Starter quiz
- Rotary motion turns in which shape?
- square
- circle ✓
- triangle
-
- What tool would you use to cut the wind sails for your windmill?
- hammer
- scissors ✓
- saw
- ruler
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- What do we use wind for?
- to help move things like boats and kites ✓
- to make the sun hotter
- to make things disappear
-
- What do we use to make things?
- water
- materials ✓
- objects
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Exit quiz
- Match the word to the meaning
- material⇔what something is made from ✓
- properties⇔words to describe what a material is like ✓
- thickness⇔the size through an object and thick is the opposite of thin ✓
- Which of these are properties of materials?
- hard ✓
- water
- thick ✓
- sand
-
- What do we call it when we try something to see if it works well?
- guessing
- testing ✓
- drawing
- recording
-
- What should we do after testing different sails?
- pick the one we like the most, even if it didn’t work well
- choose the one that worked the best ✓
- use all of them at the same time
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Wind sails can be made of different materials.
- By testing materials, the most suitable can be selected.
- Discussing the results of test can help us select the correct materials.
Common misconception
Wind sails are always made of wood.
Wind sail structures may be made of wood, but will have fabric to catch the wind.
Keywords
Materials - what something is made from
Properties - words to describe what a material is like
Thickness - the size through an object and thick is the opposite of thin
Testing - trying something to see if it works and to make changes or improvement to it
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