Mr:Chens , force from lab with food
Across
- 2. energy stored in chemical bonds,in an object
- 6. we can call collide
- 8. moving electrical charge
- 9. energy that travels in waves
Down
- 1. we call divide or divorce
- 3. energy of motion or position
- 4. moving through the substance in waves
- 5. faster they move more hot energy
- 7. most powerful PE
- 10. slide or pass each other