Soil Review

How does nutrients necessary for plant growth get in the soil?

• Soil absorbs sunlight.
• Soil is exposed to oxygen.
• Organic matter is decayed in the soil
• Water flows through the soil.

Which element cause soil to appear red?

• calcium
• iron
• silicon
• nickel

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

What do we call the layers of soil?

• Deposits
• Horizons
• Minerals
• Rocks

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)

Tags

NGSS.MS-LS2-3

Which soil horizon is on the bottom?

• topsoil

• subsoil

• bedrock

• bottomsoil

What is the layer of soil just below the topsoil?

• soil
• subsoil
• topsoil
• terrace farming

Tags

NGSS.MS-ESS2-1

Which layer of the soil profile contains a solid layer of rock?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-ESS1-4

Place the following layers in order from top to bottom: bedrock, topsoil, subsoil, organic, parent material.

• Organic, Topsoil, Subsoil, Parent Material, Bedrock
• Organic, Topsoil, Parent Material, Subsoil, Bedrock
• Topsoil, Organic, Subsoil, Parent Material, Bedrock
• Topsoil, Organic, Parent Material, Subsoil, Bedrock

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.