Dams

Dams are constructed to hold back water and generate electricity 

• True
• False

Why are dams important

• They disturb wildlife
• Are expansive to build
• Take time to build
• Gives hydroelectricity

What do dams supply water for?

• Areas of recreation
• Drinking water
• Irrigation
• All of the above

Which is not an example of an effect of a dam?

• Blocks fish migration
• Inadequate maintenance 
• Trap sediments
• Alteration of river flow

Do dams prevent floods

• Yes
• No

Do some dams have gates that lets us control the flow of water

• No
• Yes

What are the factors you should consider for flood mitigation (video)

• How much water it can hold
• Amount of time it takes to release flood water 
• When flood water should be realized 
• All of the above

Do dams store water

• Yes
• No

These three 
-Blocks fish migrations
-Traps sediments
-Alteration of the river’s flow
are an example of what

• Cause
• Effect
• Pros
• Cons

-Interference with wildlife
-Upstream flooding
These are an example of...?

• Effect
• Cause
• Pros
• Cons