Waves Communication Analog and Digital Communication

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sign language and written language are examples of signals used to communicate
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Before a signal is sent, it must be decoded.
True
False
Tags
NGSS.MS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do all signals that are used to communicate have in common?
They all involve light waves
They all send information
They all use printed words
They all use a series of sounds
Tags
NGSS.MS-PS4-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of using radio waves to transmit information?
They do not permanently move matter.
They can travel over long distances.
They can be varied to hold information.
They lose energy as they travel through mediums.
Tags
NGSS.MS-PS4-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does noise affect a signal?
It causes the signal to deteriorate
It amplifies the signal
It allows the signal to travel further
It changes the signal as it moves from one medium to another
Tags
NGSS.MS-PS4-2
NGSS.MS-PS4-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which correctly orders the steps of communication using signals?
encode, transmit, decode
transmit, encode, decode
decode, transmit, encode
transmit, decode, encode
Tags
NGSS.MS-PS4-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following does NOT send or receive signals carried by electromagnetic waves
cell phone
radio
talking in person
garage door opener
Tags
NGSS.MS-PS4-3
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