Across
- 3. electric field and magnetic ____ produce electromagnetic wave
- 6. type of EM waves used in radars
- 9. microwaves can penetrate the atmosphere of the _____
- 10. most ____ waves are invisible to the eye but detectable
- 11. rays carry the highest amount of energy
- 12. the colour with the longest wavelength in the visible spectrum
- 13. the acronym of ranging detection radio
- 14. all x-rays are dangerous because they can damage healthy living ____ of the body
Down
- 1. infrared and UV rays lie at the end of the ______ spectrum
- 2. property that spells the difference between infrared and UV radiation
- 4. sometimes called "heat rays"
- 5. most EM waves are invisible to the eye but ______
- 7. UV _____ carries more energy than the others
- 8. UV radiation is used for _____ water