Across
- Why a stick in water seems crooked.
- Can be seen through clearly.
- A picture formed by light.
- Where the light is absorded or reflected.
- Reflects all incident light.
- The light ray coming in.
- Optical component in glasses and telescopes.
- Allows you to see your reflection.
- Soak up energy (or liquid!).
- Absorbs all incident light.
Down
- Wave bounces from a surface or interface.
- If no light passes through this material it is ....
- All the colours of the rainbow.
- Let a sound or light wave through.
- Allows light to pass, but not clearly.
- What you see in a mirror.
- Another name for a light beam.
- Sparkling, valuable, colourless gemstone.
- The line at right angles to a surface or interface.
- Lenses, windows and prisms can be made of this material.
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