Save a Life Lab: CHALLENGE

This lab was definitely fun. Our design was successful, we thought of a kids life jacket and wrapped the piece of foam “life jacket”  around his head. Like a helmet, it worked! We could’ve improved team work for our design maybe a little tighter around his head. The life jacket changed the density of the man by adding more weight making it float in the water. Overall, our design worked in our first try! It was a really fun and easy CHALLENGE for our group.

– Mayerlin

Machines

Machines are useful creations, they make life easier in different ways!

Ways that machines help are:

  • transferring objects from one place to another
  • changing/moving the direction of a force
  • increasing the distance or speed of a force

Three examples of simple machines are:

  • wheel and axle
  • levers
  • pulley

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The Rube Goldberg machine was super fun! It worked once and then it struggled to keep working, obviously we can make some adjustments to make it work each time. Overall, this assignment was really fun and a new way to learn. It was cool how it all came together when each group visited the machine and added something new to make it better.

 


 

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