Tuesday, January 28, 2014

Science: Falling, falling, falling

As we began our unit on flight, we first learned that gravity pulls everything down towards the center of the earth.  The girls made hypotheses as to how 2 stones, one large and heavy and one small and light, would land.  To their surprise, when they did the experiment, if the stones were dropped at the same time, they landed at the same time, regardless of size or weight!  The girls have now done experiments, changing one variable at a time, to see what changes can be made to slow the decent of a parachute.  Sharing what they have learned by experimentation will help them as each group designs a parachute to let an egg (hopefully!) drift gently from the deck of the Science Center to the ground without breaking.