SoilGetting the Dirt on Soil

TRUE or FALSE?TRUE or FALSE?Land in Southern Ontario is mainly used for farming and mining.

A.

B.

C.

D.

E.

What is soil?

Waste and organic matter from ecosystems.

None of the above.

Dirt that gets on your clothes.

Any area that is not covered by water.

A layer of organic matter and weathered rock that supports plants.

What are the three components of soil?

Organic matterWeathered rock, and

air/water spaces

A.

B.

C.

D.

E.

What types of soil are best for farming?

None of the above

Wetland and grassland

Grassland and desert

Forest and tundra

Forest and grassland

A.

B.

C.

D.

E.

What type of soil has the least topsoil (A horizon)?

None of the above

Wetland

Grassland

Forest

Desert

What are the organisms that break down dead matter in soils?

Detritivores or decomposers

Give an example of a detritivore in soil.

These include:Slugs, millipedes, nematodes, ants, fungi, beetles, and

worms

TRUE or FALSE?TRUE or FALSE?Animal burrows are bad for soil.

A.

B.

C.

D.

E.

What is a process that carries away soil?

decomposing

precipitation

weathering

sediment

erosion

What three factors determine where populations of people can live?

Soil type, climate and vegetation

Where is the largest area of farmland in Canada?

The Prairies (Manitoba, Saskatchewan and Alberta)

A.

B.

C.

D.

E.

What is found in the A horizon (topsoil)?

Bedrock, some weathered rock and minerals

Only dissolved minerals

Some organic matter and dissolved minerals

Mainly weathered rock and dissolved mineral

Mainly organic matter