Soil Facts

Which soil is a mixture of sand, silt, and clay?

• sand

• silt

• top soil

• loam

Which soil retains the most water?

(a)  

Texture describes the way soil ____________________.

• feels

• looks

One of these is not a type of soil.

• silt

• mud

• loam

• clay

What is the lowest layer of soil?

(a)  

Soil is made of

• air and water

• weathered rocks and minerals

• decomposing matter

• all of the above

Which soil layer allows plants to grow?

• topsoil layer

• minerals layer

• subsoil layer

• organic layer

This soil does not hold much water and is gritty.

• clay

• loam

• sand

• silt

Soil and dirt are the same.

• True

• False

Many plants cannot grow in clay soil. Why is this true?