Water and Steam Make Electricity

In the picture

1. 1Water rushing through a pipe onto turbine blades
2. 2Turbine blades turned by the water
3. 3Turning shaft connected to the blades
4. 4Generator driven by the shaft
5. 5Steam jet from the boiler onto turbine blades

Examples

• A hydroelectric dam using river water
• A power plant using steam from burning fuel

Quiz: Water and Steam Make Electricity (Age 12)

1. 1

   What does a turbine do in making electricity?

   • It stores electricity inside water or steam.
   • It cools the generator while it runs.
   • It turns moving water or steam into a spinning shaft.
2. 2

   What does the generator do?

   • It pushes water or steam onto the turbine blades.
   • It changes the spinning shaft into electricity.
   • It makes the water or steam hotter.
3. 3

   What makes the turbine blades turn?

   • The turning generator shaft
   • Flowing water or steam
   • Electricity from the generator

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.