Across
- 2. the bouncing back of light from a surface like a mirror
- 4. a dark area that forms when an object blocks light
- 5. the process of light being taken in by a material
- 9. a tool that bends white light and separates it into different colors
- 10. what a shiny surface does to light; it bounces it back
- 13. the color an apple appears when it reflects red light and absorbs other colors
- 14. to bend light as it passes from one material into another
- 15. outer area with almost no matter, where light can travel from the sun to Earth
- 17. a smooth, shiny object that reflects light and shows images
- 18. light that comes from the sun or a lamp
- 21. the star that gives Earth most of its light and heat
- 22. how hot or cold something is; can increase when light is absorbed
- 23. the bending of light when it moves from air to water or glass
- 24. a clear piece of curved glass that can bend light to help us see better
Down
- 1. a material that light can pass through easily, like clear glass
- 3. color we see when an object reflects almost all colors of light
- 6. color we see when an object absorbs most or all colors of light
- 7. a material that light cannot pass through, so it makes a shadow
- 8. what light is a form of; it can cause things to warm up
- 11. a material that lets some light through but not all, like wax paper
- 12. what an object is made of; affects how it absorbs, reflects, or refracts light
- 16. what we see when certain wavelengths of light are reflected from an object
- 17. a special kind of lens that makes objects look bigger
- 19. to take in light, often causing an object to warm up
- 20. the substance or material through which light travels (like air, water, or glass)
