Erosion and Fossils

Plant root grow in a rock and causes it to split

• Weathering

• Erosion

• Deposition

A fast-moving river carries rocks downstream

• Weathering

• Erosion

• Deposition

Waves dropping sand on the beach

• Weathering

• Erosion

• Deposition

Flood water pounds against a wall and tears it down

• Weathering

• Erosion

• Deposition

Wind blowing sand from one location to another

• Weathering

• Erosion

• Deposition

Layers of sediment forming at the bottom of the ocean

• Weathering

• Erosion

• Deposition

Rainwater enters the cracks of a rock, freezes, and causes the rock to break

• Weathering

• Erosion

• Deposition

A mudslide flowing down a steep hill

• Weathering

• Erosion

• Deposition

When glaciers melt, they drop the rocks they were carrying

• Weathering

• Erosion

• Deposition

If a tree fossil is found in the middle of the desert, what can you infer about the past environment of the area?

• It used to be a forest

• It was always a desert

• It used to be at the bottom of the ocean

• It used to be covered in ice and snow