HEAT 83 



QUESTIONS AND EXERCISES 



1. State the uses made of heat that you have seen. 



2. Does your body serve well as a thermometer? Why? 



3. Why does the mercury of a thermometer rise in the tube when 

 the air around it becomes warm? 



4. What temperature on the Centigrade thermometer is the 

 same as 32 F? 98.4 F? o F? 70 F? -40 F? 212 F? 



5. Where do you have your thermometer at home? Is it of 

 more use outside the house than in the living room? Why? 



6. Explain the difference between temperature and calorie. 

 Give the use of each. 



7. Name the different ways of making heat. State some uses of 

 heat. 



