Simple Machines in the Body

 



This week, we watched a presentation that was shared with us by Sebastian K's mom. We learned that our body parts are levers and pulleys. The levers are our bones and the pulleys are our muscles. The presentation is used with university students but there were lots of vocabulary words we knew like, first, second, and third class levers!

Then, we went into the gym to test out the simple machines in our bodies! 

We had a couple of different stations in the gym. One had wiffle balls, scoops, and lacrosse sticks. We tried throwing the balls, using the scoops, and using the lacrosse sticks to see which would go farther with the same amount of effort. The other station had hockey sticks, mini hockey sticks, and pucks.

We discovered that the longer the lever, the less effort is needed but more distance it needs to travel. 

"This was really fun because we got to test out the simple machines in our bodies!" ~ Callie
"It was really hard to use the small hockey sticks because they needed way more force." ~ Lillian
"I could barely hit the puck with the mini hockey stick!" ~ Hudson











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