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Year 1 - Design and technology

Select materials for wind sails

Rotary mechanisms: windmills

Unit Summary

This unit introduces knowledge of simple rotary mechanisms that create movement. Pupils will investigate how windmills work, consider sail design, and produce a working model that will be tested for stability and movement.

Lesson Summary

You will learn to choose materials that will work best for your sails.

Key Notes

  • 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.

Vocabulary To Learn

  • 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

Common Mistakes To Avoid

  • Wind sails are always made of wood.

3 Quick Questions (With Answers)

1. Explain the lesson in two key points.

Wind sails can be made of different materials. By testing materials, the most suitable can be selected.

2. What does this key word mean in this lesson? 'materials'

what something is made from.

3. Correct this common mistake.

Mistake: Wind sails are always made of wood. Correction: Wind sail structures may be made of wood, but will have fabric to catch the wind.

More Lessons In This Unit

Browse all guides in the Year 1 Design and technology guide library.