Soil

If I describe a soil sample as "very gritty", what characteristic of the soil did I describe?

• Texture

• Water Retention

• Organic Matter

• Color

What should be added to soil to increase its water retention?

• sand

• pebbles

• rocks

• clay

Topsoil is considered to be most fertile when it has a

• low pH level

• low sand content

• high organic matter level

• high parent rock material level

How do the nutrients necessary for plant growth get into the soil?

• The soil absorbs sunlight

• Water filters through the soil

• Organic matter is decayed in the soil

• The soil is exposed to air

Which is considered a property of soil?

• fracture

• luster

• streak

• texture

Soil will pack down over time which decreases the ability of the soil to hold water. Which animals would best help the soil hold water?

• Cattle making depressions with their hooves

• Earthworms making tunnels under the surface

• Horses making trenches when they gallop

• Sheep pulling up plants by their roots

Organic Matter in soil refers to

• Rocks

• No pesticides

• Decaying plants and animals

• Anything that is solid

Soil forms quickly, so we as humans do not need to take good care of it.

• True

• False