Title : May the Force Be With You!
link : May the Force Be With You!
May the Force Be With You!
Very often, magnets are one of the first aspect of science children discover. They can be found in so many everyday objects children encounter on a daily basis, from refrigerator magnets to magnets on the back of plastic letters found in their toy box. Magnets are easy to use, safe, fun, and most importantly: surprising. One of the most fascinating things about magnets is the way they can attract metal objects and other magnets “at a distance”, invisibly, through what we call a magnetic field.
Third graders have been exploring the properties of magnets and forces during our science unit “Balanced Forces”. First, I introduced them to the phenomenon of a floating train in a mysterious town. They were then on a mission to determine what made this train rise off the tracks, float in the air, and then fall back down at the end of the trip.
After exploring different kinds of forces, we focused our attention on the power of magnets. The students had the opportunity to determine what types of materials were attracted to magnets, when magnets repelled and when they attracted other magnets, and how the magnetic force could act on objects without even touching the object (non-touching forces).
Today, students were presented with the challenge of trying to make a train (represented by a block of wood) move without anything touching it. After all the observations and experiments over the past few weeks, I was very impressed with how quickly the students were able to assemble the magnets to make the block move. Not only were they able to explain to their partners why the block moved without anything touching it, they also made the connection that this was also a similar situation to the floating train. I feel so confident that these third graders now have a strong understanding of how magnets and magnetic fields affect other objects.
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