Assignment
Listen to the weather forecast or check for the forecast in a newspaper. What is the temperature of the hottest and coldest parts in Uganda for the day recorded?
Record the temperature of these places for a week.
What is the average temperature for each of the places?
What causes daily variation in temperature of the environment?
| Fig. 5.4: Determining the lower fixed point on a thermometer
b) Gently stir for five minutes. What do you observe? c) Read and record this observed temperature of the melting ice in data table. d) Repeat the entire procedure for a second and third trial, while recording all results in the table.
Results: |
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| 1st trial | 2nd trial | 3rd trial | Average | ||
| Questions
1. Are all the values in each of the three trials the same? 2. Is the lower fixed point of the thermometer accurate? If not, give a possible explanation for the difference. |
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| Exercise:
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1. Convert the following temperature readings to Celsius scale:
(i) 1000 K (ii) 234 K (iii) 100 K (iv) 783 K 2. Convert the following temperature readings to Kelvin scale: (i) 40 oC (ii) 68 oC (iii) 34 oC (iv) 25 oC |
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