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President's Day
Be My Little Baby Bumblebee/Bringing Home A Baby Bumblebee
Heavyweight colored kraft paper roll
High quality construction
Earth Day Hooray
Pendulum, Student Model 503 President's DayAs the pendulum swings back and forth, its energy changes from potential energy (the energy it has at the top of its swing, when it is raised up) into kinetic energy (the energy of motion). But the pendulum can be used as a device to explore other concepts as well. The time for one swing doesn't depend on the size of the swing or the mass at the end of the pendulum, only on the length. This is why the pendulum came to be used in the earliest accurate
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