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Why should you conserve electricity?
To save the environment and to lower your electricity bill $$$$$
How can cleaning air filters save electricity?
By cleaning the dust, it will allow air to move more freely through the filters without getting blocked.
Name 2 ways of conserving electricity.
____
What is a disadvantage of hydro energy?
You need to live near a big body of water to use it.
What are some disadvantages of fossil fuel energy?
It creates a lot of pollution,
What are some disadvantages of solar energy?
Can only use it when the sun is out, some places have limited sunlight, solar panels are big and expensive.
Which power stations are renewable?
Hydrodam, wind, and solar.
Can we use electricity directly from a power station? Explain
No because the voltage will be too high. It would fry our electronic.
What happens after the steam is used in a solar/coal power station?
The steam condenser turns the steam back into water to be used again later.
What is the function of heliostats?
To reflect sunlight onto the receiver (water tank).
What makes a turbine in a windmill station spin?
Wind
How do turbines spin in coal power plants?
Coal is burned to create heat to boil water. Water turns into steam and blows through the turbine.
How does a solar power station work?
_____
What does a transformer do?
It steps up or steps down the voltage.
What do power lines do?
They take electricity to the city and to our homes.
What does the generator do?
Converts energy from the turbine into electricity.
What is the function of the turbine?
Spins to create mechanical energy.
What does a penstock do?
It is a tunnel that takes water to the turbine.
What is the function of an intake?
To keep out trash and animals.
What is the function of a reservoir?
To store water
Name 4 types of power stations.
Hydrodam, solar station, wind station, fossil fuel station,


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