Choose the best answer.

Which is the most useful effect of weathering?

• Formation of new rock

• Formation of rock formation

• Formation of soil

• Formation of new road

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What will happen to a rock when it exposed to higher temperature?

• expands

• evaporates

• contracts

• sinks

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All are human activities that causes weathering EXCEPT one.

• People mining

• People sailing

• People quarrying

• People constructing road

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Maxene observed small plants growing between cracks in rocks. What will happen to these rocks if plant keeps on growing?

• The rocks will stay the same.

• The rocks will break.

• The rocks will not change.

• The rocks will break and change.

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How does water contribute to the weathering of the rock?

• water causes the rock to melt

• water dissolves the rock

• water soften rocks and breaks into pieces

• flowing water can slowly wash away the surface of the rocks

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What refers to the proccess of breaking down of rocks into smaller pieces?

• erosion

• landslide

• tsunami

• weathering

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How do animals break down rocks?

• animals step on the rocks

• use of their hooves and horns

• acid from dead animals weaken rocks

• all of the above

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This is an agent of weathering that can be controlled.

• animals

• people

• water

• plants

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Which causes weathering in the desert?

• water

• people

• temperature

• animals

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Which is NOT true about weathering?

• Weathering shapes the earth’s surface.

• Weathering is the transfer of rocks particles.

• Weathering is a natural process.

• Weathering is breaking of rocks