wave
Flashcard
•
English
•
4th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a wave?
Back
A wave is a disturbance that travels through space and matter, transferring energy from one place to another.
2.
FLASHCARD QUESTION
Front
What are the two main types of waves?
Back
The two main types of waves are mechanical waves (which require a medium, like sound waves) and electromagnetic waves (which do not require a medium, like light waves).
3.
FLASHCARD QUESTION
Front
What is a mechanical wave?
Back
A mechanical wave is a wave that requires a medium (solid, liquid, or gas) to travel through.
4.
FLASHCARD QUESTION
Front
What is an electromagnetic wave?
Back
An electromagnetic wave is a wave that can travel through a vacuum and does not require a medium, such as light.
5.
FLASHCARD QUESTION
Front
What is wavelength?
Back
Wavelength is the distance between two consecutive crests or troughs in a wave.
6.
FLASHCARD QUESTION
Front
What is frequency?
Back
Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).
7.
FLASHCARD QUESTION
Front
What is amplitude?
Back
Amplitude is the height of a wave from its rest position to its crest or trough, indicating the energy of the wave.
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