Weathering , Erosion and Deposition

Front

What is the process by which rocks are broken down into smaller pieces by physical forces?

Back

Weathering

Answer explanation

Weathering is the process by which rocks are broken down into smaller pieces by physical forces.

Front

Which type of weathering involves the chemical breakdown of rocks?

Back

Chemical weathering

Answer explanation

Chemical weathering involves the chemical breakdown of rocks, making it the correct choice among the given options.

Front

What landform is created when sediment is deposited at the mouth of a river?

Back

Delta

Answer explanation

A delta is formed when sediment is deposited at the mouth of a river, creating a landform with multiple channels and distributaries.

Front

How does erosion impact the landscape?

Back

Erosion changes the physical features of the land.

Answer explanation

Erosion changes the physical features of the land.

Front

What is the main difference between weathering and erosion?

Back

The main difference between weathering and erosion is that weathering breaks down rocks, while erosion transports the broken down materials.

Answer explanation

The main difference between weathering and erosion is that weathering breaks down rocks, while erosion transports the broken down materials.

Front

Name a type of weathering that occurs when water seeps into cracks in rocks and freezes, causing the rock to break apart.

Back

Frost wedging

Answer explanation

Frost wedging is the type of weathering that occurs when water seeps into cracks in rocks and freezes, causing the rock to break apart.

Front

What landform is created when wind deposits sand in a mound or ridge?

Back

Sand dune

Answer explanation

A sand dune is created when wind deposits sand in a mound or ridge, making it the correct choice among the options provided.

Front

How does erosion contribute to the formation of valleys?

Back

Erosion wears away the land, creating channels that eventually form valleys.

Answer explanation

Erosion wears away the land, creating channels that eventually form valleys.

Front

Explain how weathering and erosion work together to shape the Earth's surface.

Back

Weathering breaks down rocks into smaller pieces, and erosion transports these pieces to new locations, reshaping the Earth's surface.

Answer explanation

Weathering breaks down rocks into smaller pieces, and erosion transports these pieces to new locations, reshaping the Earth's surface.

Front

What type of weathering occurs when rocks are physically broken down into smaller pieces without changing their chemical composition?

Back

Mechanical weathering

Answer explanation

Mechanical weathering occurs when rocks are physically broken down into smaller pieces without changing their chemical composition.