Friday afternoon the classroom was transformed into a giant race track as the students put their designs to the test. The week before last, students built ramps using their history text books and the tracks to measure the distance the cars traveled. Students were able to see a huge difference in this distance with each textbook that was added. Last week, the students changed one variable in their design to test it. Most students changed the height of the ramp, but some changed the fact that they pushed the car rather than setting it down and some added a loop to their design. Through these design challenges, students were able to change the potential and kinetic energy of their Hot Wheels cars.
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