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Contributed by: Third International Math and Science Study (TIMSS)
Task: At this station, you will find out how your pulse
changes when you climb up and down on a step for 5 minutes.
At this station you should have:
- A watch with a second hand
- A step on the floor to climb on
Read ALL directions carefully.
This is what you should do:
- Find your pulse and be sure you know how to count it. IF YOU
CANNOT FIND YOUR PULSE ASK A TEACHER FOR HELP.
- Count your pulse for 10 seconds.
- Write the number of counts in the table below on the line marked
0 minutes.
- Now climb up and down on the step for about 5 minutes. Stop
after each minute and write your pulse in the table below.
| Number of minutes climbing |
Number of pulse counts in 10 seconds |
| 0 Minutes |
|
| 1 Minute |
|
| 2 Minutes |
|
| 3 Minutes |
|
| 4 Minutes |
|
| 5 Minutes |
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- How did your pulse change during this exercise?
- Why do you think your pulse changed in this way?
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