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Before practice, the members of the Oak Grove High School basketball team inflated the team's basketballs to a pressure of 8 pounds per square inch. The team members wondered if the air pressure in the basketballs would affect bounciness. They thought that if bounciness depended on air pressure, then basketballs inflated to a higher pressure would bounce higher. The team members inflated ten basketballs to different pressures and dropped each ball three times from a ladder. They measured how high the basketball bounced each time. Then, they made a graph to see if the basketballs inflated to a higher pressure bounced higher. From the graph, they concluded that the basketballs with a higher pressure were bouncier. The team members shared their graph with other sports teams at their school. The soccer team decided to test for the same pattern with soccer balls.