4.PS4.3 digital devices use waves
Authored by GREGORY DILLENDER
Science
4th Grade
NGSS covered
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sonography uses ______________, or high-frequency sound waves, to produce images of the inside of the human body.
microwaves
polar waves
light
ultrasound
Tags
NGSS.MS-PS4-1
NGSS.MS-PS4-2
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Select two ways that a person communicating with his or her voice can be compared to radio communication.
A radio transmitter is like a person’s ear because both send and receive information.
A radio transmitter is like a person’s voice because both send information.
A radio receiver is like a person’s brain because both convert patterns into usable information.
A radio receiver is like a person’s voice because both take in usable information.
Tags
NGSS.MS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of waves are used with echolocation?
sound waves
light waves
polar waves
kinetic waves
Tags
NGSS.MS-PS4-1
NGSS.MS-PS4-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do whales, bats, and dolphins use echolocation?
to scare away predators
to orient themselves and find food
to attract mates
to tell other animals where they are
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An echo is heard when sound waves are ______________.
changed in the Doppler effect
absorbed by the material
moving through empty space
reflected from a surface
Tags
NGSS.MS-PS4-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An echo is an example of a sound wave being _________.
transmitted
absorbed
reflected
surfed
Tags
NGSS.MS-PS4-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes how computers send messages?
as patterns of ones and zeros
as light waves through the air
as patterns of sound waves
as Morse code messages
Tags
NGSS.MS-PS4-3
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