Vocabulary Review

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Across
  1. 3. evidence of a chemical reaction when a solid is formed
  2. 5. represents an element usually one capital letter or one capital and one lowercase
  3. 7. heat energy
  4. 9. made of liquid iron and nickel
  5. 10. smallest unit of life
  6. 13. solid ice melting into liquid water
  7. 16. the boundary of two plates moving away from each other
  8. 18. type of rock formed from the cooling and hardening of magma
  9. 21. the process of burning
  10. 23. mass divided by volume
Down
  1. 1. this type of boundary created earthquakes
  2. 2. more than one type of element chemically combined
  3. 4. energy changing from one form to another
  4. 6. typically hard, shiny and malleable
  5. 8. sum of all the forces acting on an object
  6. 11. distance divided by time
  7. 12. energy of motion
  8. 13. the state of being a solid but acting like a liquid
  9. 14. heat transfer when objects are touching
  10. 15. the type of cell that contains a nucleus
  11. 17. found on the periodic table
  12. 19. SI unit of force
  13. 20. energy that is released from atoms
  14. 22. amount of matter