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# Measurement – Temperature

Measurement – Temperature

Temperature is defined to check how much the object is hot or cold.

There are two units to define the temperature:

For normal body, temperature is = 37°C = 98.6°F

Where, C = Celsius and F = Fahrenheit

Relation between Celsius and Fahrenheit:

This formula will be used in most of the questions of measurement of temperature where we need to convert C into F or vice versa.

Example 1: Convert 20°C to Fahrenheit.

Solution: We know that,

Therefore, Temperature in °F =  = 36 + 32 = 68°F

Example 2: Convert 37°F into Celsius.

Solution: We know that,

Therefore  = 2.78°C

Exercise

Question1: Convert the following temperature given in Celsius scale into Fahrenheit scale

1. 25°C
2. 0°C
• 3°C
1. 65°C
2. 20°C

Answer: i) 77°F  ii) 32°F   iii) 104.54°F   iv) 149°F   v) 68°F

Question 2:  Convert the following temperature given in Fahrenheit scale into Celsius scale

1. 200°F
2. 175°F
• 185°F
1. 158°F
2. 68°F

Answers: i) 93.33°C  ii) 79.44°C  iii) 85°C  iv) 70°C  v) 20°C

Recap

• There are two scales to measure temperature i.e. Celsius and Fahrenheit.
• The normal body temperature is 98.4°F or 37°C
• The device used to check body temperature is called thermometer.
• Important Formula:

## Quiz for Measurement – Temperature

 Q.1 What is the temperature in the thermometer? a) 42°F b) 41°F c) 44°F d) 40°F
 Q.2 What is the temperature in the thermometer? a) 82°F b) 84°F c) 86°F d) 80°F
 Q.3 What is the temperature in the thermometer in Centigrade? a) 18°C b) 20°C c) 19°C d) 21°C
 Q.4 The average temperature for December was 74°F. The average temperature for January was 12° colder. What was the average temperature for January? a) 60°F b) 64°F c) 66°F d) 62°F
 Q.5 A weather station predicted the temperature on Sunday would be 96°F. If the actual temperature was 11° hotter than their prediction, what temperature was it? a) 85°F b) 95°F c) 105°F d) 107°F
 Q.6 A weather station predicted the temperature on Tuesday would be 89°F. If the actual temperature was 16° colder than their prediction, what temperature was it? a) 71°F b) 75°F c) 73°F d) 77°F
 Q.7 The temperature in Delhi is 94°F and the temperature of Mumbai is 78°F. How much colder is the temperature of Mumbai? a) 12°F b) 14°F c) 18°F d) 16°F
 Q.8 The instructions to cook a pizza say to set the oven at 363°F. If Sam set her oven 22° warmer than the instructions said, what temperature did she set her oven? a) 385°F b) 375°F c) 365°F d) 355°F
 Q.9 The temperature inside a car was 80°F. After standing in the sun for an hour the temperature in the car rose to 122° F. How much did the car warm up? a) 40°F b) 42°F c) 44°F d) 46°F
 Q.10 Convert Celsius to Fahrenheit: 75°C a) 167°F b) 165°F c) 163°F d) 161°F