Reiland

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Reiland

  1. 1. Crazy About Caffeine
  2. 2. Science ProblemHow does caffeine affect a persons heart rate?
  3. 3. HypothesisBased on the research, chocolate ice cream will make a persons heart rate go faster.
  4. 4. MaterialsChocolate ice cream(Breyers)Vanilla ice cream (Breyers)TimerIce cream scooperbook2 bowlsspoon
  5. 5. Procedure1. Gather materials2. Create data chart to record your results3. Take initial heart rate reading4. Put 1 scoop of chocolate ice cream into bowl5. Eat ice cream6. Read book for 5 minutes7. Check heart rate and record results8. Repeat steps 3-6 9 more times (wait 1 hour in between trials9. Repeat steps 3-6 10 times with vanilla ice cream (wait 1 hour in between).
  6. 6. Results The average rise in heart rate forchocolate was 3.8 bpm. the average rise in heart rate was -4.5 bpm.
  7. 7. ConclusionThe hypothesis was proven to be correct.

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