Sails and Wind Turbines
Age 11 · Technology
Moving air pushes hard on anything in its way. Sails catch that push to move a boat, and turbine blades turn it into electricity.
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Age 11: open this week
Browse Age 11In the picture
- A taut sail: moving air pressing on cloth and pulling the boat forward
- A turning turbine blade: air pushing the blade around in a circle
- The generator housing at the top of the tower: the part the blades turn
- Leaning grass on the headland: air flowing past and bending thin stems
Examples
- A kite lifting on a windy day
- A pinwheel spinning in a breeze
Key takeaways
- Moving air can push things, and that push can be turned into electricity
- Wind turbines make electricity without burning fuel
Quiz: Sails and Wind Turbines (Age 11)
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What makes a sailboat move forward?
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In a wind turbine, what do the turning blades make?
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Which sentence best describes the main idea?
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.
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