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Transcript

  • 1. Crazy About Caffeine
  • 2. Science ProblemHow does caffeine affect a persons heart rate?
  • 3. HypothesisBased on the research, chocolate ice cream will make a persons heart rate go faster.
  • 4. MaterialsChocolate ice cream(Breyers)Vanilla ice cream (Breyers)TimerIce cream scooperbook2 bowlsspoon
  • 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. Results The average rise in heart rate forchocolate was 3.8 bpm. the average rise in heart rate was -4.5 bpm.
  • 7. ConclusionThe hypothesis was proven to be correct.