QUESTIONS. 277 



water away? Third form? Latent heat of vapor? 108. Boiling? 

 What fact is it important for a cook to know ? 109. When is vapor 

 formed? What does it, when expanding, always use up? 110. What 

 happens when vapor turns to water? When gases are condensed? 

 When water freezes ? How can you guard vegetables from freezing ? 



111. Vapor in the air depend on ? What happens when the air cools ? 



112. Clouds? Fogs? Mist? 113. The quantity of moisture in the 

 air depend on ? When the wind blows from the sea upon the land, in 

 what case does it not rain ? In what case does it rain ? How is rain 

 formed ? In what other way ? 114. Cause of rain in a thunder storm ? 

 115. How is snow formed? Uses of snow ? 116. How is hail 

 formed ? Hail ? 1 17. How are springs formed ? 118. Rivulets, brooks, 

 rivers ? 119. How is water important ? 120. How, as a solvent? How 

 much ammonia can it dissolve ? How much carbonic acid ? What 

 else does it bring down? 121. Effect of evaporation? Of condensa 

 tion? 122. Why do plants need much water? What becomes of it? 

 Describe the experiment which proves exhalation from the leaves. 

 What should be an object of the farmer ? 123. Irrigation ? Of what 

 use is it? to cover the hills with trees ? 124. What will guard against 

 the effects of drought ? What makes soil retentive of moisture ? 125. 

 Why should the rain be allowed to penetrate the soil ? What harm 

 does it do if allowed to run off? Why should the soil be kept mellow ? 

 How should a hill-side be ploughed ? 126. What are the remedies for 

 excessive wet? 127. Drainage? How is it effected? 128. Explain 

 the effects of drainage. 129. What others ? The first ? The second ? 

 The third? 130. Enumerate several important effects of thorough 

 drainage. 131. How is deep drainage a resource against drought? 

 132. The best preventive ? 



CHAPTER VI. 133. How do plants resemble animals ? How differ 

 from them? 134. The simplest plant? These nourished? New plants 

 formed ? The most perfect plants increase ? 135. How numerous are 

 the simplest plants ? 136. Plants next in simplicity of structure ? 

 Others? Still others? Lichens? (pronounced lyekens). 137. Most 

 plants formed ? 138. Organs ? 139. The principal organs ? 140. The 

 root? It usually divide? Amount of food depend on? 141. The 

 stem? The collar? 142. The bark? 143. The leaves ? Opposite 

 actions through their surface ? The sap become ? 144. The flower ? 

 145. How do you learn the several parts of a flower ? The calyx ? 

 Sepals? 146. The petals? The corolla ? 147. The stamens? The 

 anther? Pollen? 148. Pistils? Style? Stigma? Receptacle? The 

 style of a rose ? 149. Use of pollen ? Ovary ? Ovules ? Meant by 



