Soil is important for all living things. They are produced from rocks through the processes of weathering. Weathering is caused due to the force of flowing water, wind and changes in weather. We depend on the soil for food, metals, plastic, clothes, petrol, furniture and a number of We depend on the soil for food, metals, plastic, clothes, petrol, furniture and a number of other things around us. Different kinds of plants need a different kind of soil to grow well.

Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 2

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Humus is made from rocks.

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Important Questions on Rocks and Soil

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 2

Clay has the largest rock pieces.

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 2

We depend on the soil for most of our needs.

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 2

The colour of soil depends on the minerals present in rocks.

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 3

Fill in the right word in the puzzle

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a. Rocks are made up of them.
b. A metal that we get from a mineral.
c. It is found in soil and is very important for plants.
d. Soil that cannot hold much water.
e. Soil that can hold water but not air.

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 4

Why do most plants grow well in loamy soil?

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Awareness SCIENCE BOOK 3>Chapter 2 - Rocks and Soil>Exercises>Q 5

What causes rocks to break?

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