light vocab

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Across
  1. 5. Wave a wave made of vibrating electric and magnetic fields that can travel through space.
  2. 6. a dark area where light is blocked by an object.
  3. 10. Lens a lens that curves outward and focuses light to a point.
  4. 11. allows some light through but scatters it so objects look blurry.
  5. 13. Lens a lens that curves inward and spreads light apart.
  6. 14. Ray a straight-line path showing the direction light travels.
  7. 16. does not let light pass through.
  8. 17. restricting light waves to vibrate in one direction.
  9. 18. allows light to pass through clearly so objects can be seen.
  10. 20. Point the point where light rays meet or appear to meet after reflection or refraction.
Down
  1. 1. Mirror a mirror that curves outward and spreads light out.
  2. 2. Reflection light reflecting off a smooth surface in one clear direction, forming an image.
  3. 3. Mirror a mirror that curves inward and focuses light.
  4. 4. the spreading of light into different colors based on wavelength.
  5. 7. a tiny packet of light energy.
  6. 8. the bending and spreading of waves around openings or edges.
  7. 9. the bouncing of light off a surface.
  8. 12. Spectrum the full range of all types of electromagnetic waves, from radio waves to gamma rays.
  9. 15. Reflection light reflecting in many directions off a rough surface.
  10. 19. the bending of light as it passes through different materials.