Ball Lab: Bounce, Pain and Control for Hand Pelota
A group investigation to choose the best ball for hand pelota at school by measuring bounce, control and hand discomfort. It connects the real Basque pelota ball, made of hard leather, with school adaptations.
How to play
- Context: the ball used in professional Basque hand pelota is hard, leather-covered and handmade; that's why we adapt it in class. Each group gets three types of ball (3 min).
- Bounce test: drop each ball from shoulder height and measure the rebound with the tape; three tries per ball (6 min).
- Control test: ten hits against the wall from five meters with each ball; record how many come back into the marked zone (8 min).
- Discomfort scale: after each test, every student rates their palm from 0 to 5 (3 min).
- Conclusion: each group picks a ball for beginners and one for advanced players and backs it up with their data in front of the class (5 min).
Rules
- Always hit with an open palm and moderate force.
- If discomfort reaches 4, stop using that ball.
- One hitter per section of wall.
- Record data right away, not from memory.
Variations
Easier
Only two ball types and the bounce test.
Standard
Three balls, all three tests.
Harder
Add a fourth homemade ball (tennis ball wrapped in tape) and calculate the average and the difference between hands.
Adaptations
- Visual impairment: a partner reads measurements out loud and the student does the hitting test with a bell ball.
- Hand injury: the student is in charge of data and averages.
- Limited mobility: do the control test seated three meters from the wall.
Learning goals
- Measure and compare how different balls behave.
- Make equipment decisions based on data and hand health.
- Understand why school hand pelota adapts the professional ball.
Equipment for a class of 25
- tennis balls: 6
- rubber balls: 6
- foam balls: 6
- tape measures: 6
- data sheets: 6
Teacher tip
Soft rubber balls are sold at dollar stores; if you can't find any, use bald tennis balls. Tape the measuring tape vertically on the wall to read bounces faster.
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