DIRECTIONS: Choose the letter of the correct answer. Encircle the LETTER of the best answer. 1. An instrument used to measure temperature. A. Tangram B. Thermostat C. Thermometer D. Thermomanometer 2. It is a unit of the metric system which measures temperature? A. $^\circ$ Celsius B. $^\circ$ Celsiums C. $^\circ$ Fahrenheit D. Both A & C 3. It is the hotness or coldness of a matter which is often expressed in degree Celsius. A. Temperature B. Temparature C. Thermostat D. Thermal 4. If 100 $^\circ$C is the boiling point of water, what is its freezing point? A. -10 $^\circ$C B. 0 $^\circ$C C. 10 $^\circ$C D. 20 $^\circ$C 5. Give the reading of the thermometer which is 50 $^\circ$C lower than the boiling point? A. -50 $^\circ$C B. 0 $^\circ$C C. 50 $^\circ$C D. 100 $^\circ$C
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Select all the statements that correctly describe temperature Check all that apply: Fahrenheit, Celsius, and Kelvin are all examples of temperature scales. The degree increments of all temperature scales are always the same. Temperature can be measured using a thermometer. Temperature is a measure of how hot or cold something is. Room temperature is the same numerical value regardless of the temperature scale used.
Jennifer H.
The relationship between temperature measured in the Celsius scale and the Fahrenheit scale is linear. The freezing point of water is 0°C and 32°F, and the boiling point is 100°C and 212°F. (a) Find an equation giving the relationship between the temperature F measured in the Fahrenheit scale and the temperature C measured in the Celsius scale. F = (9/5)C + 32 (b) Use the formula from part (a) to determine the temperature in Fahrenheit corresponding to a temperature of 30°C. (Round your answer to one decimal place.) °F = (9/5)(30) + 32 (c) Find C as a function of F and use this formula to determine the temperature in Celsius corresponding to a temperature of 80°F. (Round your answer to one decimal place.) °C = (5/9)(80 - 32)
Avi Z.
In the text, the Kelvin scale of temperature is defined as an absolute scale in which one Kelvin degree unit is the same size as one Celsius degree unit. A second absolute temperature scale exists called the Rankine scale. On this scale, one Rankine degree unit $\left({ }^{\circ} \mathrm{R}\right)$ is the same size as one Fahrenheit degree unit. (a) What is the only temperature at which the Kelvin and Rankine scales possess the same numerical value? Explain your answer. (b) What is the boiling point of water expressed in ${ }^{\circ} \mathrm{R}$ ?
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