[PPT]Electromagnetic Waves - Mr. Slater's Science Class -...
Transcript of [PPT]Electromagnetic Waves - Mr. Slater's Science Class -...
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