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An Unexpected Discovery
Do you love surprises and unexpected acts of kindness? On Saturday after 4th of July we went outside to discover a big bunch of balloons on our porch. We had a street party on 4th of July, and someone must have dropped them off as a surprise for our Smarty. She was delighted since she loves balloons, especially helium-filled balloons, and she never had more than one to play with.
Lifting Power ExperimentsWe did some experiments with lifting power before, but they were even more fun with more balloons. First of all, we tried to lift off a small basket, but it was too heavy:
Then we dropped our scale and repurposed a Lego basketball hoop from Smarty’s Lego Friends set to serve as a balloon basket (we taped a 2x2 plate) under it. Soon our Lego Friends character could go on her first balloon flight.
Smarty discovered that Lego Friends doll is significantly lighter than standard Lego mini figures. It took only two balloons for it to fly, but Luke Skywalker was parachuting to the floor in the same basket.
We had to brainstorm together on how to keep the balloon basket straight. My 7 year old observed that all strings should be of about the same length for the basket to be straight. Eventually we were able to send Luke and Hans Solo on the flying expedition of their own. It was rather cool since air currents from an air conditioner were moving balloons around the room.