Matter and Energy

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Across
  1. 4. the smallest unit of matter
  2. 6. the energy from breaking and making bonds between atoms
  3. 9. the motion of molecules in a substance, which creates heat
  4. 11. everything that has mass and takes up space
  5. 12. state of matter where molecules move around a lot and are very far apart
  6. 13. state of matter where molecules are packed close together and do not move around a lot
Down
  1. 1. the mass of a substance divided by its volume
  2. 2. two or more atoms bonded together
  3. 3. one type of energy transforms into another type of energy
  4. 5. state of matter where molecules are spread farther apart and move around more
  5. 7. one type of energy is transferred between different objects
  6. 8. the smallest part of a living thing that can survive by itself
  7. 10. a measure of the total amount of atoms in a substance