Across
- 1. energy comes from the sun.
- 3. keeps planets from free roming.
- 4. is push and pull.
- 7. the remain of dead matter.
- 8. is measure distance divided by time.
- 9. eat producers, or consumers.
Down
- 1. use to measure newtons.
- 2. use to attrack iron felling.
- 5. produce there own food.
- 6. is a fuel made from crops.