Soil

Front

Horizon B is also known as the _____________

Back

subsoil

Front

Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)

Back

Erosion

Front

Which of the following was formed through erosion? (Options: Eiffel Tower, The Grand Canyon, Mt. Rushmore, The Pyramids of Giza)

Back

The Grand Canyon

Front

Which layer of soil are these roots growing in? (Options: subsoil, topsoil)

Back

topsoil

Front

How do plants in the soil affect how fast erosion happens? (Options: It doesn't affect erosion, It slows down erosion, It speeds up erosion)

Back

It slows down erosion.

Front

What is the top layer of soil called?

Back

Topsoil

Front

What is the process called when soil is washed away by water?

Back

Erosion

Front

What is humus?

Back

Decomposed organic matter in soil that enriches it.

Front

What is the main component of soil?

Back

Mineral particles, organic matter, water, and air.

Front

What role do earthworms play in soil health?

Back

They aerate the soil and help decompose organic matter.