soil layers

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Tags

NGSS.MS-ESS2-1

Which of the following is NOT one of the three layers of soil?

• topsoil
• undersoil
• subsoil
• bedrock

Tags

NGSS.MS-ESS2-1

Are there minerals in soil?

• Yes
• No

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

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.

Many plants cannot grow in sandy soil. Why is this true?

• Sandy soil does not hold enough water.
• Oxygen cannot pass through sandy soil.
• Roots cannot easily push through clay soil.
• Sandy soil has too many nutrients.

Tags

NGSS.MS-LS1-5

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

When there are not enough plants to hold topsoil in place, water and  _______ carry the topsoil away, leaving the subsoil exposed

• sunlight
• birds
• magnetic fields
• wind

Tags

NGSS.MS-ESS2-2

What is the process of rocks being broken down over time called?

• Weathering
• Accumulation
• Condensation
• Evaporation

Tags

NGSS.MS-ESS2-2

What is the layer of soil just below the topsoil?

• soil
• subsoil
• topsoil
• terrace farming

Tags

NGSS.MS-ESS2-1