hydropower

1) Where does hydropower get its energy from?

• The rays of the Sun

• The internal heat of the Earth

• Moving water sources like rivers

• From the burning of fossil fuels like coal

2) True or False: Hydropower is considered a renewable energy source.

• True

• False

3) In a hydropower plant, water flows through a pipe called a _______.

• Generator

• Turbine

• PVC

• Penstock

4) What type of hydropower plant does not use a dam?

• Storage System

• Run of the River system

• Pumped storage system

• None of the above

5) What mechanism of the hydropower plant uses extra electricity at night to move used water back into the reservoir?

• Storage System

• Run of the River system

• Pumped storage system

• None of the above

6) What is a disadvantage to the run-of-the-river hydropower system?

• It can only generate power during the day

• It relies on fossil fuels to generate power

• The river must remain full and flowing in order to generate electricity

• It is not a renewable energy source

7) True or False: Using rivers to power mechanical devices is a new concept invented in the late 1900s.

• True

• False

8) What is another advantage to building a dam besides producing electricity?

• It creates a recreational lake

• The reservoir can be used as a fresh water source

• It can help to control flooding

• All of the above

9) Which of the following is a drawback to building hydropower dams?

• Loss of land

• Damage to the local ecosystem

• Methane gas emissions

• All of the above

10) True or false: Renewable energy source means that people can keep using the material without consuming, so it can be used on multiple occasions.

• True

• False