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How does different types of balls effect bounce height?
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Conclusion
- Tennis ball bounced higher than golf ball
- Because the tennis ball had pressurized air in it
- The golf ball had a rubber core which doesn't bounce well on the surface that we are using
- The golf ball would bounce higher on a hard surface
- Helpful for Tennis and Golf players
- Questions for future experiments
- On what surface would the golf ball bounce higher than the tennis ball
Graph
How do different types of balls affect bounce height?
Variables
Independent Variable- Type of ball used
Dependent Variable- Bounce height
Controlled Variables- Surface, tape measure, same person drops the ball, same person measures the height, positioning of tape measure
Procedure
1. Gather all necessary materials
2. Hold the ball at the 100 cm. line and drop
3. Record bounce height
4. Repeat steps 2-3 for a total of three trials
5. Repeat steps 2-4, increasing the drop height by 25 cm. until you reach 250 cm.
6. Record data on data table
7. Calculate averages in data table
8. Make line graph based on data
Hypothesis
If a tennis ball and a golf ball are bounced, then the tennis ball will bounce higher then the golf ball because the tennis ball has pressurized air inside of it making it need to use less energy to deform, and having more energy left for the rebound.
Pictures
Different balls used
Calculating the bounce of the gof ball from 125 cm.
Reflection
Things we did well
- performing the task consistently
- recording the data.
Things we did not do well
- watching the ball as it bounced
- making sure that the ball didn’t drop on the little metal part of the tape measure that was on the floor
Improvement
- make sure that the same person dropped the ball