Across
- 3. The path an electric current can flow through
- 4. Some light goes through
- 6. Matter that light travels through
- 10. The ability to do work or cause change
- 11. Closed, working circuit
- 14. How electric current travels through a closed circuit
- 17. Something that blocks the flow of energy
- 18. Something you choose to change in your investigation
- 20. Energy that flows through a circuit
- 21. Almost all light goes through
- 23. The path an electric current cannot flow through
Down
- 1. When light bounces off of a surface
- 2. Energy produced by vibrations
- 5. Something that allows energy to flow through it easily
- 7. Open, not working circuit
- 8. Energy of motion
- 9. When light bends as it moves from one medium to another
- 12. Energy related to heat and temperature
- 13. Light goes into
- 15. Energy our eyes detect & energy that always travels in a straight line
- 16. A path that allows electric current to flow through it
- 19. Light goes through
- 22. No light goes through