
How Does the Power Grid Work?
Interactive Video
•
English
•
2nd Grade
•
Practice Problem
•
Hard
Standards-aligned
Shamil Teacher
FREE Resource
Standards-aligned
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true?
A benefit of renewable energy such as wind or solar is that the energy generated is stored and we can use it whenever we want.
Energy on our grid system that powers our homes, schools and businesses is energy that was just produced seconds earlier. Energy on the grid is not stored. It is used as it is generated.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrical grids service the North American continent?
2
3
4
3.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the three components of the power grid?
Evaluate responses using AI:
OFF
4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the purpose of a transformer?
Evaluate responses using AI:
OFF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cylindrical object on the power pole and what is its purpose?
It is a battery, and it stores energy in case of an outage.
It is a transformer, and it "steps-down" high voltage electricity to low voltage to make it safe for residential use.
It is a tools and spare parts storage unit for the people who work on the power lines.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is true about power QUALITY.
It has to be an even flow without a lot of spikes that can ruin the things it is powering.
It has to always be maintained at the highest voltage.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In engineering, "redundancy" is the inclusion of extra components which are not strictly necessary to functioning, in case of failure in other components. There is redundancy built into the power grid for the purpose of...
making it RELIABLE.
ensuring power QUALITY
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