After weathering occurs, what is left over from the rocks that have been broken down? Must name at least 2 things
dirt, soil, sediment, rocks
What direction does erosion move earth materials?
Downward (with gravity)
water (from the Colorado River)
Bryce Canyon
St. George's Head
waves on a cliff
wind on a rock
On Lakeshore Drive in Chicago, one may notice the cement wall of steps that are between the road and Lake Michigan. What is the purpose of this seawall?
The purpose of this seawall is to absorb the pounding waves and protect the coast behind it. Protect the road and buildings beyond from erosion.
When my grandmother's house was built I remember the paint on the porch was white. Now it has chipped. What is this caused by?
Weathering
What is an example of chemical weathering?
Statue of Liberty turning green
Red soil from oxidation + other answers possible
Give an example of how weathering could be destructive.
Breakdown structures making them unsafe, change the shape of buildings, statues, and landforms
Your school park was built on gravel. Your school park has closed because erosion has been happening. The swing set has begun to move forward and sunk into the ground. How might you fix this? Make a hypothesis.
Answers may vary: ex - If my science class replaced the gravel in the park with soil and grass the swing set will stay in place and slow erosion down.
Erosion can carry the soils away and plants need soil to hold it in place and provide nutrients.