. Map modeling in geography : including the use of sand, clay putty, paper pulp, plaster of Paris, and other materials : also chalk modeling in its adaptation to purposes of illustration. d deeperchannel. Where does the rain come from ? But how did the clouds gather rain and let it come down tothe earth ? See how muddy the water has become in the little stream. Did you ever see the pools of muddy water formed in thehollows of the road ? Water flows from a higher to a lower level. 20 Map Modeling in Geography. The water carries the fine soil down the slope. Does it takethe sand so far ? The lit
. Map modeling in geography : including the use of sand, clay putty, paper pulp, plaster of Paris, and other materials : also chalk modeling in its adaptation to purposes of illustration. d deeperchannel. Where does the rain come from ? But how did the clouds gather rain and let it come down tothe earth ? See how muddy the water has become in the little stream. Did you ever see the pools of muddy water formed in thehollows of the road ? Water flows from a higher to a lower level. 20 Map Modeling in Geography. The water carries the fine soil down the slope. Does it takethe sand so far ? The little rills cannot move the larger the large stream along the roadside may move quite largestones. Where will the mud of the water be left ? Is there a long slope near the school ? What kind of soilcovers the surface. Do you know what is underneath ? Find some sand; some fine loam of the meadow. Bring clayfrom the banks of the stream. Here is sova^ gravel. Some day when the dark water is rushing down the slope ofthe roadway, go out and dip up a glassful of the water. Let itstand all night in the glass. What is it that you find at thebottom ? Mjp Modeling in Geography. 21. Fig. The Hill. 1. The child may now be led to represent the hill by model-ing it in the sand. 2. Let him model some hill known to him by name. 3. Call attention to the different kinds of slopes. 4. Show that the hills and valleys must occur are hills covered ? Can you describe Whites hill ?What does water do to hills ? How many slopes must the bed of a stream have ? The drops of rain make the r///, and the rill its little make rivulets^ and rivulets make a gully in the make torrents, and these, working with greater force,tear out deep gorges in the slopes of the hills. Valleys in plains are mainly the result of the wear of the sur-face by running water. But the great valleys of the earth were formed by folds inthe crust. Such a lesson on local geography i
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