Electromagnetic Spectrum
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
2.
FLASHCARD QUESTION
Front
What happens to frequency as wavelength decreases?
Back
As the wavelength decreases, the frequency increases.
3.
FLASHCARD QUESTION
Front
What is amplitude in a wave?
Back
Amplitude is the height of the wave from the rest position, indicating the wave's energy.
4.
FLASHCARD QUESTION
Front
Which electromagnetic waves are used in heat lamps?
Back
Infrared rays are used in heat lamps.
5.
FLASHCARD QUESTION
Front
What type of electromagnetic wave has the longest wavelength?
Back
Radio waves have the longest wavelength and the lowest frequency.
6.
FLASHCARD QUESTION
Front
What is the relationship between frequency and energy in waves?
Back
Higher frequency waves have higher energy, while lower frequency waves have lower energy.
7.
FLASHCARD QUESTION
Front
What are microwaves used for?
Back
Microwaves are used in cooking and in communication technologies.
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