Unit 3 Test Review

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Across
  1. 1. The transfer of kinetic energy from one substance to another
  2. 3. A transfer of heat through liquid or gas
  3. 4. Shows the number of atoms in a molecule
  4. 6. The substances that are produced at the end of a reaction
  5. 10. Chemical _______ are used to show different molecules
  6. 13. Chemical _______ are used to show different chemical reactions
  7. 15. A transfer of heat through solid objects
  8. 16. The Substances that mix or interact at the beginning of a reaction
  9. 17. A chemical reaction that absorbs energy
Down
  1. 2. A chemical reaction that releases energy
  2. 5. Shows the number of molecules in a chemical equation
  3. 7. A transfer of heat through waves, not particles
  4. 8. The average amount of kinetic energy particles have
  5. 9. A chemical equation that has equal atoms on both sides of the equation
  6. 11. Chemical _______ are used to show different elements
  7. 12. When two or more substances mix and create a new substance
  8. 14. A substance that increases the rate of a chemical reaction