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 WavesElectromagnetic Waves

Electromagnetic Waves

Electromagnetic WavesElectromagnetic Waves

Electromagnetic Waves

Radio WavesRadio Waves

Radio waves

Radio WavesRadio Waves

Radio waves

MicrowavesMicrowaves

Microwaves

MicrowavesMicrowaves

Microwaves

Infrared radiationInfrared radiation

Infrared radiation

Visible lightVisible light

Visible light

EndoscopeEndoscope

Endoscope

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 radiationDangerous radiation

Dangerous radiation

Ultra-violet radiationUltra-violet radiation

Ultra-violet radiation

X-raysX-rays

X-rays

Making X-raysMaking X-rays

Making X-rays

Gamma radiationGamma radiation

Gamma radiation

WordsearchWordsearch

Wordsearch

QuizQuiz

Quiz