Across
- 2. radiant energy
- 3. separation of the colours of white light
- 5. living things that emit light
- 6. electromagnetic radiation
- 8. something that emits it’s own light
- 9. different colours that combine to make white light
- 12. objects that do not emit light
- 13. light sent different directions
- 14. can see bones using this
Down
- 1. low energy waves
- 4. complete range of wavelengths
- 7. invisible radiation
- 10. object that emits light when it’s hot
- 11. high energy radiation during a nuclear reaction