Each group needs:

• 3 different balls (suggestions: ping-pong ball, tennis ball, racquetball, golf ball, baseball, super ball, clay, billiards ball)
• 3 different bouncing surfaces (suggestions: tile floor, linoleum floor, carpeted floor, wooden block, cinder block)
• kilogram or gram scale
• meter stick
• 3 copies of the Bouncing Balls Worksheet (one per student)