Kinetic Theory

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Across
  1. 4. When particles are a medium distance apart and can flow
  2. 7. Each different kind of atom has a different number of protons
  3. 9. The animal that pulls Santa's sleigh (Rudolph!)
  4. 10. Chrismtas socks that hang on the fire place
  5. 11. The smallest unit of matter we can obtain chemically
  6. 13. What does Buddy the Elf say his favorite thing is?
  7. 15. When particles are far apart and move randomly to fill whatever space they are in
  8. 16. When particles have more energy we can measure it as ________
  9. 17. What is hung on the Christmas tree
Down
  1. 1. When a substance changes from liquid to solid
  2. 2. When particles move, they have ________ energy
  3. 3. When particles are packed tightly together (rigid, strong)
  4. 5. Everything around us can be modelled as being made up of _______
  5. 6. When a substance changes from solid to liquid
  6. 8. The name of Santa's wife
  7. 12. When a group of atoms join together they form a _____
  8. 14. The physical nature of a substance