Across
- 3. A force made in space that attracts objects to one another
- 5. Movement of atoms and particles when they are hot
- 6. A force that causes things to move
- 7. The speed of something in a given direction
- 8. An energy that makes us able to hear, mostly moved by waves
- 13. Movement of an object
- 14. Amount of matter in a certain thing
- 15. The energy of an object in motion or motion
- 16. the energy contained within a system that is responsible for its temperature
Down
- 1. Energy cannot be created, nor destroyed
- 2. An energy that makes us able to see things
- 4. Energy before an action occurs
- 9. The ability of a deformed material body to go back to it's regular state
- 10. a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons
- 11. the power an atom's charged particles have to cause an action or move an object
- 12. what holds the atoms in a molecule together