
Waves and Communication Flashcard
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What causes us to perceive different colors in white light?
Back
Different wavelengths of light cause us to perceive individual colors.
2.
FLASHCARD QUESTION
Front
What type of wave requires a medium to travel?
Back
Mechanical wave.
3.
FLASHCARD QUESTION
Front
What is the visible spectrum?
Back
The range of colors in white light.
4.
FLASHCARD QUESTION
Front
Define a wave.
Back
A disturbance that causes a regular pattern of motion.
5.
FLASHCARD QUESTION
Front
What is refraction?
Back
The phenomenon when a wave changes direction as it passes from one medium to another.
6.
FLASHCARD QUESTION
Front
What is the relationship between wavelength and frequency?
Back
Wavelength and frequency are inversely related; as one increases, the other decreases.
7.
FLASHCARD QUESTION
Front
What is a transverse wave?
Back
A wave in which the motion of the medium is perpendicular to the direction of the wave.
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