Electromagnetic Waves Flashcard

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are electromagnetic waves?
Back
Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields.
2.
FLASHCARD QUESTION
Front
Which type of electromagnetic wave has the longest wavelength?
Back
Radio waves have the longest wavelengths in the electromagnetic spectrum.
3.
FLASHCARD QUESTION
Front
Which type of electromagnetic wave can be seen with the unaided eye?
Back
Visible light is the only type of electromagnetic wave that can be seen without any aid.
4.
FLASHCARD QUESTION
Front
What type of electromagnetic wave has shorter wavelengths than visible light?
Back
Ultraviolet rays have shorter wavelengths than visible light.
5.
FLASHCARD QUESTION
Front
What type of electromagnetic wave has higher frequencies than microwaves?
Back
Infrared rays have higher frequencies than microwaves.
6.
FLASHCARD QUESTION
Front
What is the relationship between wavelength and frequency in electromagnetic waves?
Back
As the wavelength of an electromagnetic wave decreases, its frequency increases.
7.
FLASHCARD QUESTION
Front
Which type of electromagnetic wave is used in microwave ovens?
Back
Microwaves are used in microwave ovens to heat food.
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