Chemical reactions

1234567891011121314151617181920
Across
  1. 2. a structure made by repeating groups of atoms that link together in a large network
  2. 5. the energy of motion
  3. 8. the temperature when a liquid changes into a substance
  4. 12. a relative size of things
  5. 13. letters and numbers showing the types and number of atoms that repeat to make up a substance
  6. 16. to change the position of something
  7. 17. a thing that helps us understand something
  8. 20. a group of atoms arranged in a particular way
Down
  1. 1. power\energizes something
  2. 3. a substance that is added to help plants grow
  3. 4. an ending substance from a chemical reaction
  4. 6. a reaction that realeases stored energy
  5. 7. a reaction that takes energy from its surroundings
  6. 9. a transition when a solid, liquid, or gas changes to a solid, liquid, or gas
  7. 10. something that is made from groups of atoms
  8. 11. a starting substance that is part of a chemical reaction
  9. 14. a form of resistance when you rub two things together
  10. 15. able to cause damage
  11. 18. these things make up everything
  12. 19. the temperature in which a solid changes to a liquid