Show:
Hydropower
History
Types of Hydropower Machines
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
What are 2 types of hydropower machines?
What is the water wheel and hydro dams?
100
Head:
What is the height of the water.
100
A pro involving the fuel supply...
Its unlimited
200
What type of energy source is this? (i.e. renewable or non-renewable)
What is renewable.
200
Who used hydropower to grind wheat into flower for over 2,000 years?
What is the Greeks?
200
Where is a water wheel placed?
What is below a source of flowing water.
200
Flow:
What is how much water that flows through the system.
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...
What is the water cycle.
300
Where was the first hydroelectric power plant built and when?
What is Niagara Falls in 1879?
300
How does a water wheel work?
The water turns the wheel.
300
Pumped-storage systems:
What is a hydropower plant that re-uses the same water over and over again.
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?
What is using the reservoir?
400
Who used the water wheel to power machines in the 1800's?
What is the Europeans and Americans?
400
What is a hydro dam?
What is an artificial waterfall.
400
Baseload power:
What is the power that utilities have to generate all the time.
400
A con involving dissolved metals...
It can bring up some hidden old metals
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 do Dams increase?
What is the head and flow of the water.
500
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.