

Understanding Sound and Its Properties
Interactive Video
•
Physics, Science, Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are sound waves primarily composed of?
Magnetic fields
Vibrations
Electric currents
Light particles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does sound travel faster in solids compared to gases?
Gases are heavier
Solids have more densely packed particles
Gases have more energy
Solids have more space between particles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't sound travel through a vacuum?
There are no particles to vibrate
Sound is too fast for a vacuum
Sound is absorbed by the vacuum
Sound is reflected in a vacuum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the wavelength of sound as it speeds up in a denser medium?
It decreases
It remains the same
It increases
It disappears
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which phenomenon occurs when sound waves change speed as they move from one medium to another?
Reflection
Absorption
Refraction
Diffusion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes echoes?
Diffusion of sound
Absorption of sound
Reflection of sound
Refraction of sound
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of the ear converts vibrations into electrical signals?
Eardrum
Cochlea
Semicircular canals
Auditory nerve
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