Soil

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Which layer of soil are these roots growing in?

• subsoil
• topsoil

What is the layer of soil that contains humus, leaf litter, and other organic matter?

• O - Organic
• A - Topsoil
• B - Subsoil
• R - Bedrock

Why is topsoil darker than all other levels of soil?

• It contains all the darker colored minerals
• It contains volcanic rock
• It contains more organic matter
• It contains bits of burned trees

40 % Sand

50% Silt

10% Clay

• Clay

• Clay Loam

• Silt Loam

• Sandy Loam

30 % Sand

40% Silt

30% Clay

• Clay

• Sandy Loam

• Clay Loam

• Silt Loam

What is the Texture for Silt Based on the Texture: SILTY CLAY:

5% SAND

50% CLAY

• 45%

• 38%

• 36%

• 55%