Agriculture: Soil

What process forms soil from the breaking down of rocks?

• Photosynthesis

• Weathering

• Lumbering

• Sandification

Soil is made up of these four non-living components except:

• Water

• Air

• Humus

• Carbon dioxide

When plants and animals die, they add organic nutrients back to the soil.

• True

• False

Why are bacteria, fungi and insects important to soil?

HINT: 1. Say what they do

2. Say how the soil benefits

What are bacteria, fungi and insects called?

• Pests

• Vertebrates

• Bottom Feeders

• Decomposers

Humus is the ______

• Organic matter of living plants and animals

• Artificial matter of living plants and animals

• Organic matter of decayed plants and animals

• Artificial matter of living plants

Which of these 2 are types of soil? (Select 2)

• Salty

• Loam

• Waxy

• Silt

What kind of soil is most likely found in the desert?

• 1. sticky, red soil

• 1. think, muddy soil

• 1. dry, sandy soil

• 1. dark, damp soil

Which type of soil is made up of very tiny grains of particles?

• 1. clay

• 1. humus

• 1. loam

• 1. sand

What is soil that is a mixture of clay, sand, silt and humus called?

• 1. Loam

• 1. Moss

• 1. Dirt