Soil and Resources

What soil has very small grains, holds water easily, and dries hard?

• clay
• sand
• humus
• silt

Which soil has large and small grains and contains lots of humus?

• clay
• sand
• humus
• loam

Which soil has large grains with small pieces of rock, and it feels gritty.

• clay
• sand
• humus
• loam

Top layer of soil that contains decayed parts of once living things. 

• clay
• sand
• humus
• silt

Soil consists of ....

• weathered rock
• water and air
• humus
• all of the above

What properties are soils classified by?

• amount of sand
• color, texture, and grain size
• color alone
• grain or particle size alone

What resource is needed to grow plants?

• fossils
• rocks
• soil
• coal

Which soil holds the most nutrients and is most helpful for growing plants?

• clay
• sand
• humus
• silt

A resource that can replenish itself naturally over time is called..

• renewable resource
• nonrenewable resource
• soil
• not resource

A resource that cannot be replaced once it is used up is called....

• renewable resource
• nonrenewable resource
• soil
• not  a resource