Soil Quizziz

The middle soil layer is called ___________.

• bedrock

• topsoil

• subsoil

The bottom soil layer is called _______________.

• subsoil

• topsoil

• bedrock

The top soil layer is called ___________________

• subsoil

• bedrock

• topsoil

Match the soil layers with their definitions

• topsoil

• Contains mostly rocks; formed over a long period of time

• subsoil

• contains clay and minerals like iron, not rich in nutrients

• bedrock

• contains humus, rich in nutrients

___________ is best for plant growth

• topsoil
• bedrock

• subsoil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

________ is made up of small grains of worn-down rock. It has few nutrients and does not hold water well.

• humus

• clay

• silt

• sand

_______ contains tiny particles of soil that hold water well and has some nutrients.

• humus

• clay

• silt

• sand

________ is decayed matter in topsoil. It contains lots of nutrients from former living things.

• humus

• silt

• clay

• sand

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

_______ is made up of very small broken pieces of rock. Its particles are larger than clay and smaller than sand.

• humus

• clay

• silt

• sand