All About Soil

What is the topmost layer of soil called?

• Humas

• Bedrock

• Subsoil

Humas is made up of what?

• Sand

• Dead leaves and decomposed animals

• Chick Peas

What is soil made up of?

• Dust

• Rocks and water

• Soil consists of rocks, sand, clay, dead animals, plants, and fungi.

Earthworms are important to soil because...

• They restore nutrients

• They loosen the soil

• Improve soil structure

• All of the above

How is soil formed?

• Worms eating rotting leaves

• The weathering and breaking down of rocks

• The sun rotating around the Earth

Why is soil so important?

• Cleans our water

• Give plants the nutrients they need to grow

• Releases carbon dioxide into the air

• All of the above

What are the 4 types of soil?

• Clay, Sand, Dirt, and Rocks

• Rocks, Sand, Oil and Water

• Clay, Sand, Silt and Loam

Clay can be used to make...

• Pottery

• Paintings

• A mess

Silt is a very fertile soil.

• TRUE

• FALSE

This soil is best for growing plants.

• Clay

• Sand

• Loam

• Silt