Wave Properties Quiz

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Kendra Castelow
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Imagine you're at the beach, observing waves. How can you calculate the speed of these waves?
Add the wavelength of a wave to the time period between waves.
Divide the time period between waves by the wavelength of a wave.
Divide the wavelength of a wave by the time period between waves.
Multiply the wavelength of a wave by the time period between waves.
Answer explanation
The speed of a mechanical wave can be calculated by dividing the wavelength by the period.
Tags
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is another measure of wavelength in the context of ocean waves?
distance from Peak A to Trough D
distance from Peak A to Crest C
distance from Trough B to Crest C
distance from Peak A to Peak B
Answer explanation
Another measure of wavelength is the distance from A to D.
Tags
NGSS.MS-PS4-1
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Imagine you're on a spaceship far from any planet or star. What is one way that electromagnetic waves differ from mechanical waves in this scenario?
Electromagnetic waves move slower in space.
Electromagnetic waves are longitudinal in space.
Electromagnetic waves can travel through the empty space around the spaceship.
There is no difference between electromagnetic and mechanical waves, even in space.
Answer explanation
Electromagnetic waves differ from mechanical waves because they can travel through empty space, while mechanical waves require a medium to propagate.
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Max is playing his guitar in the park. As he strums a chord, his friend Alex hears the sound from a distance. What does the vibration of the guitar strings have in common with the sound waves reaching Alex?
Both the vibration of the strings and the sound waves progress through a medium.
Both the vibration of the strings and the sound waves displace particles permanently.
Neither the vibration of the strings nor the sound waves were caused by vibrations.
Neither the vibration of the strings nor the sound waves transfer energy between particles.
Answer explanation
Both kinds of waves progress through a medium, as ocean waves move through water and sound waves move through air.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
During a calm sea, what is the name of the lowest point between two waves?
crest
trough
amplitude
rest position
Answer explanation
The lowest point of a wave is called the trough, so the correct answer is trough.
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
During a concert, how can you tell that the sound coming from the speakers is a mechanical wave?
The sound from the speakers causes air to vibrate.
The sound was produced by electronic equipment.
The sound leads to the creation of additional air particles.
The sound vibrates perpendicular to the direction it travels towards the audience.
Answer explanation
The sound wave causes vibration in air, which is a characteristic of mechanical waves.
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
At a concert, two fans, Alice and Bob, are standing 20 m and 40 m away from the stage where a guitarist, Charlie, is performing. Bob, who is further away, comments that the guitar sounds quiet compared to Alice's experience. What best explains the different experiences of Alice and Bob?
The energy of the sound wave increased as it moved away from the source.
The energy of the sound wave decreased as it moved away from the source.
The energy of the sound wave remained the same as it moved away from the source.
The energy of the sound wave increased, then decreased as it moved away from the source.
Answer explanation
The energy of the sound wave decreased as it moved away from the source.
Tags
NGSS.MS-PS4-1
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