ICSE ICSE Class 7 - CISCE Question Bank Solutions

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Solar cells use the power supplied by the ______.

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Coal, petroleum, and natural gas are _________fuels.

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_______is the coal with the highest percentage of coal.

Choose the correct answer.

Windmills have been used for many centuries in

Choose the correct answer.

The coal that has the highest percentage of carbon is

State whether the following is True or False.

Coal and petroleum are renewable energy resources.

State whether the following is True or False.

Renewable energy resources have limited supply in nature.

State whether the following is True or False.

China, the USA, and Spain are major producers of wind energy.

State whether the following is True or False.

Coal takes millions of years to form.

State whether the following is True or False.

The Sardar Sarovar Dam is built on the river Narmada.

What are renewable energy resources?

What is the main difference between renewable and non-renewable energy resources?

What are fossil fuels?

Name a few major producers of petroleum in the world.

Give an account of the use of solar energy.

What do you know about wind energy? 

Describe the four major types of coal.

Write a short note on nuclear power.

Why is Antarctica considered to be a desert?

Antarctica is a far more dynamic place than anyone could have imagined a century ago. Why?