130 NATURE-STUDY REVIEW [11:3— Mar., 1915 



Problems — 



How can we show that there is water in the air of this room? 

 What happens when water boils? 

 What harm is done by freezing water? 

 What good is done by freezing water? 



Spring 

 I. The Awakening Trees. 



i . Study of twigs of oaks and fruit trees kept in water. 



2. Development of buds outdoors. 



3. Study of flowers of fruit trees. 



4. Calendar of blossoming of trees. 

 Problems — 



How can we tell these twigs apart before the leaves come out? 

 Which appear first the leaves or blossoms on the oaks and fruit trees? 

 What are the names of the parts of an apple blossom? 



II. The Awakening Flowers. 



1. Dutch hyacinth from bulb planted in fall. 



2. Calendar of wild flowers. 



3. Excursion for wild flowers for May basket. 



4. Special study of dog-toothed violet and the blue, white, and yellow 



violets. 

 Problems — 



What do you like about this hyacinth flower? 

 How may the different violets be told apart? 

 Of what use is each part of the violet flower? 



III. The Awakening Seeds. 



1. Schoolroom gardening. 



A. Plant indoors seeds of corn and zinnia. 



B. Experiment to show use of cotyledon of pea to seedling. 



2. School garden; plant corn and zinnia; garden notebooks. 



3. Home gardens. 



A. Distribute Cleveland order envelopes for penny packets of 



seeds. 



B. Lesson on home gardens; use, care; gardens visited by 



teacher. 



C. Charts showing pictures of, Flowers Easily Grown and 



Vegetables Easily Grown. Reports on father's garden. 

 Problems — 



We will plant seeds of corn and zinnia so as to watch the plants and 



see how fast they grow. 

 Why would you like to have a garden ? 

 What must you do if you wish to have a garden this spring? 



IV. The Awakening Animals. 



1. Turtles, frogs, snakes. 



2. Development of moth from cocoons collected in fall and winter 



or from the caterpillars reared in fall. 



