1. 1.All electromagnetic waves travel at the same speed through space (the speed of light) 2.Gamma rays, X-rays, Ultra-violet waves, Light, Infra-red rays, Microwaves, and Radio waves are all electromagnetic waves with different wavelengths 3.Some substances absorb EM waves, some reflect them and others transmit them Electromagnetic Waves

3. Radio Waves Radio waves

4. Radio Waves Radio waves

5. Microwaves Microwaves

6. Microwaves

7. Infrared radiation

8. Visible light

9. Endoscope Endoscope

10. 1.X-rays and Gamma rays pass through soft tissues but some is absorbed by cells 2.High doses of UV rays, X-rays and Gamma radiation can kill cells. Smaller doses can causes cells to become cancerous Dangerous radiation

11. Ultra-violet radiation

12. X-rays X-rays

13. Making X-rays

14. Gamma radiation

15. Wordsearch Wordsearch

16. Quiz Quiz