Across
- 4. The ability to do work or cause change.
- 5. A form of energy we can hear.
- 6. A form of energy measured by temperature.
- 9. The distance above the ground.
- 11. A repeating up-and-down or back-and-forth movement of matter.
- 12. Rapid back and forth movement that produces sound.
Down
- 1. A collection of things that work together.
- 2. The distance an object moves per unit of time, such as miles per hour.
- 3. A form of energy that we can see.
- 7. Energy of motion.
- 8. The energy an object has because it is moving.
- 9. The energy of moving particles in matter, measured in degrees.
- 10. Stored energy.
