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Changing Temperature Design Practical On Body Temperature

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High Knees Practical
Changing Temperature Design Practical

Aim:
To determine whether physical activity has an effect on body temperature.

Hypothesis:
Physical activity will increase body temperature. Equipment:
• Thermometer
• Timer (stopwatch) Variables
Independent Variable:
• Temperature
• High Knees Dependent Variable -
• Temperature
• High Knees

Constant Variable -
• Amount of time (exercise and break) Method:
1. Thermometer was cleaned with methanol
2. Temperature was measured
3. As soon as high knees commenced, timer started
4. Timer stopped after 30 seconds
5. Rested for 2 minutes
6. Steps 2 to 5 were repeated 2 times. Results: Amount of high knees Temperature °C (after each round)
Before experiment - 33.7
Round 1 87 34.7
Round 2 75 35.5
Round 3 62 35.9

(Faye completed the exercise)

Observations:
The amount of high knees gradually decreased after each round and the temperature increased aftr each round.

Discussion:
Data analysis
The results shown above support the hypothesis. The temperature behind the knee was measured, before the actual experiment commenced. The thermometer read 33.7 °C. A session of exercise was undertaken, in this case high knees. Each session was 30 seconds long. As each block of exercise was completed, the results displayed a gradual decrease in the amount of high knees completed. Therefore, this meant that the body was overcoming muscle fatigue and was
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