IB ESS Soil

1. What is soil erosion?

• A naturally occurring process that affects all land forms

• Type of soil

• A time period

• The wearing away of top soil

Tags

NGSS.MS-LS2-4

Which of the following soil types would erode the least?

• loose, dry soil

• dry soil with leaves

• soil with many roots

In what soil layer do farmers plant their crops?

• topsoil

• subsoil

• parent material

• bedrock

The process in which the materials of Earth's surface are loosened & transported away, usually by water or wind.

• runoff

• chemical weathering

• erosion

• biological weathering

Tags

NGSS.MS-ESS2-4

Farming around or along a hill to reduce soil erosion is known as...

• no-till farming

• contour farming

• hilly billy farming

_______ is the process by which land or semi-dry areas become more desert-like.

• Contour farming

• No-till farming

• Desertification

• Erosion

Desertification is caused by...

• drought

• overgrazing

• poor farming techniques

• cutting down trees

• ALL OF THE ABOVE!

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What kind of soil is the best for growing crops?

• loam

• sand

• clay

• silt

Tags

NGSS.MS-LS1-5

__________ is the amount of water a soil is able to hold & is related to a soil material's porosity & permeability.

• Water retention

• Erosion

• pH

• NPK soil test

The very top layer of soil is mostly made of

• Solid rock

• Clay and mineral deposits

• A mixture of minerals and organic material

• Mostly organic material (humus)