Across
- 5. _______________ Spectrum
- 8. To see things in the dark we turn on a _____
- 9. _______ light
- 10. We can see our bones by using an ____
- 12. We use this for thermal imaging
Down
- 1. Every wave is measured in ___________
- 2. The first form of electromagnetic radiation
- 3. Energy travels in _____
- 4. Electromagnetic _________
- 6. A kind of wave starting with 'T'
- 7. The _____ of a wave travels fast/slow
- 11. _____ Rays