If you're like many of us, one of your first science projects in school was building a model of the solar system. Well it seems kids today still are making these homemade projects. We know, because a very nice 13 year old recently emailed us wanting to know how to do it.
Science can be so much fun.
9 smaller styrofoam balls of different sizes to match the planets. First, find a good box. It should be big enough inside to hold 9 planets revolving around the sun. Tape the box shut on three sides, leaving one side open. Remove the flaps of the box from the side that is open.