Ch13/14 - Soil & Agricultural Methods

What are the three components of soil?

• insects, sand, topsoil
• clay, sand, humus
• topsoil, subsoil, bedrock
• earthworms, sand, silt

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam

Tags

NGSS.MS-ESS2-4

Water gets into the cracks of rock and freezes, causing the rock to break. What is this an example of?

• erosion

• weathering

Soil is made of

• weathered rocks and minerals

• dead plants and animals

• air and water

• all of the above

Which layer of soil is on the bottom?

• topsoil

• subsoil

• bedrock

• bottomsoil

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand
• silt
• clay
• humus

Tags

NGSS.MS-LS2-3

The texture of soil depends mainly on

• the types of plants that grow in the soil.
• the size of the particles in the soil.
• the color of the soil.
• the number of worms in the soil.

Soil that is rich in humus has high

• fertility.
• water content.
• sand content.
• clay content.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

What do we call the layers of soil?

• Deposits
• Horizons
• Minerals
• Rocks

There is an unlimited supply of fertile soil.

• True
• False