8th Grade Science review 1

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Across
  1. 3. Used to represent systems that are to large or to small to see.
  2. 7. A possible explanation or answer for a problem or question.
  3. 9. When something is given off.
  4. 12. The measurement of the average kinetic energy of molecules in a material.
  5. 13. To take something in.
  6. 14. Information gathered by an investigation.
  7. 16. Used to support or refute a claim.
  8. 17. Where light originates from.
  9. 18. Used to convince someone of something.
  10. 19. The substances after a chemical reaction occurs.
Down
  1. 1. The substances before a chemical reaction occurs.
  2. 2. What atoms do during a chemical reaction.
  3. 4. Stored Energy.
  4. 5. H on the periodic table of elements.
  5. 6. The energy of movement.
  6. 8. When energy is changed from one type to another.
  7. 10. A guess at what might happen.
  8. 11. When energy moves from one place to another.
  9. 15. The ability to cause movement or change.
  10. 16. A pure substance that only made of one type of atom.