We're all familiar with the effects of gravity. Drop the lunch tray and -BOOM- everything's splattered on the floor. Jump up and you come down. But what is gravity, exactly, and how does it work? What causes it? Learn the details here, as well as how gravity affects our solar system.
Here are two presentations on gravity, as well as the 3x3 activity for you to print out that we did in class on 9/21.
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