EASY
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Identify the power station that uses a non-renewable source of energy.

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Important Questions on Energy

EASY
Write the name of one alternate source of energy.
MEDIUM
What are the disadvantages of fossil fuel? Explain in brief.
HARD

Find the correct statement.

EASY

A non-renewable resource is a natural resource. It can be replaced by natural process at a rate equal to or faster than its rate of consumption by humans.

Read this statement and say whether it is correct or incorrect. If it is incorrect, give the correct statement.

EASY
State the energy changes in the case of a ceiling fan while in use.
EASY
Which of the following is not an example of a bio-mass energy source?
MEDIUM
List the disadvantages of using fossil fuels.
EASY
State the energy changes in the case of an electric iron while in use.
EASY
What is meant by renewable and non-renewable sources of energy? Give one example of each
MEDIUM

How are coal and petroleum formed?

EASY
Name five things we get from petroleum.
EASY

Correct the following sentence by changing the underlined word.

Coal and petroleum are recyclable resources.

EASY
Petrol and coal are renewable resources.
EASY
Minerals are chemical substances that are man-made.
EASY

Soil is a non-renewable resource. Give reason.

HARD

Recall and complete the following concept map.

Question Image      

 

EASY

Correct the following sentence by changing the underlined word.

Ores are the building blocks of all rocks.

EASY

Select the correct options that represent coal and hydropower respectively.

Source of energy

Renewable

Non-renewable

Fossil fuel

Solid

Liquid

A

X

X

B

X

X

C

X

X

X

D

X

X

HARD
Describe the various uses of minerals.
EASY
Where does the wax come from?