What is the function of heliostats?
To reflect sunlight onto the receiver (water tank).
What does the generator do?
Converts energy from the turbine into electricity.
What do power lines do?
They take electricity to the city and to our homes.
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.
What is a disadvantage of hydro energy?
You need to live near a big body of water to use it.
How does a solar power station work?
_____
Name 2 ways of conserving electricity.
____
Which power stations are renewable?
Hydrodam, wind, and solar.
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.
What does a transformer do?
It steps up or steps down the voltage.
What does a penstock do?
It is a tunnel that takes water to the turbine.
What makes a turbine in a windmill station spin?
Wind
Can we use electricity directly from a power station? Explain
No because the voltage will be too high. It would fry our electronic.
Name 4 types of power stations.
Hydrodam, solar station, wind station, fossil fuel station,
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 a reservoir?
To store water
What is the function of an intake?
To keep out trash and animals.
What are some disadvantages of fossil fuel energy?
It creates a lot of pollution,
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.
What is the function of the turbine?
Spins to create mechanical energy.