Question
How does the surface type affect the number of bounces of a tennis ball?
Hypothesis
If we drop the ball on a softer surface, then it will bounce less times than on a hard one.
Materials List
Floor
Jacket
Desk
Binder (x2)
Tennis ball
Slow motion camera (phone)
Metre stick
Procedure
Set up equipment (listed above).
Drop the ball from a height of 1 metre on the first surface.
Film the drop (in slow motion).
Count and record the bounces.
Repeat 2 more times.
Find and record the average amount of bounces.
Repeat process on the other surfaces.
Data Table (you should include the WHOLE data table, not just the averages)
Trial 1
Trial 2
Trial 3
Average
Floor
7
10
10
9
Jacket on floor