ICSE ICSE Class 7 - CISCE Question Bank Solutions

Discuss the importance of rocks for the construction business.

Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?

Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?

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Granite is an example of intrusive ________ rocks.

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A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.

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Conglomerate is an example of _____________ rocks.

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Sedimentary rocks are formed from _____________ accumulated over long periods.

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Sedimentary rocks such as limestone change into ___________.

Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.

Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.

Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma

Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.

Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.

1. Identify the four types of clouds shown in the photographs.
2. Which of these causes heavy rainfall?

This could be a classroom activity. If your school laboratory has an anemometer, use it to record your city’s wind speed for a week. Use the Beaufort Scale to find out the character of wind during these days. Record your observations carefully in your notebook. You could even draw small neat sketches to show the effect of the wind.

What is crust?

Differentiate between SIAL and SIMA.

State two characteristics of the mantle.

What is the difference between the inner and the outer core?

What are minerals?