particle theory

1234567
Across
  1. 2. its particles move rapidly in all directions
  2. 3. is everything
  3. 5. buffer
  4. 6. is wet
  5. 7. its hard
Down
  1. 1. don't go to the gym
  2. 3. waking and running is ______
  3. 4. tiny balls that make solid liquid and gas
  4. 5. something that is hard to see