
Understanding Wave Speed and Media Density
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to the speed of mechanical waves when they move from solids to gases?
Back
Speed decreases.
2.
FLASHCARD QUESTION
Front
Why do electromagnetic waves slow down in mediums like water and glass?
Back
Due to the high density of the medium.
3.
FLASHCARD QUESTION
Front
What does the speed of any wave depend upon?
Back
The medium through which it travels.
4.
FLASHCARD QUESTION
Front
In which medium do light waves travel fastest?
Back
A vacuum.
5.
FLASHCARD QUESTION
Front
Which statement is true about the speed of sound waves in different media?
Back
Sound waves are fastest in solids and slowest in gases.
6.
FLASHCARD QUESTION
Front
Define wave speed.
Back
Wave speed is the distance a wave travels per unit of time.
7.
FLASHCARD QUESTION
Front
What is the relationship between medium density and wave speed?
Back
Generally, higher density mediums slow down wave speed.
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