Soil Vocab Quiz

_______ is the layer of loose materials covering Earth's surface.

• Nutrients

• Soil

• Erosion

• Bedrock

The foods or substances that plants and animals need to live and grow are ________.

• resources

• clays

• silts

• nutirents

Tags

NGSS.MS-LS2-1

One of the components of soil made of tiny particles that holds water well is called _______.

• clay

• sand

• bedrock

• nutrients

Broken down fragments of _____ are found in the soil.

• seashell

• mud

• rock

• dirt

_______ is very small broken pieces of rock. It is larger than clay and smaller than sand.

• dirt

• clay

• sand

• Silt

Small grains of worn-down rock. It has few nutrients and does not hold water.

• sand

• rock

• humus

• clay

The decayed, once living, matter in soil that adds nutrients to the soil. It is found mostly in the topsoil.

• silt

• mud

• clay

• humus

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The _______ is the upper layer of the soil made of humus. It is good for plant growth.

• topsoil

• mud

• bedrock

• subsoil

_______ is the middle layer of soil. It is not good for plant growth.

• bedrock

• topsoil

• subsoil

• humus

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

_________ is the bottom layer of soil. It is not good for plant growth.

• subsoil

• clay

• topsoil

• bedrock