light waves

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Across
  1. 4. A lens that curves outward and focuses light together.
  2. 8. A small particle that carries light energy.
  3. 9. A mirror that curves outward and makes images smaller.
  4. 13. Light reflecting off a rough surface and scattering in many directions.
  5. 15. Lets some light pass through, but not clearly.
  6. 17. A dark area where light is blocked by an object.
  7. 18. A mirror that curves inward and can focus light.
  8. 19. Lets light pass through clearly so you can see through it.
  9. 20. When light waves move in only one direction.
Down
  1. 1. A lens that curves inward and spreads light apart.
  2. 2. The splitting of light into different colors.
  3. 3. Reflection – Light reflecting off a smooth surface in one direction, like a mirror.
  4. 5. When light bends as it passes through different materials.
  5. 6. Does not let light pass through at all.
  6. 7. The point where light rays meet or come together.
  7. 10. When light bends around edges or openings.
  8. 11. A straight line showing the path light travels.
  9. 12. Spectrum The range of all types of light energy, from radio waves to gamma rays.
  10. 14. When light bounces off a surface.
  11. 16. Wave A wave of energy that travels through space, like visible light.