Investigation crossword puzzle

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Across
  1. 2. describes all matter as tiny particals that are in constant motion
  2. 4. a substance that flows
  3. 6. a body shitfts from one ponit in space to another
  4. 7. a body spins around a fixed point
  5. 9. energy in motion from a foce
  6. 10. are formed via strong metallic bonds
  7. 11. consist of molecules that are held together by the relativly weak intermolecular forces
Down
  1. 1. consist of networks of atoms held together by covalent bonds
  2. 3. an object moves repidly back and forth but stays in a fixed place
  3. 5. is the result of forces between the molecules of gas and the container walls
  4. 8. consist or positively and negativly charged ions held togehter by ionic bonds