Controlling Constructive and Destructive Processes

What are structures built across a river to control its flow?

• Dams

• Storm Drains

• Seawalls

• Contour Plowing

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which of these is a raised bank of earth that is built along edges of rivers to prevent flooding?

• Dams

• Levees

• Storm Drains

• Seawalls

A system of drains that prevents flooding during heavy rainstorms

• Dams

• Levees

• Storm Drains

• Seawalls

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ESS3-2

How do storm drains prevent flooding during heavy rainstorms?

• They hold back floodwaters.

• They absorb the shock of waves and protect the coast.

• They replace the sand on beaches.

• 
  They capture and move water off of roads and other land, dumping it into rivers, lakes, and oceans.

Which of these control erosion on beaches?

• Dams

• Levees

• Seawalls

• Storm Drains

Tags

NGSS.MS-ETS1-3

Which of these is a structure parallel to the seashore that absorbs the shock of waves and protects the coast behind it?

• Seawalls

• Dams

• Levees

• Storm Drains

When sand from the ocean or nearby rivers is brought in to build up a beach again after erosion has taken place

• Contour Plowing

• Beach Nourishment

• Levees

• Seawalls

Tags

NGSS.MS-ESS3-4

How does beach nourishment help beaches after they have been eroded?

• It controls the flow of water.

• It prevents flooding.

• It replaces sand that has been washed away in order to build a beach up again.

• It prevents the loss of soil due to farming.

Tags

NGSS.MS-ETS1-1

What is the way farmers prevent the loss of soil?

• Beach Nourishment

• Levees

• Contour Plowing

• Storm Drains

Tags

NGSS.MS-LS2-5

A method in which farmers plow across the sides of hills instead of down the slopes

• Levees

• Dams

• Storm Drains

• Contour Plowing