
Understanding the Electrical Grid
Interactive Video
•
Physics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the electrical grid?
To generate electricity
To store electricity
To transport electricity from production to usage points
To convert electricity into other forms of energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a source of steam for electricity generation?
Nuclear energy
Coal
Wind
Biomass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does nuclear energy generate electricity?
By harnessing wind power
By using solar panels
By burning fossil fuels
By splitting atoms to produce heat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of transformers in the electrical grid?
To generate electricity
To convert electricity into heat
To increase voltage for long-distance travel
To store electricity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is voltage increased for electricity transmission?
To store electricity more efficiently
To convert electricity into other forms
To make electricity safer
To reduce electricity loss over long distances
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to electricity when it reaches substations near cities?
It is stored for later use
Its voltage is reduced
It is converted into heat
Its voltage is increased
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What voltage levels are typically used in homes?
5000 and 10000 volts
120 and 240 volts
1000 and 2000 volts
12 and 24 volts
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