Across
- 2. energy in waves
- 4. stored energy and position
- 6. bonds of atoms and molecules
- 7. travels in waves energy
- 10. machines machines that are made up of several simple machines
- 11. fuels plants and animals that died millions years ago
Down
- 1. nucleus of an atom more nuclear
- 3. movement of an object from one place to another
- 5. vibration atoms molecules heat
- 8. living or was living
- 9. motion or waves atoms molecules and sudstances
- 11. push or pull