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Sound Energy
Test Description: Light and sound.
Instructions: Answer all questions to get your test result.
1) Which best describes compression in a wave?
A
Intensity of wave measured by height.
B
Groups of molecules in a wave are squeezed together.
C
Number of waves in a specific time.
D
Distance from one wave to another.
2) Which item will sound travel through the slowest?
A
Bucket
B
Desk
C
Cloud
D
Water
3) Which statement describes a compression wave in motion?
A
The light rays coming from the sun.
B
The waves in the ocean.
C
The sound waves coming from a stereo.
4) Sound is a type of mechanical energy that is transmitted in the form of-
A
heat
B
light
C
electrons
D
waves
5) Which of these transmits sound the fastest?
A
A metal rod
B
Air in a balloon
C
Water in a pool
D
Empty space
6) During a thunderstorm, you see the lightning before you hear thunder. This is because-
A
light travels faster than sound
B
sound and light travel at the same speed
C
light has a greater mass than sound
D
sound has longer wavelengths than light
7) A student uses a depth finder when driving his boat to make sure he is not driving in shallow water. What technology does a depth finder use?
A
Pitch
B
Decibels
C
Amplitude
D
Sonar
8) How do you measure wavelength in sound waves?
A
You measure the sound wave with a ruler.
B
You measure the distance from compression to compression or rarefaction to rarefaction.
C
You measure the distance from the top crest to the trough.
D
You measure the distance from crest to crest or trough to trough.
9) How do you measure the wavelength in light waves?
A
You measure the light wave with a ruler.
B
You measure the distance from the top crest to the trough.
C
You measure the distance from crest to crest or trough to trough.
D
You measure the distance from compression to compression or rarefaction to rarefaction.
10) The number of sound waves produced over a certain period of time is-
A
ranges
B
compressions
C
frequency
D
pitch
*select an answer for all questions
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