Standard 1 Vocab Pretest Multiple Choice Select the word that best fits the definition. 1. A characteristic that explains how a substance has the potential to be changed into another substance. a. Chemical Properties b. Physical Properties c. Photosynthesis d. Reactants 2. Property of a compound that can change without changing the substance. a. Chemical Properties b. Physical Properties c. Photosynthesis d. Reactants 3. Describes the potential of one substance to interact with another substance and create a new substance. a. Combustion b. Physical Properties c. Photosynthesis d. Reacts 4. Any observable event that shows a new substance has been created. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 5. Any observable event that shows the original substance is still present. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 6. A change where the atoms are in their original arrangement and the original substance is still present. a. Chemical change indicator b. Physical change indicator c. Chemical change d. Physical change 7. A change to matter where the atoms have been rearranged and a new substance has been formed. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 8. The oxygen that makes up part of the air we breathe. a. Products b. Reactants c. Atmospheric oxygen d. Photosynthesis 9. The process of plants using sunlight to make sugar/food. a. Atmospheric oxygen b. Photosynthesis c. Products d. Reactants 10. A chemical change involving oxygen and fuel producing heat and light. a. Photosynthesis b. Combustion c. Rusting d. Respiration 11. The chemical process of combining oxygen with iron. a. Photosynthesis b. Combustion c. Rusting d. Respiration 12. The process of combining oxygen with fuel/food to produce energy. a. Photosynthesis b. Combustion c. Rusting d. Respiration 13. The substances that are produced due to a chemical change. Another word for new substance. a. Atmospheric oxygen b. Photosynthesis c. Products d. Reactants 14. The substances that enter into a chemical change. The starting substances. a. Reactants b. Products c. Atmospheric oxygen d. Photosynthesis 15. The temperature at which a liquid changes into a gas. For water 100⁰ Celsius. a. Melting point b.Sublimation c. Condensation d.Boiling/Vaporization point 16. The temperature at which a solid changes to a liquid. For water 0⁰ Celsius. a. Melting point b. Freezing point c. Condensation d. Sublimation 17. The temperature at which a liquid changes to a solid. For water 0⁰ Celsius. a. Sublimation b. Condensation c. Melting point d. Freezing point 18. The process of a gas turning a gas to a liquid. For water 0⁰ Celsius. a. Melting point b. Condensation c. Sublimation d. Freezing point 19. The process of going from solid directly to a gas. a. Condensation b. Sublimation c. Freezing point d. Melting point 20. The process of changing states. The temperature does NOT change during this process. a. Chemical Reaction b. Activation Energy c. Phase Change d. Law of Conservation of Mass 21. A group of interacting, interrelated, or interdependent elements forming a complex whole. a. System b. Endothermic Reaction c. Exothermic Reaction d. Activation Energy 22. A chemical reaction that absorbs energy a. System b. Activation Energy c. Endothermic Reaction d. Exothermic Reaction 23. A chemical reaction that releases energy a. Exothermic Reaction b. System c. Endothermic Reaction d. Activation Energy 24. The energy required to start a chemical reaction a. Activation Energy b. System c. Endothermic Reaction d. Exothermic Reaction 25. Any environment or condition that allows mass/matter to go in or come out. a. Open System b. Closed System c. Law of Conservation of Mass d. Activation Energy 26. Any environment or condition that DOES NOT allow mass/matter to go in or come out. a. Open System b. Activation Energy c. Closed System d. Law of Conservation of Mass 27. A fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system. a. Law of Conservation of Mass b. Open System c. Activation Energy d. Closed System 28. A large number that goes in front of a chemical formula and tells you how many molecules of that substance there are in a chemical equation. a. Coefficient b. Subscript c. Atom d. Molecule 29. A small number in a chemical equation that tells you how many of a particular atom is present in a molecule. a. Coefficient b. Subscript c. Atom d. Molecule 30. The basic unit of an element that retains the chemical and physical properties of that element a. Molecule b. Coefficient c. Subscript d. Atom 31. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. a. Subscript c. Molecule b. Yields d. Atom 32. Another word for equals. Refers to the products produced in a chemical reaction. a. Coefficient b. Yields c. Atom d. Molecule 33. How fast a chemical reaction occurs. a. Reaction Rate b. Collision Theory c. Surface Area d.Concentration 34. The disintegration of a solid in a liquid. Sugar in water. a. Reaction Rate b. Dissolve c. Surface Area d. Concentration 35. The amount of outside, exposed part of matter. a. Reaction Rate b.Collision Theory c. Surface Area d.Concentration 36. A scientific idea that states that the more times particles collide the faster the chemical reaction will be. a. Law of Conservation of Mass b. Collision Theory c. Catalyst d. Concentration 37. A substance that accelerates a chemical reaction, but does not change itself a. Catalyst b. Inhibitor c. Reaction Rate d. Concentration 38. A substance that slows down a chemical reaction. a. Reaction Rate b. Inhibitor c. Surface Area d. Catalyst 39. A measure of how much matter is in a given space. a. Reaction Rate b. Dissolve c. Surface Area d. Concentration Standard 1 Vocab Pretest-key Multiple Choice Select the word that best fits the definition. 1. A characteristic that explains how a substance has the potential to be changed into another substance. a. Chemical Properties b. Physical Properties c. Photosynthesis d. Reactants 2. Property of a compound that can change without changing the substance. a. Chemical Properties b. Physical Properties c. Photosynthesis d. Reactants 3. Describes the potential of one substance to interact with another substance and create a new substance. a. Combustion b. Physical Properties c. Photosynthesis d. Reacts 4. Any observable event that shows a new substance has been created. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 5. Any observable event that shows the original substance is still present. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 6. A change where the atoms are in their original arrangement and the original substance is still present. a. Chemical change indicator b. Physical change indicator c. Chemical change d. Physical change 7. A change to matter where the atoms have been rearranged and a new substance has been formed. a. Chemical change indicator b. Physical change indicator c. Physical change d. Chemical change 8. The oxygen that makes up part of the air we breathe. a. Products b. Reactants c. Atmospheric oxygen d. Photosynthesis 9. The process of plants using sunlight to make sugar/food. a. Atmospheric oxygen b. Photosynthesis c. Products d. Reactants 10. A chemical change involving oxygen and fuel producing heat and light. a. Photosynthesis b. Combustion c. Rusting d. Respiration 11. The chemical process of combining oxygen with iron. a. Photosynthesis b. Combustion c. Rusting d. Respiration 12. The process of combining oxygen with fuel/food to produce energy. a. Photosynthesis b. Combustion c. Rusting d. Respiration 13. The substances that are produced due to a chemical change. Another word for new substance. a. Atmospheric oxygen b. Photosynthesis c. Products d. Reactants 14. The substances that enter into a chemical change. The starting substances. a. Reactants b. Products c. Atmospheric oxygen d. Photosynthesis 15. The temperature at which a liquid changes into a gas. For water 100⁰ Celsius. a. Melting point b.Sublimation c. Condensation d.Boiling/Vaporization point 16. The temperature at which a solid changes to a liquid. For water 0⁰ Celsius. a. Melting point b. Freezing point c. Condensation d. Sublimation 17. The temperature at which a liquid changes to a solid. For water 0⁰ Celsius. a. Sublimation b. Condensation c. Melting point d. Freezing point 18. The process of a gas turning a gas to a liquid. For water 0⁰ Celsius. a. Melting point b. Condensation c. Sublimation d. Freezing point 19. The process of going from solid directly to a gas. a. Condensation b. Sublimation c. Freezing point d. Melting point 20. The process of changing states. The temperature does NOT change during this process. a. Chemical Reaction b. Activation Energy c. Phase Change d. Law of Conservation of Mass 21. A group of interacting, interrelated, or interdependent elements forming a complex whole. a. System b. Endothermic Reaction c. Exothermic Reaction d. Activation Energy 22. A chemical reaction that absorbs energy a. System b. Activation Energy c. Endothermic Reaction d. Exothermic Reaction 23. A chemical reaction that releases energy a. Exothermic Reaction b. System c. Endothermic Reaction d. Activation Energy 24. The energy required to start a chemical reaction a. Activation Energy b. System c. Endothermic Reaction d. Exothermic Reaction 25. Any environment or condition that allows mass/matter to go in or come out. a. Open System b. Closed System c. Law of Conservation of Mass d. Activation Energy 26. Any environment or condition that DOES NOT allow mass/matter to go in or come out. a. Open System b. Activation Energy c. Closed System d. Law of Conservation of Mass 27. A fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system. a. Law of Conservation of Mass b. Open System c. Activation Energy d. Closed System 28. A large number that goes in front of a chemical formula and tells you how many molecules of that substance there are in a chemical equation. a. Coefficient b. Subscript c. Atom d. Molecule 29. A small number in a chemical equation that tells you how many of a particular atom is present in a molecule. a. Coefficient b. Subscript c. Atom d. Molecule 30. The basic unit of an element that retains the chemical and physical properties of that element a. Molecule c. Subscript b. Coefficient d. Atom 31. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. a. Subscript c. Molecule b. Yields d. Atom 32. Another word for equals. Refers to the products produced in a chemical reaction. a. Coefficient b. Yields c. Atom d. Molecule 33. How fast a chemical reaction occurs. a. Reaction Rate b. Collision Theory c. Surface Area d.Concentration 34. The disintegration of a solid in a liquid. Sugar in water. a. Reaction Rate b. Dissolve c. Surface Area d. Concentration 35. The amount of outside, exposed part of matter. a. Reaction Rate b.Collision Theory c. Surface Area d.Concentration 36. A scientific idea that states that the more times particles collide the faster the chemical reaction will be. a. Law of Conservation of Mass b. Collision Theory c. Catalyst d. Concentration 37. A substance that accelerates a chemical reaction, but does not change itself a. Catalyst b. Inhibitor c. Reaction Rate d. Concentration 38. A substance that slows down a chemical reaction. a. Reaction Rate b. Inhibitor c. Surface Area d. Catalyst 39. A measure of how much matter is in a given space. a. Reaction Rate b. Dissolve c. Surface Area d. Concentration