Soil Formation Quiz

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

Wind blowing dirt and sand through the air is an example of...

• weathering 
• erosion

Tags

NGSS.MS-ESS2-2

Soil is made of

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

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Tags

NGSS.MS-ESS2-1

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

NGSS.MS-LS2-4

The layer of soil which the topsoil is found.

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

The MAIN  thing Decomposers do for the the soil is the following:

• Store moisture
• Burrow deep in the soil
• Make space for air and water
• Break down and digest dead organisms

Tags

NGSS.MS-LS2-3

Which horizon is made up of partially weathered rocks?

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

Tags

NGSS.MS-ESS2-2

In which horizon is most of the HUMUS?

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

Tags

NGSS.MS-LS2-3

Soil layers are called horizons because...

• The layers are all different
• The layers are vertical
• The layers are horizontal
• The layers are above one another