Weathering and Erosion Quiz

Which type of weathering occurs fastest in warm, wet places?

• Mechanical weathering

• Chemical weathering

• Physical weathering

• Oxidative weathering

Answer explanation

Chemical weathering occurs fastest in warm, wet places because the presence of moisture and heat accelerates chemical reactions, breaking down minerals more effectively than mechanical or physical weathering.

What is deposition?

• Deposition is the geological process where materials are added to a landform.
• Deposition is the process of water evaporating from a surface.
• Deposition refers to the movement of tectonic plates.
• Deposition is the process of eroding landforms.

What is weathering?

• Weathering refers to the movement of rocks from one place to another.
• Weathering is the breakdown of rocks and minerals due to various processes.
• Weathering is the process of creating new rocks.
• Weathering is the formation of clouds in the atmosphere.

What is erosion?

• Erosion is the process of wearing away and transporting materials from the Earth's surface.
• Erosion is the process of creating new landforms.
• Erosion is the process of planting trees to prevent soil loss.
• Erosion is the process of increasing the Earth's surface temperature.

What is the process called when rocks are naturally broken into smaller pieces?

• Deposition

• Physical weathering

• Erosion

• Chemical weathering

Answer explanation

The process of rocks being naturally broken into smaller pieces is called physical weathering. This occurs due to mechanical forces like freeze-thaw cycles, abrasion, and temperature changes, unlike chemical weathering which alters the rock's composition.

What is the role of water in chemical weathering?

• It increases temperature

• It decreases pH

• It dissolves most substances

• It combines with oxygen

Answer explanation

Water plays a crucial role in chemical weathering by dissolving most substances, which facilitates the breakdown of rocks and minerals. This process helps transport nutrients and alters the landscape.

What are Destuctive forces?

• Destructive forces are human activities that enhance the Earth's surface.
• Destructive forces are weather patterns that stabilize the climate.
• Destructive forces are processes that create new landforms.
• Destructive forces are natural processes that break down or remove materials from the Earth's surface.

What is the pH scale range used to determine if a solution is acidic, basic, or neutral?

• 0 to 14

• 0 to 10

• 0 to 7

• 1 to 14

Answer explanation

The pH scale ranges from 0 to 14, where values below 7 indicate acidity, 7 is neutral, and above 7 indicates basicity. Therefore, the correct answer is 0 to 14.

Which of the following is a destructive force?

• Volcanic eruptions

• Floods

• Landslides

• Deposition

Answer explanation

Landslides are a destructive force as they involve the rapid movement of earth materials down a slope, causing damage to the landscape and structures. In contrast, volcanic eruptions and floods can also be destructive, but deposition is a constructive process.

Which of the following is an example of chemical weathering?

• Frost wedging

• Root expansion

• Rust formation

• Thermal expansion

Answer explanation

Rust formation is a chemical weathering process where iron reacts with oxygen and moisture, leading to the breakdown of rocks. In contrast, frost wedging, root expansion, and thermal expansion are physical weathering processes.