matter

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Across
  1. 1. it is the fundamental property of all matter
  2. 4. when putting something in a liquid you can't see it but the weight of the thing is added to the liquid
  3. 6. is made of neutrons and protons and are part of the basic chemical elements
  4. 8. theses are one of the two things that form a atom
Down
  1. 1. something that you can't see but is there
  2. 2. atoms are made out of two things neutrons and ...
  3. 3. the molecules move fast
  4. 5. the molecules are loose
  5. 7. the molecules stick together closely