Weathering and Erosion

What is weathering?

• The breaking down or dissolving of rocks and minerals on the surface of the Earth

• The process of erosion that transports rocks and minerals away

• The resistance of rocks to the forces of weathering and erosion

• The formation of landmarks such as the Grand Canyon

Which of the following is an agent of weathering?

• Water

• Gravity

• Sunlight

• Fire

What is erosion?

• The breaking down or dissolving of rocks and minerals on the surface of the Earth

• The process of weathering that wears away exposed surfaces over time

• The transportation of bits of rock and mineral away

• The resistance of rocks to the forces of weathering and erosion

Which landmark was carved by weathering and erosion?

• The Great Wall of China

• The Eiffel Tower

• The Grand Canyon

• The Taj Mahal

What makes a rock more vulnerable to weathering and erosion?

• Being quickly buried beneath other rocks

• Being exposed to wind and water

• Being resistant to weathering and erosion

• Being located in a desert landscape

What is the process that breaks down rocks into smaller pieces?

• Erosion

• Mechanical weathering

• Chemical weathering

• Exposure to wind and water

What type of weathered rock results in infertile soil?

• A single type of weathered rock

• A collection of weathered rocks

• Lavas

• Glacial till

What are the two processes of weathering?

• Mechanical weathering and chemical weathering

• Biological weathering and erosion

• Thermal stress and haloclasty

• Hydration and hydrolysis

What is the process called when water freezes and expands in cracks of rocks?

• Frost weathering

• Thermal stress

• Exfoliation

• Sheeting

Which type of weathering dissolves rock through the interaction of carbon dioxide and water?

• Carbonation

• Oxidation

• Hydration

• Hydrolysis