Across
- 5. smallest planet
- 8. an scientific prediction
- 9. holds liquid
- 10. opposite of walking
- 11. no drinking and __________ in the lab
- 13. something that produces fire
- 14. number one on the periodic table
- 15. biggest planet
Down
- 1. something that is proof
- 2. the study of fossils
- 3. the centre of an atom
- 4. anything mass occupies
- 6. died of radiation poison
- 7. something people and science have
- 12. it protects you clothes