Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1884. Excerpt: ... ELEMENTARY SCIENCE READER. CHAPTER I. THE SNOWBALL, AND WHAT IT MAT TEACH US. 1. I should like you to know little Fred Sharp. You would soon be good friends with him, for he is as fond of play as you are. Yet he learns his lessons well, and, although not eight years old, he has been for some time in the Third Standard. 2. One cold afternoon in last March he overtook me as I was making my way home. I could see he had been enjoying himself, for his eyes were brimful of fun, and he had laughed till he was quite out of breath. 'Well; Fred,' said I, 'what mischief have you been about now?' 'Oh, none,' he answered; 'only snowballing; and we have had such a jolly time of it. But don't the big boys make hard snowballs!' 3. As we walked along he chattered away as he always does, and told me how one boy had turned sulky because some snow had gone down his neck; and how another had run off home very soon because his fingers were a little cold. 'But how was it,' he soon began again, 'that the big fellows could make their snowballs so hard? They seemed like stones.' 4. I explained to Fred, that when snow is pressed together, the air is squeezed out, and the little bits of snow are brought nearer to one another, and that they then hold together tightly. The more you squeeze the snow the harder it becomes, and if it were pressed down by a very heavy weight, it would become nearly as hard as stone, for it would be changed into ice. 5. Far away in Switzerland and other countries where there are high mountains, snow is often changed into ice in this way. A great deal of snow falls on the tops of the mountains, and before the summer sun can melt it, more snow falls, and so it gets piled up higher and higher. But the snow underneath gets so pressed down through having all th...
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