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Making connections

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Making connections

1. 1. “ Making Connections” NYSED Lab Michael H. Comet South Lewis High School, Turin, NY The new NYSED monument, possibly? (LE teacher humor, you wouldn’t understand…)
2. 2. How many times in one minute can you squeeze a clothespin?? <ul><li>Go to: </li></ul><ul><li>http://www.exploratorium.edu/hockey/fitness2.html </li></ul><ul><li>An interesting take on the entire lactic acid build-up argument. </li></ul>
3. 3. First, Look for a pattern… Taking your pulse is rather simple. Use the index and middle finger of one hand to palpate (feel) the arterial pulse in your radial artery on your wrist. Count for 15 seconds and multiply by 4 to determine the number of times your heart beats in one minute. Pulse Rate Trial #1 ____X 4 = _____ bpm Trial #1 ____X 4 = _____ bpm Trial #1 ____X 4 = _____ bpm Note: The NYSED “Making Connections” Lab measures for 20 seconds and multiplies by 3, but any calculation that leads to a count of 60 seconds is acceptable.
4. 4. Collect “Class Data” and prepare a “histogram” of your results… And now, develop and draw your histogram… Average Pulse Rate Range Number of students in this range >90 81-90 71-80 61-70 51-60 <51 Pulse Rate per minute (range of averages) >90 81-90 71-80 61-70 51-60 <51
5. 5. And now, make a hypothesis… Student A If you exercise first, then you should be able to squeeze a clothespin more times in one minute. Student B If you rest first, then you should be able to squeeze a clothespin more times in one minute. Explain why… Explain why…
6. 6. Now, do your “experiment” and collect your data… <ul><li>3... 2… 1… GO!!! Start </li></ul><ul><li>counting the number of </li></ul><ul><li>Squeezes for one FULL </li></ul><ul><li>minute and record your data. </li></ul>