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Summary
Identifier: laboratorylesson00brow (find matches)
Title: Laboratory lessons in general science
Year: 1916 (1910s)
Authors: Brownell, Herbert. (from old catalog)
Subjects: Science
Publisher: New York, The Macmillan company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress
Text Appearing Before Image:
why so ? Whatis the number of the stars? 4. At what season of the year do the stars generallyseem to be brightest? What is true of the amount ofwater vapor present in the atmosphere then? What com-monly is the cause of any haze overcasting the sky, dim-ming the light of the stars or hiding them altogether?What differences are there in the appearance of stars otherthan brightness? 5. What significance has the rising and setting of stars,i.e., what occasions it? What is the real name of the so-called shooting stars? What is their nature? 6. After some sufficient time (which the weather andother conditions will determine), be prepared from obser- o 193 194 LABORATORY LESSONS IN GENERAL SCIENCE vations made by you (either with or without assistance) towrite answers to the following requirements: — (a) Whether the path of any star (or constellation) acrossthe sky night after night is always the same. (b) What is true of the places of rising (or setting) of thesame star night after night.
Text Appearing After Image:
Fig. 86. — Polar constellations. (c) The names of several constellations always abovehorizon (that never set) to observers in your latitude. (d) The appearance of the Milky Way. Its place in thesky relative to some known constellations. Its real nature. THE HEAVENS 195 (e) A diagram (at board, or on paper) showing the formof the Big Dipper/ and its position relative to the NorthStar. (/) If any change occurs in the brightness of the samestar night after night, aside from effects of atmosphericconditions. 7. From books and other sources secure information onthe following topics: — (a) The names of the eight planets of our solar systemin order of their distances from the sun.