Across
- 5. Vibrations in the air that you can hear.
- 6. The study of how things work and why they happen.
- 7. A form of energy that lets you see things.
- 8. The way things move and change position.
- 10. The ability to do work and make things move.
- 11. A test or activity to see how things work and react.
- 13. A repeating pattern of motion that carries energy.
- 14. A force that attracts or repels objects made of metal.
- 15. The force that happens when things rub against each other.
Down
- 1. An event or thing that can be observed and studied.
- 2. The force that pulls things toward the Earth.
- 3. The force applied to an area.
- 4. A push or pull that makes things move or change.
- 9. Paying attention to something and watching closely.
- 12. The tendency of things to stay still or keep moving.