Across
- 4. Wood burning is an example of
- 5. ___is a renewable resource
- 8. Food converts for use in
- 9. ____increased as the spring was compressed
Down
- 1. A rock rolling down a hill
- 2. Vehicles move due to
- 3. Due to ___,energy is never created or destroyed
- 6. Insulating a home is
- 7. Water from lakes is a nonliving
- 10. Two or more forces combined