Physical Science 3.1+3.4 Vocab

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Across
  1. 1. To strike a surface and bounce back in the opposite direction
  2. 5. Curved inward
  3. 6. Curved piece of material that bends light as it passes through
  4. 7. Triangular piece of glass that can separate white light into different colors
  5. 10. Curved outward
  6. 11. Distance between one peak and the next on a wave
  7. 12. Point where light rays come together
Down
  1. 2. Describes materials that allow some light but can not be seen through
  2. 3. To direct light at one point
  3. 4. Describes materials that can be seen through
  4. 8. To bend light as it passes through a material
  5. 9. Membrane at the back of the eye onto which focused light falls