Across
- 1. behavior of visible, ultraviolet, infrared light
- 3. take in or soak up
- 4. plant-like living things that can make food from sunlight
- 8. water vapor frozen into ice crystals
- 9. throw back (heat, light, or sound)
Down
- 2. the exterior of an object
- 5. huge mass of ice that moves slowly over land
- 6. frozen water
- 7. move quickly up, back, or away from a surface after hitting it
- 8. an investigation or examination of something
- 10. stimulates sight and makes things visible