Across
- 3. Compound of most biological things.
- 5. Main ingredient in salt.
- 6. Found in bodies of cars.
- 10. Negative charge.
- 12. Found in foods like pork and chocolate.
- 16. The air you breathe.
- 17. Put into most drinks.
- 18. Use to bed used in pennies.
- 19. You put it in pencils.
- 20. Positive charge.
Down
- 1. Used in lasers.
- 2. In dairy products.
- 4. Building block of life.
- 7. Helps sustain life found in compounds.
- 8. In bananas.
- 9. Neutral charge.
- 11. Foul smelling.
- 13. Makes magnets magnetic.
- 14. 14 on periodic table.
- 15. Put in thermometers.