Soil

Front

What is soil made of?

Back

Weathered rocks and minerals, dead plants and animals, air and water.

Front

The very top layer of soil is mostly made of

Back

Mostly organic material (humus)

Front

Which layer of soil is on the bottom?

Back

bedrock

Front

What is the layer of soil just below the topsoil?

Back

subsoil

Front

Decayed organic material in soil is called ______.

Back

Humus

Front

Which type of soil is made up of larger particles from different materials? Options: sand, silt, humus, clay.

Back

sand

Front

This type of soil is sticky when wet and hard when dry. Options: clay, silt, sand, gravel

Back

clay

Front

This type of soil feels smooth when dry and slippery when wet.

Back

silt

Front

Which layer of soil are these roots growing in?

Back

topsoil

Front

The breaking down of rocks into smaller pieces.

Back

weathering