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Light
A special kind of wave!
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Light is only one of a whole family of useful waves!
RadioMicrowavesInfra-RedVisible Visible lightlightUltra-violetX-raysGamma rays
Next?.........
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One wave we can see!
• Light is only one small part of a whole range of waves called the electromagnetic spectrum
Gamma rays
X-rays ultraviolet
VisiblVisible e lightlight
infrared
microwaves
radio waves
Short wavelength long wavelength
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Remember the waves in electromagnetic spectrum?
• Use this phrase to help you…
RabbitsMateInVeryUnusualeXpensiveGardens
Radio waves
Microwaves
Infra red
Visible light
Ultra violet
X rays
Gamma rays
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Visible light
Light that we can see can be split up as it passes through a prism.
We can then see these different colours known as the visible visible spectrum.spectrum.
Visible light is only a very small part of the electromagnetic spectrum
A rainbow is formed when light is split up as it passes through raindrops.
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Can you remember the spectrum colours?
RedRed GreenGreenOrangeOrange YellowYellow BlueBlue IndigoIndigo VioletViolet
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Where does visible light fit in?
Gamma rays
X-rays ultraviolet
VisiblVisible e lightlight
infrared
microwaves
radio waves
Notice where ‘violet’ light is?.... Next to Ultra violet rays!
Notice where ‘red’ light is?.... Next to Infra red rays!
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Time to test yourself!
• You have seen that visible light waves are only one small part of a range of useful waves called the electromagnetic spectrum
• There are seven types of waves in the electromagnetic spectrum – remember the rabbit rhyme?
• Visible light can be split into seven colours – called the visible spectrum – remember ROY G BIVNow try this test…..
..or go back to the beginning if you are not sure………