ES-8.2.1-Weathering: Breaking Down Earth's Rocks

Multiple Select

BELLRINGER:

Which of the following are considered external processes affecting Earth's surface?

• Weathering

• Volcanic activity

• Mass movement

• Erosion

Open Ended

Why is the process of weathering important for life on Earth?

Multiple Choice

Which of the following best describes mechanical weathering?

• Physical forces break rock into smaller pieces without changing mineral composition.

• Chemical transformation of rock into new compounds.

• Rocks melting due to high temperatures.

• Rocks dissolving in water.

Multiple Choice

Which of the following is NOT a step in the frost wedging process?

• Water infiltration into cracks

• Freezing expansion of water

• Salt crystal formation

• Ice lens growth

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 Select

Which of the following are results of the sheeting and exfoliation process?

• Pressure release

• Expansion of outer layers

• Formation of exfoliation domes

• Salt crystal growth

Multiple Choice

What is the main difference between mechanical weathering and chemical weathering?

• Mechanical weathering changes the mineral composition of rocks, while chemical weathering does not.

• Mechanical weathering breaks rocks into smaller pieces without changing their composition, while chemical weathering transforms rocks into new compounds.

• Mechanical weathering only occurs in cold climates, while chemical weathering occurs in warm climates.

• Mechanical weathering is caused by water, while chemical weathering is caused by wind.