Rocks and Soil

Rain washing away soil from a hillside

• Weathering

• Erosion

• Deposition

Flood water pounding against a canyon wall and wearing it down

• Weathering

• Erosion

• Deposition

All rocks are made up of what?

• crystals 

• one or more minerals

• at least 5 kinds of minerals

A rock is

• a hard, nonliving thing that comes from the earth 

• made up of one or more minerals

• all of the above

Which of the following are properties of rocks

• texture, luster

• hardness, color, size

• shape and presence of fossils

• all of the above

Slow changes in the earth's surface are caused by 

• wind, water, and ice

• wind, water, and erosion

• water, ice, and erosion

What are some ways we use soil in everyday life?

• to grow food

• make bricks

• provide homes for animals

• all of the above

How do we use rocks in everyday life?

• building stones, tools

• jewelry, art

• food/salt, and machines

• all of the above

Soil is made up of 

• tiny pieces of rocks, dead plants and animals

• animals

• mud

Which layer is the bottom of the soil profile?

• C - Partially Weathered Parent Material

• D - Separated rock

• R - Bedrock

• A - Topsoil