bond made by electrons of other atoms being shared with each other
  2. when chemical bonds are broken or made
  3. a chemical bond made by opposite magnetic charges attracting each other, they transfer electrons to other atoms
  4. warmth exerted when chemical reactions occur
  5. a particle that contains protons, neutrons and electrons
Down
  1. things in the outer layer of an atom that is involved in chemical bonds
  2. the correct way of writing out ionic crystal formulas
  3. a chemical reaction that absorbs heat
  4. an easy way of showing/identifying a component of atoms and molecules
  5. two or more atoms chemically bound together
  6. a way to hold atoms together

11 Clues: a way to hold atoms together • a chemical reaction that absorbs heat • when chemical bonds are broken or made • two or more atoms chemically bound together • warmth exerted when chemical reactions occur • the correct way of writing out ionic crystal formulas • a particle that contains protons, neutrons and electrons • ...

General Chemistry 2022-03-12

General Chemistry crossword puzzle
Across
  1. a loose orange brown flaky layer of hydrated iron oxide.
  2. The product (other than water) of the reaction between an acid and a base.
  3. a mixture of organic compounds formed, as a result of high temperatures and pressures, from the remains of living plants and animals which died millions of years ago.
  4. One of several possible forms of a chemical element that differ from others in the number of neutrons in the atomic nucleus, but not in chemical properties.
  5. A process when you add solvent to a solution to make it less concentrated.
  6. An expression showing the chemical formulas of the reactants and products (both in symbols).
  7. The electrode in which reduction occurs.
  8. The number of protons in the nucleus of an atom; determines the identity of the element and the number of electrons in the neutral atom.
  9. an alloy of iron with other elements.
  10. An organic compound containing the hydroxyl group -OH.
  11. a small molecule that can be joined together to make a long molecule called a polymer; a monomer must have a double bond or a functional group at either end.
  12. the breaking down of long-chain alkanes into smaller alkanes and alkenes using a catalyst and heat (500 C).
  13. weak forces of attraction between
  14. A breakdown reaction of a compound into two or more components.
  15. The analysis of composition by measuring the volume of one solution (titrant) needed to react with a given volume of another solution (the analyte).
  16. An atom or molecule that has lost or gained one or more electrons, and thus becomes positively or negatively charged.
  17. Anything that occupies space and possesses mass.
  18. The separation of a mixture by making use of the different volatilities of its components.
  19. a list of metals with the most reactive metal first based on results from experiments.
  20. a homologous series of hydrocarbons that are unsaturated as they have at least 1 double bond somewhere in the chain.
  21. the combining power of an atom or group of atoms; in an ionic compound the valency of an ion is its charge; in a molecule the valency of an atom is the number of bonds it makes.
  22. A reduced molecular formula.
Down
  1. the insoluble part that remains behind in the filter paper during filtration or what is left in the flask.
  2. An element with properties intermediate between those of metals and nonmetals; i.e.: it has the physical appearance and properties of metal but behaves chemically like a nonmetal.
  3. A state in which the rates of the forward and reverse reactions are equal.
  4. an oily but soft substance used to reduce friction between two moving surfaces.
  5. a chemical which oxidizes another chemical; it loses oxygen/gains electrons and becomes reduced.
  6. a chemical reaction in which many small
  7. An electrochemical cell, or often several electrochemical cells connected in series, that can be used as a source of direct electric current at a constant voltage.
  8. A solid solution composed of two or more metals, or of a metal or metals with one or two nonmetals.
  9. The phenomenon of going from the gaseous state to the liquid state.
  10. a process during which a solid changes directly into a gas because its particles have alot more energy, move around very fast and are very far apart.
  11. regular 3-dimensional arrangement of the particles (atoms, ions or molecules).
  12. A substance that increases the rate of a reaction without being consumed in the reaction.
  13. A subatomic particle having a single positive electric charge.
  14. A substance composed of atoms of two or more elements chemically united in fixed properties.
  15. An energy-containing particle of light.
  16. The theory of elementary gas-phase bimolecular reactions in which it is assumed that molecules react only if they collide with at least enough kinetic energy for bonds to be broken.
  17. The natural mineral source of a metal; e.g. hematite; etc.
  18. horizontal row in the Periodic Table.
  19. A reaction in which an atom, ion, or molecule loses an electron.
  20. When the maximum amount of solute is dissolved in a liquid.
  21. or monomers are joined together to form a long molecule called a polymer.
  22. A type of covalent bond joining amino acids in a polypeptide.
  23. A process in which a chemical change is produced by passing an electric current through a
  24. an ore containing aluminium oxide from which aluminium is extracted.
  25. a reaction between an acid and a base to produce water and a salt and sometimes also carbon dioxide.
  26. A reaction that has both oxidation and reduction.
  27. burning, the reacting of a substance with oxygen, exothermic.

49 Clues: A reduced molecular formula. • weak forces of attraction between • an alloy of iron with other elements. • horizontal row in the Periodic Table. • a chemical reaction in which many small • An energy-containing particle of light. • The electrode in which reduction occurs. • Anything that occupies space and possesses mass. • A reaction that has both oxidation and reduction. • ...

CHEMISTRY FOR ENGINEERS CROSSWORD PUZZLE 2021-06-12

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

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

Science Vocabulary 2016-12-08

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

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

Chemistry 2021-11-18

Chemistry crossword puzzle
Across
  1. they interact
  2. change that causes a change in appearance.
  3. columns of the periodic table
  4. Solid, metallic, and fair conductors
  5. Center of the atom
  6. the particles below or inside the atom.
  7. change that causes a new substance to be formed
  8. a substance that cannot be broken down
  9. Group of 2 or more atoms
  10. subatomic particle located in the nucleus and has a neutral charge
  11. the smallest unit of matter that has all the chemical properties of an element.
Down
  1. the study of the properties of atoms and
  2. A substance that forms from a chemical reaction.
  3. A single kind of matter
  4. anything that has volume and mass.
  5. substance made of 2 or more atoms.
  6. subatomic particle located in the electron cloud and has a negative charge
  7. subatomic particle located in the nucleus and has a positive charge
  8. has conductive, malleable, and lustrous properties
  9. A substance that undergoes a change during a reaction
  10. the area around the nucleus
  11. colorless, brittle, poor conductors, and not malleable or ductile.
  12. rows of the periodic table

23 Clues: they interact • Center of the atom • A single kind of matter • Group of 2 or more atoms • rows of the periodic table • the area around the nucleus • columns of the periodic table • anything that has volume and mass. • substance made of 2 or more atoms. • Solid, metallic, and fair conductors • a substance that cannot be broken down • the particles below or inside the atom. • ...

Chemistry Unit review 2016-02-11

Chemistry Unit review crossword puzzle
Across
  1. The outer most orbital
  2. Regions of space outside the nucleus
  3. rows and colors
  4. an object that radiates heat
  5. Atomic particles in the nucleus
  6. The letters for the element
  7. something that has opposite properties of metal
  8. Rows going down
  9. a Russian Chemist
  10. the smallest part of an element
  11. The number of a proton or electron
  12. a group of atoms bonded together
  13. when a layer of one mental goes and sticks onto another metal
Down
  1. a result of a chemical action
  2. elements that are strong and elements that are in a lot of things
  3. the mass of products Ina chemical reaction must equal the mass
  4. A particle that moves around the nucleus
  5. The center of the atom
  6. particles that have a positive charge
  7. A part or aspect of something that is essential
  8. sucks energy inside of it
  9. a substance that changes during reaction
  10. The mass of an element
  11. elements that are in between
  12. a gaseous element such as helium
  13. all molecules , but not all molecules are compounds

26 Clues: rows and colors • Rows going down • a Russian Chemist • The outer most orbital • The center of the atom • The mass of an element • sucks energy inside of it • The letters for the element • an object that radiates heat • elements that are in between • a result of a chemical action • Atomic particles in the nucleus • the smallest part of an element • a gaseous element such as helium • ...

Biology terms 2021-08-19

Biology terms crossword puzzle
Across
  1. simple sugars made up of three to seven carbons
  2. building blocks of fat in our bodies
  3. pertains to the energy needed to initiate a chemical reaction
  4. the most abundant carbohydrate found in foods
  5. large complex of molecules made up of smaller units called amino acids
  6. can observe or dissolve to a greater degree
  7. any diverse groups of organic compounds
  8. biological catalyst and is almost always a protein
  9. building blocks of protein
  10. a macromolecule containing carbon hydrogen and, oxygen
  11. anything that is produced
  12. component of lipids and is an essential sugar for many living things
Down
  1. molecule acted upon an enzyme
  2. generic term for any disaccharide and monosaccharide
  3. any substance that is composed of two molecules of simple sugars
  4. energy is taken in from surrounding
  5. is one of the structural components or building blocks of dna/rna
  6. main information carrying molecules of the cell
  7. being a solution that is unable to absorb/dissolve any more solute at a given temp & pressure
  8. when a chemical reaction happens energy is transferred to or from surroundings

20 Clues: anything that is produced • building blocks of protein • molecule acted upon an enzyme • energy is taken in from surrounding • building blocks of fat in our bodies • any diverse groups of organic compounds • can observe or dissolve to a greater degree • the most abundant carbohydrate found in foods • simple sugars made up of three to seven carbons • ...

Physical and chemical changes 2018-05-30

Physical and chemical changes crossword puzzle
Across
  1. a substance diffused in the air
  2. sub-atomic particle
  3. _____are changed into other substance
  4. compound two molecular bonded
  5. columns of element in the periodic table
  6. pure substance
  7. there are 6_____ in school
  8. change of state from solid to a gas
  9. emit of gas or vapour
  10. liquid to gas same as evaporate
  11. when substance particle are collide with each other
  12. one atom
  13. only two atoms
  14. is the abundance of a consitituent divded by the total volume
  15. easily becomes a gas
Down
  1. two reactant makes_____
  2. chain of molecular simpler to each other repeating
  3. an arrangement in space of isolated points in a regular pattern
  4. speeds the chemical reaction
  5. two or more different substance bonded together e.g. water
  6. when the environment does damage to metal
  7. gas turn to liquid
  8. you can soeed this up by adding heat engery
  9. type of catalyst
  10. water turns to gas when heated
  11. element into a table
  12. ice in the sun
  13. two attracted to each other

28 Clues: one atom • pure substance • ice in the sun • only two atoms • type of catalyst • gas turn to liquid • sub-atomic particle • element into a table • easily becomes a gas • emit of gas or vapour • two reactant makes_____ • there are 6_____ in school • two attracted to each other • speeds the chemical reaction • compound two molecular bonded • water turns to gas when heated • ...