"Core Physics topic 4 and 5": HTML5 Crossword

Across

2. The unit of frequency? (5)
5. A part of the EM spectrum used for treating and detecting cancer (9)
7. A part of the EM spectrum used to detected forged bank notes (11)
9. A part of the EM spectrum which can be detected by our skin (8)
10. Radio waves cause an oscillating current in a (15)
12. X-rays and gamma rays are higher frequency than ultra-violet radiation and so transfer more… (6)
16. A light ray crossing a boundary where it slows down will bend.. (16)
18. A part of the EM spectrum used for transmitting radio broadcasts (10)
19. A part of the EM spectrum used to diagnose broken bones (5)

Down

1. A part of the EM spectrum used to cook food from the inside and used in communication (9)
3. The maximum distance of a wave away from its rest position? (9)
4. Radio waves are produced by (11)
6. A light ray crossing a boundary where it speeds up will bend.. (17)
8. The distance between two consecutive peaks on a wave? (10)
11. A piece of equipment used to generate and project an image of water waves (10)
13. When a wave changes direction because its speed has changed whilst crossing a boundary? (10)
14. Ultra-violet can cause what if too much is absorbed by the skin? (7,0)
15. The number of waves produced each second? (9)
17. Too much exposure to high energy radiation can lead to (6)