Science 7 - Analog Signals, Digital Signals & Static Study Guide
Authored by M. Forman
Science
7th Grade
NGSS covered
Used 2+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a digital signal?
A) Human voice in air
B) Record player
C) Computers
D) Cassette tape
Tags
NGSS.MS-PS4-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: Digital signals are more reliable to encode and transmit signals than ______ signals.
Analog
Electromagnetic
Light
Sound
Tags
NGSS.MS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the appearance of an analog signal in diagrams?
Block wave
Curvy wave
Straight line
Zigzag line
Tags
NGSS.MS-PS4-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an example of an analog signal?
A) Human voice in air
B) Record player
C) Cassette tape
D) Fiber optic cables.
Tags
NGSS.MS-PS4-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: ______ signals use binary code (1s and 0s).
A) Analog
B) Digital
C) Electromagnetic
D) Sound
Tags
NGSS.MS-PS4-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of static electricity?
Light bulb
Rubbing a shoe on the carpet
Fiber optic cable
Digital photo
Tags
NGSS.MS-PS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a non-contact force?
Friction
Gravity
Static electricity
Magnetism
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
NGSS.MS-PS2-4
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