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Friction and Air Resistance
Whatever Pulls Your Sled by Jeanine Wolf Students will test determine if the surface of an object will effect how much force it takes to pull that object. They will then determine the most efficient way to attach the string to the object to reduce the necessary force and finally they will adjust the take …
Trent Herbst, Iditarod veteran musher and Idaho teacher, shares a unique program with audiences focusing on a very hands-on experience for his 4th graders. The students choose a project to build and it’s ranged from rolling to floating to sliding vehicles. The sliding ones, the sleds they build, get pulled by a couple of Trent’s …
Lift, weight, thrust and drag are the four physical forces that make flight possible. Which of these physical forces can be applied to a dog sled as it glides along the trail? Teacher on the Trail™, Linda Fenton, posed that exact question to her third grade students while learning about and experimenting with the 4 …