Across
- 4. smallest element of the periodic table
- 5. times thousand
- 7. unit of energy
- 10. related to heat
- 11. movement of esophagus
- 12. bond by sharing of electrons
Down
- 1. related to water
- 2. located above stomach
- 3. related to light
- 5. energy related to motion
- 6. a gas molecule with two atoms
- 8. energy in stored form
- 9. one in thousand
