Sound, Media & Wave Speed Mod L Unit 1 Lesson 2
Presentation
•
Science
•
7th Grade
•
Medium
Standards-aligned
Janette Boland
Used 8+ times
FREE Resource
5 Slides • 10 Questions
1
2
3
4
Multiple Choice
We hear sound when the _________ hit each other and pass on the ________
vibrations, particles
particles, sound
sound, vibrations
particles, vibrations
5
Multiple Choice
Sound needs a ______ for its propagation.
transmitter
medium
sound
6
Multiple Select
What are some mediums that sound needs to propagate. Check all that apply.
solid
liquid
gas
a vacuum
7
8
Multiple Choice
Sound travels slower than light in air.
True
False
9
Multiple Choice
Why does sound travel slower in air (gases)?
the particles are closer together.
the particles are farther apart than solids or liquids.
10
Multiple Choice
Why does sound travel faster in water than in air and travel further?
Particles are closer together in water than gas.
Particles are closer together than in a solid or liquid.
Particles are farther apart in water than in air (gas).
11
Multiple Choice
The particles in a solid are _______ packed.
tightly
loosely
12
Multiple Choice
In which medium do sound waves travel the fastest?
liquid
solid
gas
vacuum
13
14
Multiple Select
Why can't you hear anything in outer space? Check all that apply.
There is not medium for sound to travel.
There is no matter in space.
Space is a vacuum.
Sound travels in space.
15
Multiple Choice
How fast sound travels depends on the
medium
sound made
maximum
Show answer
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