science
Grade-2
Easy
Question
Mushroom rocks are formed by__________.
- Biological weathering
- Ice weathering
- Wind weathering
- None of these
Hint:
Mushrooms rocks are mushroom shaped landforms formed by wind erosion
The correct answer is: Wind weathering
- Mushroom rocks are mushroom shaped landforms found in deserts.
- These are formed due to erasing of rocks by wind .
- Erosive power of wind is high at certain height from the ground hence rocks takes the shape of mushroom.
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Observe the image and read the given sentence.
Near the ocean, a cliff formed.
Which of the following statements best describes how this cliff formed?
Observe the image and read the given sentence.
Near the ocean, a cliff formed.
Which of the following statements best describes how this cliff formed?
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Which type of weathering is present in the image?
Which type of weathering is present in the image?
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Read the sentences and select the correct option.
Sentence I: Freezing and melting are common in desert areas.
Sentence II: Water goes into the cracks and breaks the rocks.
Read the sentences and select the correct option.
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Sentence II: Water goes into the cracks and breaks the rocks.
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_________is responsible for chemical weathering
_________is responsible for chemical weathering
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Volcanos and erosion are fast events that shape the Earth.
Volcanos and erosion are fast events that shape the Earth.
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________ affects the rate of weathering.
________ affects the rate of weathering.
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The process by which rocks are broken down into smaller pieces is called_________.
The process by which rocks are broken down into smaller pieces is called_________.
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Weathering causes__________.
Weathering causes__________.
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Oxygen causes ___________.
- When oxygen combines with other substances it creates compounds called oxides.
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Oxygen causes ___________.
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- Oxygen reacts with rocks and this process is called oxidation.
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_________ is an example of a chemical weathering.
- The disintegration or erosion of rocks by chemical reactions.
- It is caused by rain water reacting with the mineral grains in rocks to form (clays) and soluble salts.
_________ is an example of a chemical weathering.
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- The disintegration or erosion of rocks by chemical reactions.
- It is caused by rain water reacting with the mineral grains in rocks to form (clays) and soluble salts.
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Breaking rock into smaller pieces is an example of _______.
Breaking rock into smaller pieces is an example of _______.
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_________ causes weathering of rocks.
_________ causes weathering of rocks.
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Physical weathering is also called________.
Physical weathering is also called________.
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________ is a slow process that shapes the Earth.
________ is a slow process that shapes the Earth.
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