Across
- 3. Substance that can be split up into simpler substances, since it contains the atoms of two or more elements joined together.
- 4. two or more substance jumbled together but not joined
- 5. unit of energy
- 8. a specialized cell that transmits electrical and chemical signals in the nervous system
- 9. It's a long, hollow tube that extends from the larynx down into the chest
- 10. a naturally occurring, heavy, radioactive metal. and primarily known for its use as a fuel in nuclear reactors and also for its role in nuclear weapons.
- 12. somethings that needed to make things happen or change
- 13. a type of fuel made from recently living organisms, such as plants or animal waste
- 14. a substance that turns litmus red(ph less than 7
Down
- 1. to change from the liquid state to the gas state
- 2. get rid of waste
- 6. a wire that was green or yellow for safety
- 7. you can bend the material without breaking it
- 11. a material such as iron that is attached to a magnet
- 14. the unit for measure current