Across
- 3. small plastic prisms that change lights direction by 180 degrees
- 5. angle of incidence that produces angle of refraction of 90 degrees
- 6. a setting on your car so that the headlights of the car behind isn't too bright
- 8. glass prisms can also change ____ of light
- 10. made out of glass cords which light can travel through
- 12. some light reflects while some refract
- 15. the total internal reflection only works when the first medium is ___ than the second
- 19. blurriness in air above any hot surface
- 20. created by sunlight refracting on raindrops
Down
- 1. when angle of incidence is greater than the critical angle
- 2. in order to see a rainbow, the sun must be ___ you
- 4. bright spots beside the sun, when ice crystals refract sunlight
- 7. when white light gets split into different colors, this is called
- 9. air is ___ than water, so light will travel faster in air than in water
- 11. also known as media or substance
- 13. once the angle of incidence is reached, it doesn't refract it___
- 14. when the object is deeper than it seems
- 16. when light changes directions once it reaches a different medium
- 17. a glass object to separates colors for white light
- 18. when air temperature is uneven causing a reflection