science
Grade-2
Easy
Question
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?
- The rock melted due to the warm air.
- The rock was evaporated by the sun's rays.
- The ocean waves washed away the rock.
- The rock was pushed away by plant roots.
Hint:
The given image shows the cliff which is formed when waves washes away the rock
The correct answer is: The ocean waves washed away the rock.
- Sleepy rocky coast standing vertically along the sea shore is called cliff.
- These are formed due to sea waves that washes away the part of rock with them
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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.
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________ affects the rate of weathering.
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The process by which rocks are broken down into smaller pieces is called_________.
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_________ 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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Which of the following is also called the blue planet?
Which of the following is also called the blue planet?
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