Hoover Dam

In paragraph one is says that electricity is 'essential' to our lives. Use the sentence that follows that sentence as a clue for the meaning of essential. What does the word essential mean?

• a thing that is not that important.

• a thing that is absolutely necessary.

• something that only matters sometimes.

• something that nobody knows about.

True or False?

There is more than one way to produce electricity.

• True

• False

True or False?

The Hoover Dam was ONLY built to control the water of the Colorado River to supply water to people.

• True

• False

When was the Hoover Dam built?

• in the 1820s

• in the 1830s

• in the 1920s

• in the 1930s

What is Hoover Dam made out of?

• Wood

• Steel

• Glass

• Concrete

Where is the Hoover Dam located?

• in California

• between Arizona & Nevada

• in Nevada

• in Arizona

What lake was created when the Colorado River was dammed?

• Lake Mead

• Lake Cahuilla

• The Salton Sea

• Lake Hemmit

Hoover Dam is a hydroelectric power plant. What does hydroelectric mean? (second part of paragraph 2)

• it uses wind to produce power

• it uses nuclear fuel to produce power

• it uses water power to produce power

• it uses solar panels to produce power

The electricity that Hoover Dam creates mostly goes where?

• to areas of Southern California

• to Las Vegas

• to New York

• to Colorado

One harmful effect of building a dam is...

• it looks ugly.

• harmful ecological effects to the environment.

• it cost too much to build.

• they don't produce enough electricity.