What's the Dirt on ... Dirt?

Another name for soil is _______________.

• rock

• soil

• minerals

• diamonds

Soil is made up of _____ main things.

• 4, 000

• 100

• 10

• 4

The 4 things that soil is made up of are:

• rocks, shells, worms, dirt

• mud, sand, dirt, clay

• minerals, water, air, organic matter

• salt, diamonds, rubies, eggs

Organic matter is made from living things that have died.

• True

• False

The bottom layer of soil is mostly made up of _____________________.

• humus

• organic material

• clay

• solid rock

This is what gives soil its dark brown color.

• humus

• organic material

• clay

• solid rock

Seeds start to grow in this layer.

• Humus

• Topsoil

• Clay

• Bedrock

There is only one type of soil.

• True

• False