166 NATURE-STUDY LESSONS. 



{c) A thermometer. 



{d) A Bunsen burner or a spirit lamp or a hot stove. 



A. Meaning of Term "Temperature" and Distinction From 

 Quantity of Heat. 



1. («) Having prepared the four beakers with contents 



named in No. {a), thrust a finger into the first 

 beaker. 



(b) Describe the condition of the water. 



(c) Thrust a finger into the fourth beaker. 

 {d) Describe the condition of the water. 



{e) State the difference in condition between the 

 two quantities of water. 



2. Now, test similarly the second and third beakers of 

 water. 



3. Which water has the greater degree of heat, that in 

 the second beaker or that in the third ? 



4. State the general results of your observations with 

 reference to the degrees of heat of the water in the 

 different beakers. 



The degree of heat which is possessed by a substance is its temperature. 



5. {a) Require the pupils to touch the ice. 

 (V) What is the nature of its temperature ? 



6. Compare the temperature of ice with that of the 



Bunsen flame or hot stove. 



The hot stove or the Bunsen flame is said to be of a high temperature, 

 while the ice has a low temperature. 



7. (a) Touch or feel bodies of different temperatures, 



as air issuing from the register, air coming 

 through an open window, the door-knob, a 

 slate, the blackboard, and state what you 

 know of their temperature. 



