Soils, Rocks, and Landforms: Investigation 2

Front

What is soil?

Back

Soil is a natural resource made up of minerals, organic matter, air, and water that supports plant life.

Front

What are rocks?

Back

Rocks are solid, naturally occurring substances composed of one or more minerals.

Front

What is a landform?

Back

A landform is a natural feature of the Earth's surface, such as mountains, valleys, and plains.

Front

What is a boulder?

Back

A boulder is a large rock that is too big to be moved by hand.

Front

What is silt?

Back

Silt is a fine-grained soil that is smaller than sand but larger than clay.

Front

What is the role of wind in shaping landforms?

Back

Wind can erode, transport, and deposit materials, forming features like sand dunes.

Front

How does water affect soil composition?

Back

Water can carry away soil particles, change the soil structure, and influence the types of plants that can grow.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural forces such as water, wind, or ice.

Front

What is deposition?

Back

Deposition is the process where materials are laid down or settled after being transported by wind, water, or ice.

Front

What is a river valley?

Back

A river valley is a low area of land between hills or mountains where a river flows.