Foss - Soils, Rock & Landforms Investigation 1

Pebbles, sand, clay, and silt are all types of

• soil

• rock

• minerals

• landforms

All soil contains _________, __________, and ____________

• rock

• air

• humus

• water

Dead plant and animal material, or organic material is called

• rotten

• silt

• soil

• humus

Soil can be different in which of the following ways?

• texture

• ability to retain water

• size of materials

• amount of humus

• kind of earth materials

Soil from different locations may be different from each other.

• true

• false

What happens to rock when it weathers?

• It creates a valley

• It changes into something new

• It freezes

• It breaks into smaller pieces

How are physical and chemical weathering alike?

• They both cause rocks to break apart.

• They both dissolve rocks.

• They both change rocks into new materials.

Chemical weathering breaks rocks into smaller pieces and forms a new material.

• True

• False

Physical weathering breaks rocks into smaller pieces and forms a new material.

• True

• False

Rocks that tumble and crash into each other cause weathering called

• broken rocks

• soil

• abrasion

• dissolving