Why Some AM Radio Stations Don't Work at Night
Authored by Ashley Dominy
Science
8th Grade
8 covered
Used 6+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two types of broadcast radio?
AM and FM
AM and PM
FM and PM
AM and EM
Tags
8.PS4.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do AM radio waves travel further at night?
Because the ionosphere disappears at night
Because FM radio waves bounce off the ionosphere at night
Because the sun gives off more radiation at night
Because the wavelength of AM radio waves is longer
Tags
8.PS4.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the wavelength of a station broadcasting at 1000 AM?
300 meters
3 meters
1000 meters
100 meters
Tags
8.PS4.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can FM radio only be picked up within line-of-sight of the broadcast tower?
Because FM radio waves are absorbed by the ionosphere
Because FM radio waves are too short to travel long distances
Because FM radio waves are blocked by buildings and obstacles
Because FM radio waves are only transmitted during the day
Tags
8.PS4.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the broadcasting hours of daytime-only stations during winter?
They increase
They decrease
They remain the same
They become unpredictable
Tags
8.PS4.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many AM radio frequencies are there in the US?
116
540
1700
Thousands
Tags
8.PS4.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of clear-channel status for certain frequencies?
To allow stations to broadcast at full power all the time
To prevent interference between AM and FM radio stations
To limit the number of AM radio stations in a specific area
To increase the range of FM radio waves at night
Tags
8.PS4.3
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
