(1) Weathering and Soil: Earth's Natural Breakdown and Renewal

Multiple Choice

Which of the following is an example of weathering you might observe in everyday life?

• Cracks in sidewalks from freezing water expanding

• Tree roots splitting rocks and concrete apart

• Rusty iron fences from oxygen exposure

• Rainwater collecting in puddles

Multiple Choice

Why is the process of weathering and soil formation significant for sustaining terrestrial life on Earth?

• It helps create fertile ground for plants and animals to thrive.

• It only affects rocks and minerals, not living things.

• It is responsible for causing natural disasters.

• It prevents the growth of plants and trees.

Multiple Choice

Which of the following is NOT a process of mechanical weathering?

• Frost wedging

• Biological activity

• Oxidation

• Other physical forces

Multiple Select

Which of the following are examples of chemical weathering?

• Oxidation

• Water dissolution

• Acid reactions

• Frost wedging

Fill in the Blanks

What are two factors that control the rate of weathering in rocks?

Drag and Drop

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Placeholder

the process of rock breaking down into smaller pieces due to wind or moving water

Drag these tiles and drop them in the correct blank above

weathering

uplift

rock formation

metamorphic rock

Multiple Choice

Which soil horizon is primarily responsible for plant growth and agriculture?

• O Horizon (Organic Layer)

• A Horizon (Topsoil)

• B Horizon (Subsoil)

• C Horizon (Parent Material)

Multiple Choice

Which of the following best describes the difference between residual and transported parent material in soil formation?

• Residual parent material forms from the weathering of local bedrock and remains in place, while transported parent material forms from sediments moved from another location.

• Residual parent material forms from sediments moved from another location, while transported parent material forms from the weathering of local bedrock.

• Both residual and transported parent materials form from the weathering of local bedrock.

• Transported parent material is always less fertile than residual parent material.