Soil Formation

What do we call dirt?

• air
• water
• soil
• ice

Soil is made of small ______.

• icicles
• particles
• plastics
• bricks

Which is NOT a type of soil particle?

• sand
• minerals
• rocks
• air

What living things are in soil?

• earthworms
• sand
• glass
• minerals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where do rock particles in soil come from?

• frozen water
• bigger rocks
• the sky
• rain

Tags

NGSS.MS-ESS2-2

The dark top layer of soil is called ______.

• subsoil
• bedrock
• topsoil
• understory

What does humus contain?

• sand
• glass
• clay
• decayed plants and animals

Tags

NGSS.MS-LS2-3

The layer of soil just under the topsoil is called _______.

• humus
• clay
• subsoil
• rock

Under the subsoil layer is a layer of rock called _______.

• bedrock
• soil
• topsoil
• loam

Quite often desert soils have lots of _______.

• grass
• water
• sand
• energy

Tags

NGSS.MS-ESS2-4