Across
- 2. to take in or soak in
- 6. a material energy can pass through
- 7. energy in waves that can travel through space
- 9. the flow of electricity
- 10. a path for the flow of electricity
- 11. bending of light
- 13. a form of energy from vibrations
Down
- 1. to allow something to pass through
- 3. substance that stops the flow of electricity
- 4. bouncing back of light
- 5. substance that allows electricity to travel
- 8. a push or pull
- 12. force that works against motion