Exploring Hydropower and Its Benefits

What is hydropower?

• Energy generated from wind

• Energy generated from water

• Energy generated from the sun

• Energy generated from fossil fuels

Which ancient civilization first used water wheels to grind grain?

• Egyptians

• Greeks

• Romans

• Chinese

What percentage of the world's electricity is produced by hydropower?

• 10%

• 16%

• 24%

• 30%

Which country is the largest producer of hydropower?

• United States

• China

• Brazil

• Canada

What is the name of the world's largest hydroelectric dam?

• Hoover Dam

• Three Gorges Dam

• Itaipu Dam

• Aswan High Dam

How does a hydroelectric power plant generate electricity?

• By using wind to turn turbines

• By using sunlight to generate heat

• By using falling or flowing water to turn turbines

• By burning coal to produce steam

What is one environmental benefit of hydropower?

• It produces greenhouse gases

• It relies on non-renewable resources

• It produces clean energy without air pollution

• It depletes water resources

What is a potential environmental concern associated with hydropower?

• Air pollution

• Disruption of aquatic ecosystems

• Depletion of fossil fuels

• Increased greenhouse gas emissions

What is pumped storage in the context of hydropower?

• Storing water in reservoirs for irrigation

• Using excess electricity to pump water uphill to a reservoir

• Pumping groundwater for drinking purposes

• Storing fossil fuels for future use

What is one way hydropower can be made more fish-friendly?

• Increasing water flow speed

• Building fish ladders to help fish navigate around dams

• Removing all dams

• Reducing water levels in reservoirs