Starter quiz

  • What is used in the model windmill to help to keep it upright?
    • balls
    • ballast  ✓
    • bricks
  • Which of these are good materials to use as ballast in a model windmill?
    • water
    • sand  ✓
    • oats  ✓
    • oil
  • What does freestanding mean?
    • stands up by itself and then falls over
    • does not stand up by itself
    • stands up by itself and does not fall over  ✓
  • A ___________ is what something is made from.
    • material  ✓
    • object
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