Across
- 2. to take in or soak up energy or liquid.
- 5. allowing light but not detailed shapes to pass through.
- 7. an arch of colours in the sky.
- 9. to pass through or pass on.
- 11. not able to see through.
Down
- 1. reflecting or giving off light.
- 3. to throw in various, random directions.
- 4. heat or light or sound is thrown back without absorption.
- 6. when water, air or glass changes direction when it enters at an angle.
- 8. able to see through clearly.
- 10. a dark area where from light from a light source is blocked by an opaque object.