The Book of Nature Study, Vol. 6 (Classic Reprint)

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Excerpt from The Book of Nature Study, Vol. 6First, as regards sunshine and temperature, bring out the fact that on any given day it is always hotter in the sun than out of it, that our hottest days are those when the sun shines longest (roughly speaking, that is) that it is colder at night when the sun does not Shine than in the day when it does, and so arrive at the deduction that the sun is the great source of heat. What then becomes of the sun on cloudy and foggy days? The teacher will be wise to devote much time to the answering of this question, for the fact of the sun's presence in the sky on dull and Cloudy days, behind the clouds, is by no means clearly realised by children and uninstructed people.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.