Starter quiz
- Rotary motion is where something moves in a...
- square.
- circle. ✓
- triangle.
-
- What do windmills use to grind the grain?
- millstone ✓
- millblock
- millcutter
-
- True or false? All windmills produce electricity?
- True
- False ✓
- In a windmill the ______ uses rotary motion to grind the grains.
- 'millstone' ✓
Exit quiz
- What does a sail catch?
- soil
- wind ✓
- water
-
- Where might you see a sail?
- scooter
- yacht ✓
- bike
- windmill ✓
-
- True or false? All sails turn in a rotary motion.
- True
- False ✓
- What do we use to safely make holes in card?
- scissors
- sticky tack ✓
- pencil ✓
- knife
-
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Wind sails are designed to catch wind.
- Wind sail models show how wind sails work.
- By making simple models, designs can be quickly tested.
Common misconception
Models need to work first time.
Through testing and repeat testing, models can be tried and adapted to work.
Keywords
Sail - these catch the wind and either turn or billow out to make something move
Model - making an example of something to test or to learn new skills
Test - trying something to see if it works and to make changes or improvement to it
Rotary motion - something that turns around in circles
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