What kind of light is that?
Electromagnetic Spectrum
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Question 1 of 19Question 1
Place the types of electromagnetic radiation in order from longest wavelength to shortest wavelength
- Visible light
- Gamma rays
- Microwaves
- Ultraviolet
- Radio waves
- Infrared waves
- X rays
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Question 2 of 19Question 2
Place the types of electromagnetic radiation in order from highest frequency to lowest frequency
- Radio waves
- Gamma rays
- Visible light
- Infrared
- X rays
- Ultraviolet
- Microwaves
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Question 3 of 19Question 3
All objects emit energy in a certain wavelength. What is this wavelength known as?
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Question 4 of 19Question 4
What wavelength of the electromagnetic spectrum has the most energy?
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Question 5 of 19Question 5
Place the parts of the visible spectrum in order from longest wavelength to shortest
- Indigo
- Green
- Red
- Violet
- Blue
- Yellow
- Orange
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Question 6 of 19Question 6
Can electromagnetic waves travel through a vaccum?
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Question 7 of 19Question 7
What kind of waves are electromagnetic waves?
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Question 8 of 19Question 8
Which layer of the Earth’s atmosphere absorbs ultraviolet light?
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Question 9 of 19Question 9
True or false – electromagnetic waves travel at different speeds in different materials?
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Question 10 of 19Question 10
What happens to the speed of light waves when they go from air to water?
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Question 11 of 19Question 11
Waves that pass a boundary between two materials change speed and also change direction. What is this change of direction called?
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Question 12 of 19Question 12
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Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with
CorrectIncorrectUse one of the following words:
amplitude
wavelength
displacement
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Question 13 of 19Question 13
The potential danger associated with an electromagnetic wave increases with?
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Question 14 of 19Question 14
Use the following words to match the correct part of the electromagnetic spectrum. Use each word only once.
Gamma rays, X-rays, radio waves, microwaves, ultraviolet, visible light, infrared
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- Sterilising water:
- Security scanning at airports:
- Long-range communications:
- Treating cancers:
- Photography:
- Thermal imaging:
- Cooking:
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Question 15 of 19Question 15
Drag and drop to match the potential danger with the correct part of the electromagnetic spectrum
- Microwaves
- Ultraviolet
- X and Gamma rays
- Can cause internal heating of our cells
- Skin cancer
- DNA damage
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Question 16 of 19Question 16
No refraction takes place if a wave is travelling along which line?
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Question 17 of 19Question 17
What do we call the boundary between two different mediums?
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Question 18 of 19Question 18
When moving from air to glass, what will happen to a wave’s speed?
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Question 19 of 19Question 19
Which factors does the angle of refraction depend on?
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Learn more about this topic on our page on the Electromagnetic Spectrum.