Rocks and Soil

Which category does HUMUS belong in?

• Loam

• Sand

• Clay

What are the 3 layers of soil (in order from top to bottom) that we have learned?

• Subsoil, Bedrock, Topsoil
• Topsoil, Subsoil, Bedrock
• Topsoil, Humus, Tundra

What forms after a rock has been weathered over many years?

• streams

• lakes

• soil

Tags

NGSS.MS-ESS2-2

Which type of soil holds water the best?

• sand

• silt

• clay

Second layer of soil.

• Topsoil

• Subsoil

• Bedrock

Which of these is a reason soil is an important resource?

• It helps plants grow

• It allows us to grow food

• all of the above

Tags

NGSS.MS-LS2-1

__________ the uppermost layer of soil.

• Topsoil

• Subsoil

• Bedrock

What do you call the process where over many years, rocks are broken down by weather, water, and living things?

• weathering

• precipitation

• evaportation

Tags

NGSS.MS-ESS2-2

This particle of soil is the biggest and made of small grains of worn down rock. It does not hold water well and has few nutrients

• silt

• clay

• sand

What are the components of soil?

• Air

• Water

• Organic and inorganic materials

• all of the above

Tags

NGSS.MS-LS2-3