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WorksheetsErosion Control
Total questions: 10
Worksheet time: 5mins
Why would people go through the trouble to terrace (cut steps) on steep hillsides or mountainsides?
to slow down rain erosion
to make it easier to cut grass
it looks prettier
Levees control flood erosion by
forming a wall in the middle of a flowing body of water.
forming a gate in the middle of a body of water.
forming a wall around a body of water.
What keeps sand dunes from being blown away by wind at the coast?
digging holes in the dunes
roots of sea oats hold the sand in place
fences placed next to the sand dunes
Walls that can control flooding include
dams
contour farming
levees
sand dunes
beach reclamation
A city crew cleans the storm drains as a storm is approaching. Why is this management important? Storm drains...
are a wall that keeps the wind from blowing soil away.
allow water to quickly move underground causing less erosion.
keep ocean waves from carrying sand away from the beach.
What is it called when people pump sand back onto a beach to rebuild it after a storm washes it out to sea?
Beach Reclamation
Storm Drain Management
Jetty
Dams are walls that are built in the middle of a flowing body of water the control the flow of water.
True
False
Jetties can be built at the shore to encourage deposition of sand on the beaches.
True
False
A farmer is having trouble with rain erosion. Which of the following methods could be used to control this problem?
windbreak
terracing
strip or contour farming
sand dunes
A tropical storm is approaching the coast. What methods do they use to protect them from rising waters from the storm?
dams
seawalls
sand dunes
windbreaks
