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