8th Grade Midterm Review Energy Changes and Chemical Reactions

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Across
  1. 1. substance that dissolves to form a solution
  2. 3. a chemical reaction that releases energy
  3. 5. substances present before a chemical reaction
  4. 8. larger or largest part of a solution
  5. 9. produces hydroxide ions in water
  6. 10. used to slow the rate of reactions such as food spoiling
  7. 11. produces hydronium ions in water
  8. 12. small amount of solute in a given amount of solvent
  9. 14. minimum amount of energy required to start a reaction
Down
  1. 2. speeds up reactions in living cells
  2. 3. a chemical reaction that absorbs thermal energy
  3. 4. large amount of solute in a given amount of solvent
  4. 6. another name for a homogeneous mixture
  5. 7. a measure of how fast a reaction occurs
  6. 13. substances present after a chemical reactions
  7. 15. turns different colors in an acid or base