6 MATERIALS FOR LABORATORY EXERCISES 



Magnetic compass. 

 15-inch insulated copper wire. 

 2 binding posts. 

 Strip of zinc and of copper. 

 Bunsen burner. 

 Evaporating dish. 

 Combustion spoon. 



Solutions of sulphuric or hydrochloric acid, ammonia, 

 limewater, iodine, nitric acid (50 cu. cm. each). 

 Common salt. 



Strips of litmus papers, pink, blue, lilac. 

 Dissected cone (base 3 inches). 

 Sheet of topographic map. 

 Wheat seeds; dried beans or peas. 

 Young plant (can be raised at school). 

 Low, wide-mouthed bottle. 

 Flower. 

 Fish. 



