This simple science activity is a fun way to explore how things work. See how fast you can make your balloon hovercraft go! Glue the water bottle lid to the CD, so that the two holes match up - i.e.
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Robert Tymofichuk, a teacher in Alberta, Canada, spent nearly 2,000 hours building an operational hovercraft from salvaged car parts and with no blueprint. By Emmett Lindner On a cold spring day in a ...
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