Exploratorium
Exploratorium: That's the Way the Ball Bounces
This site explains the factors that determine whether and how much a ball bounces and includes activities to test "bounciness" for yourself!
PBS
Pbs Teachers: Daredevil Ball Jump Ii Experiment
Make alterations in the variables of the original ZOOM Daredevil Ball Jump activity by heating or cooling the balls in the experiment. Predict how the balls' bounces will be affected by hot and cold, test the predictions and record the...
PBS
Pbs Teachers: Daredevil Ball Jump Experiment
Construct a device to measure the height of a bounced ball, then compare the bouncing heights of various types of balls. Record the results on a chart.