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Simple Machines
Lab 4 - Gears

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Discussion Prompts


  • What forces did you investigate?
  • What data was collected in the investigation?
  • What did you notice about the size of the meshing gears? 
  • What cause and effect relationship did you observe? 
  • How do gears make the Clock work easier?


  • How did the data and observations help you to predict how the new gears would turn?
  • What if more gears were added to the Clock? How would it work differently?


  • What worked well in your team?  
  • What would you change for next time? 
  • What challenges, if any, did you face?