2. Standard Compentence Understanding the scientific procedure to investigate the natural objects using equipments. Basic Competence D escribing the meaning of temperature and its measurement .
3.
4.
5.
6.
7.
8.
9.
10.
11. How are temperature and Heat related ? 1. 2. Why is the coils at the back of refrigerator feel hot ? 3. How do we measure temperature ? 4. State the physical properties which varies with temperature (Fill in the blank) ? Physical properties Examples of Thermometer using Such properties ……………………………… . Mercury-in-glass thermometer Alcohol-in-glass thermometer ………………………………… Thermocouple ………………………………… Resistance Thermometer ………………………………… Constant Volume gas Thermometer
12.
13.
14.
15.
16.
17.
18.
19. Celcius : Reamur : Fahrenheit : Kelvin Boiling point of C : Boiling point of R : Boiling point of F : Boiling point of K !00 : 80 : 212 : 373 Freezing point of C : Freezing point of R : Freezing point of F : Freezing point of K 0 : 0 : 32 : 273 Result 100 : 80 : 180 : 100 5 : 4 : 9 : 5
20.
21. Note Lo = Length of mercury column for ice point (0ºC) L 100 = Length of mercury column for steam point (100ºC) L = Length of mercury column for the unknown temperature (0ºC)
22. The 100ºC calibration mark of a mercury in glass thermometer is 30 cm Above the bulb of the thermometer. The 0ºC calibration mark is 10 cm above The bulb of thermometer. What is the temperature when the mercury level is 25 cm above the bulb of thermometer. Known. Question. Answer = ?
