Introduction to simple machines in Third Grade

As part of their unit studying simple machines, the Third Grade made good use of the Project Space to set up various tests to lift loads with different sizes of pulleys. With the help of Leader In Residence, Ja’Daiza Johnson, the entire class was able to choose several pulleys to test with a standard weight in buckets to see which used the least amount of force to raise the load. Just wait until they get into inclined planes!

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