2C30.50 Terminal Velocity in Water, Glycerin
Drop aluminum balls in large test tubes, one filled with water, the other with glycerine. Movie with three tubes used 1/4″ steel balls. Can also use different diameter balls as well as different density (aluminum vs steel) balls. Put rubber cork in bottom of test tubes to prevent breakage. :-0
Location: Balls, Test Tubes & stand: U3-2; Glycerine: U2-7 Use LED tracing light to illuminate