8th Grade AMI 3 (PEAK Unit 3 Vocab)

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Across
  1. 4. lab technique for separating a mixture
  2. 5. a solid material produced from a chemical reaction
  3. 7. two or more substances that are not chemically combined
  4. 9. burning something
  5. 11. a scale, ranging from 0 to 14, that shows the percentages of Hydrogen Ions that can be either given of or accepted
  6. 13. technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid
  7. 14. a large number at the beginning of a chemical formula showing the number of a molecule
Down
  1. 1. a chemical reaction which absorbs heat energy thereby feeling cooler after the reaction takes place
  2. 2. a chemical reaction which gives off heat energy thereby feeling warmer after the reaction takes place
  3. 3. the state in a chemical reaction when the concentrations of reactants and products are equal
  4. 4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. 6. a reaction in which a compound breaks down into two or more simpler substances
  6. 8. the small number that is set slightly below the normal line of type showing the number of an element's atoms in a molecule
  7. 10. when a chemical reaction gives off visible light
  8. 12. removing solid particles from a liquid