DAMS

All of these are correct  about a dam except one (1)

• Not good for producing electricity.

• A large barrier designed to control water

• Makes sure the right amount of water is at the right place and the right time.

A Dam is very important because it

• comes in different types 

• causes flooding

•  supplies water to homes and industries
  

It is a very big structure made of earth and rock. This is an_________

• embankment dam

• gravity dam

• arch dam

Most of these dams are expensive to build because they require so much concrete.

• embankment dams

• gravity dams

• arch dams

___________ have a curved shape that holds back the water in the reservoir.

• Arch dams

• Buttress dams

• Gravity dams

This type of dam can be flat or curved and made of secured concrete.

• Gravity dams

• Buttress dams

•  Embankment dams

• Arch dams

Arch dams are thin and require less material than any other type of dam. 

• True

• False

This is a natural force that can cause damage to a dam.

• irrigation

• erosion

• earthquakes 

A dam well built will not be strong enough to hold back water behind it.

• True

• False

This dam relies on its heavy weight to resist the force of the water.

• Buttress dam

• Arch dam

• Embankment dam