Across
- 2. Visible light is part of the electromagnetic _______.
- 5. Filters that allow only a specific type of light to pass through it are called ________.
- 7. A crisp shadow made by an object that is close to the surface.
- 8. _______ is the only thing you see.
- 11. This type of shadow is "hazy" because light begins to fill in the outer edges of the shadow.
- 13. Glass is opaque to ultraviolet because it matches the natural frequency of the electrons causing ________ to occur.
- 14. The atmosphere is transparent to __________ radiation otherwise, we'd be very cold.
- 15. If you want to eliminate the glare from the lake when you're out on a boat, you should wear this type of polarized glasses.
Down
- 1. You might use this type of electromagnetic radiation to see a broken bone.
- 3. All EM radiation comes from ___________ vibration.
- 4. This is the type of electromagnetic radiation that is the highest frequency/energy.
- 6. The type of radiation that is just above our visible light.
- 9. The opposite of transparent.
- 10. When light or any other type of EM radiation can pass through something.
- 12. You might use this type of electromagnetic radiation to heat up your leftovers.