Weathering and Erosion

What happens to rocks during weathering?

• Rocks melt into magma.

• Rocks break down into smaller pieces during weathering.

• Rocks become more colorful and shiny.

• Rocks are transported to different locations.

What is weathering?

• The process of creating new rocks from minerals.

• The breakdown of rocks into smaller pieces.

• The movement of rocks from one place to another.

• The formation of soil from organic matter.

What is erosion?

• Erosion is the natural process of moving soil and rocks from one place to another.

• Erosion is the process of planting trees to prevent soil loss.

• Erosion is the method of creating new landforms through volcanic activity.

• Erosion is the technique of using water to irrigate crops.

What is a common result of erosion?

• Loss of soil and land.

• Increase in soil fertility.

• Formation of new landforms.

• Improvement of water quality.

Is erosion a natural process?

• Yes, erosion is a natural process.

• No, erosion is an artificial process.

• Only some types of erosion are natural.

• Erosion is a process that only occurs in specific environments.

What does dune grass help prevent?

• Flooding

• Erosion

• Wildfires

• Soil Depletion

What is left over after weathering?

• Dirt is left over after rocks have been broken down.

• Water is left over after evaporation.

• Minerals are left over after erosion.

• Air is left over after condensation.

What can cause erosion?

• Water, wind, and ice

• Only water

• Only wind

• Only ice

What is one effect of weathering on rocks?

• Weathering can make rocks smoother over time.

• Weathering can make rocks heavier.

• Weathering can change the color of rocks to blue.

• Weathering can make rocks grow larger.

What is one way to protect soil from erosion?

• Covering the ground with plants helps protect soil from erosion.

• Using chemical fertilizers to enhance soil quality.

• Plowing the soil frequently to aerate it.

• Leaving the soil bare to prevent compaction.