energy science work
Across
- 3. No energy can be created or destroyed
- 5. How much matters in an object
- 7. energy that stores electricity
- 8. comes from the sun
- 10. pulls stuff to the center of earth
- 11. when an object has stored energy
Down
- 1. energy used to make power plants work
- 2. Humans need it for energy
- 4. stored energy that compresses and stretches
- 6. Humans do it by moving
- 9. when stuff falls to the ground
- 12. Heats stuff up