What is the primary process by which wind and water change Earth's surface?

• Deposition

• Erosion

• Weathering

• Sedimentation

How do rivers contribute to the formation of canyons?

• By causing landslides

• By depositing sediment

• By evaporating water

• By carving through rock over time

What effect does the sun have on rocks that leads to weathering?

• It causes rocks to melt

• It dissolves rocks

• It makes rocks expand and contract

• It freezes rocks

How does ice contribute to the weathering of rocks?

• By heating rocks

• By dissolving rocks

• By melting rocks

• By expanding in cracks and splitting rocks

In what way do plants contribute to weathering?

• By growing roots that crack rocks

• By providing shade

• By absorbing water

• By producing oxygen

What role do animals play in the weathering process?

• They protect rocks from weathering

• They break rocks by burrowing and moving soil

• They dissolve rocks with acid

• They prevent erosion

Which chemical process can dissolve rocks like limestone?

• Carbonation

• Hydration

• Acid dissolution

• Oxidation

How do humans accelerate the process of erosion?

• By building dams

• By polluting the air and cutting down forests

• By planting more trees

• By conserving water

What is one method of erosion control mentioned in the video?

• Building skyscrapers

• Using gabions to hold soil in place

• Draining rivers

• Increasing rainfall

What is the effect of acid rain on Earth's surface?

• It fertilizes the soil

• It cools down the atmosphere

• It speeds up weathering by dissolving rocks

• It prevents erosion