Unit 3 Jeopardy Study Guide

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Across
  1. 5. uses chemical formulas to model what happens in a chemical reaction
  2. 7. Thermal energy is transferred throughout liquids and gases
  3. 10. chemical equation is __________________ when it has the same number of each type of atom on both sides of the equation
  4. 12. All matter is made up of tiny particles that are in _________________
  5. 13. the ways a substance can undergo changes that form different substances
Down
  1. 1. The ____________________ of a substance are ones that can be observed or measured without changing the substance’s identity.
  2. 2. states that matter cannot be created or destroyed
  3. 3. A ________________ is the process in which the building blocks of matter—atoms—are rearranged to produce different substances.
  4. 4. thermal energy is transferred as particles bump into one another
  5. 6. a number placed in front of a chemical formula to show how many molecules of the substance are
  6. 8. The original substance or substances in a chemical reaction
  7. 9. a number below and to the right of the symbol, shows how many atoms of that element there are.
  8. 11. substance or substances that form in a chemical reaction
  9. 12. A combination of chemical symbols and numbers that represents a single unit of a substance
  10. 14. the transfer of energy through electromagnetic waves