Understanding Weathering
This worksheet introduces grade 4 students to the concept of weathering, exploring its causes and effects on Earth's surface.
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Understanding Weathering
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Read each question carefully and answer to the best of your ability. Sometimes, you will need to look at the picture to help you answer.
1. What is weathering?
The movement of rocks and soil by wind and water.
The breaking down of rocks into smaller pieces.
The building up of new landforms.
The process of plants growing in soil.
2. Which of these is an example of physical weathering?
Rust forming on a metal fence.
Acid rain dissolving a statue.
Water freezing and expanding in cracks of rocks.
Plant roots releasing chemicals that break down rocks.
3. The process where rocks are broken down by wind, water, and ice without changing their chemical makeup is called weathering.
4. When rocks change into new substances due to chemical reactions, it is called weathering.
5. Look at the image below. Describe what is happening to the cliff. Is this an example of weathering or erosion? Explain your answer.
6. Plant roots can cause weathering by growing into cracks in rocks and pushing them apart.
True
False
7. Weathering only happens in places with extreme weather conditions.
True
False
Use the words below to complete the sentences.
8. Weathering is the of rocks into smaller pieces.
9. When water freezes in a rock's crack, it causes weathering.