Across
- 4. Makes a car run
- 6. The company
- 8. the third state of matter
- 9. clean energy
- 10. number 8 on the periodic table
Down
- 1. the first element on the periodic table
- 2. number 6 on the periodic table
- 3. a storage device
- 5. Humans do it to much
- 7. used by the human body daily
