___________
Science
Forces including simple machines

Starter quiz

  • Simple machines are designed by engineers. Why do people use machines?
    • they make factories look up to date
    • they make is easier to perform tasks  ✓
    • they are enjoyable to work with
  • What is the main role of an engineer?
    • to grow crops and raise animals
    • to sell products for a company
    • to design solutions and help solve problems  ✓
    • to organise meetings and other events
  • Engineers design and create new processes or machines that have not been used before. What are these called?
    Engineers design and create new processes or machines that have not been used before. What are these called?
    • levers
    • projects
    • pulleys
    • inventions  ✓
  • Ancient Egyptian engineers used inclined planes to help build the pyramids. What do inclined planes help people to do?
    Ancient Egyptian engineers used inclined planes to help build the pyramids. What do inclined planes help people to do?
    • join materials together
    • raise the height of a load without lifting  ✓
    • split materials
    • lift loads using a wheel and rope
  • Match the skills that an engineer might have to the examples.
    • being curious
      ⇔
      I wonder why some insects are red. ✓
    • being observant
      ⇔
      I’ve noticed that the birds don’t eat red insects. ✓
    • being creative
      ⇔
      I could design a red scarecrow to keep birds away. ✓
  • An engineer is including gears in their design. Which of these gear systems will make the output turning force slower and stronger than the input?
    • 1. the small gear is turned as the input
      1. the small gear is turned as the input  ✓
    • 2. the large gear is turned as the input
      2. the large gear is turned as the input
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