We joined Joanne's class midway through the Balls
and Ramps unit. Her students had already had many opportunities
to explore the behavior of balls, and had even done an activity
to explore how well different balls bounce. So, why do some balls
bounce higher than others? The bounce depends on the ball's construction,
the material it is made from, the surface that the ball hits,
and even its temperature. You can explore this idea further at:
