Show:
Hydropower
History
Vocabulary
Pros & Cons
100
The definition of hydropower.
What is energy that comes from the force of moving water.
100
How long has hydropower been used?
What is for centuries?
100

Gates on the dam open and gravity pulls the water through the penstock, a pipeline that leads to the turbine.

Intake

100
A pro involving the fuel supply...
What is the fuel supply is clean and always resupplied because of the water cycle.
200

What type of energy source is this? (i.e. renewable or non-renewable)

It is renewable.

200
Who used hydropower to grind wheat into flower for over 2,000 years?
What is the Greeks?
200

Most hydropower plants rely on it hat holds back water,

Dam

200
A con involving damming...
What is the fact that damming rivers may permanently change river systems and wildlife habitats.
300

Hydropower is continuously supplied by...

 the water cycle.

300
Where was the first hydroelectric power plant built and when?
What is Niagara Falls in 1879?
300

a pipeline that leads to the turbine

penstock

300
A pro involving pollution...
What is a hydropower plant does not pollute the air because no fuel is burned.
400

Hydropower is stored in what way?

In the reservoir

400
Who used the water wheel to power machines in the 1800's?
What is the Europeans and Americans?
400

 As the turbine blades turn, so do a series of magnets inside it.  Giant magnets rotate past copper coils, producing alternating current (AC) by moving electrons

generator

400
A con involving dissolved metals...
Damming may affect the quality of the water by churning up old metals that dissolved and sank to the bottom of the river a long time ago
500
How is it harvested?
What is by holding the water in the reservoir and releasing it when needed?
500
In the early 1900’s, hydropower accounted for about 40% of the United State’s supply of electricity. Presently, it’s about...
What is 4% of the US supply of electricity.
500

What is Potential energy and kinetic energy

Potential energy is the stored energy, before the object is put into motion. Kinetic energy is the motion.

500
A pro involving dams and regulation...
Dams can be used to control flooding and regulate water supply.