Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen. Brought to you by the Exploratorium's Science Snacks.
Under 5 minutes
5 to 10 minutes
Estimated Materials Cost:
1 cent - $1 per student
Ages 4 - 14
Paper and marking pens or butcher paper and sand
An old record-player turntable (hunt for one at flea markets, thrift stores, on eBay—a lazy Susan with a square or circular board placed on it will also work, but it will have to be rotated by hand)