Grade 4 Science Practice Test: Renewable and Nonrenewable Energy
- Renewable and Nonrenewable Energy
- 10 questions
- 13 minutes
Some energy resources are replaced by nature quickly, and others take millions of years to form. Think about where each kind of energy comes from.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
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Question 1
Which energy resource is renewable?
Correct answer: D
Wind keeps blowing and will not run out. Coal, oil and natural gas are fossil fuels that are used up.
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Question 2
Which energy resource is nonrenewable?
Correct answer: D
Coal took millions of years to form, so once it is burned it is gone for a very long time. Sunlight, wind and flowing water are renewable.
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Question 3
What were fossil fuels formed from?
Correct answer: B
Coal, oil and natural gas formed over millions of years from buried remains of living things, which is why they are called fossil fuels.
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Question 4
Why are fossil fuels called nonrenewable?
Correct answer: A
People use fossil fuels much faster than nature can make them, so the supply can run out.
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Question 5
What do solar panels change into electricity?
Correct answer: C
Solar panels turn energy from sunlight directly into electricity. Wind turbines use wind.
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Question 6
A dam on a river is used to make electricity. Which energy resource does it use?
Correct answer: A
Water rushing through the dam spins turbines that make electricity. This is called hydroelectric power.
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Question 7
What is one problem with burning fossil fuels for energy?
Correct answer: B
Burning coal, oil and gas releases smoke and gases into the air. This pollution can harm people and the environment.
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Question 8
Which is a limitation of wind power?
Correct answer: A
Wind turbines stop when the air is calm, so they cannot make electricity all the time. Wind itself does not run out or make smoke.
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Question 9
Look at the table.
Where a town gets its electricity Source Units out of every 10 Coal 4 Natural gas 3 Wind 2 Solar 1 How many units out of every 10 come from renewable sources?
Correct answer: C
Wind and solar are renewable: 2 + 1 = 3. The answer 7 adds coal and natural gas, which are nonrenewable.
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Question 10
Which action helps save energy resources at home?
Correct answer: B
Using less electricity means less fuel has to be burned at power plants. The other actions waste energy.
Questions you leave blank are not counted as wrong.
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