The NAEP ... Technical ReportOffice of Educational Research and Improvement, U.S. Department of Education, 1972 - Education |
From inside the book
Results 1-5 of 100
Page 19
... light , then also with reflected light . Observations on the connection between absorption and the direction of polarization of transmitted and reflected light led in 1848 to a well - founded theory bearing on Babinet's rule that a ...
... light , then also with reflected light . Observations on the connection between absorption and the direction of polarization of transmitted and reflected light led in 1848 to a well - founded theory bearing on Babinet's rule that a ...
Page 22
... light- colored moth Biston betularia by a dark mutant form ( 1924 ) , was strikingly verified by field studies thirty years later . In 1933 Haldane left Cambridge for University College , London , where he occupied first the chair of ...
... light- colored moth Biston betularia by a dark mutant form ( 1924 ) , was strikingly verified by field studies thirty years later . In 1933 Haldane left Cambridge for University College , London , where he occupied first the chair of ...
Page 28
... light and would provide a permanent record of these and other solar phenomena . He called it a spectro- heliograph . In 1868 Janssen and Lockyer had observed promi- nences visually outside of eclipse for the first time . C. A. Young ...
... light and would provide a permanent record of these and other solar phenomena . He called it a spectro- heliograph . In 1868 Janssen and Lockyer had observed promi- nences visually outside of eclipse for the first time . C. A. Young ...
Page 29
... light ( developed by R. J. Wallace at Yerkes ) he de- tected vortices in the hydrogen flocculi in the vicinity of sunspots . This observation led to the hypothesis that the widening of lines in sunspot spectra might be due to the ...
... light ( developed by R. J. Wallace at Yerkes ) he de- tected vortices in the hydrogen flocculi in the vicinity of sunspots . This observation led to the hypothesis that the widening of lines in sunspot spectra might be due to the ...
Page 30
... light modulator , developed the solar magnetograph in the Hale Solar Laboratory in Pasadena and obtained the first reliable method for measuring magnetic fields on the sun's surface . They found evidence of the existence of a polar ...
... light modulator , developed the solar magnetograph in the Hale Solar Laboratory in Pasadena and obtained the first reliable method for measuring magnetic fields on the sun's surface . They found evidence of the existence of a polar ...
Other editions - View all
Common terms and phrases
A. I. Sabra Academy of Sciences acid activity Albrecht von Haller algebraic Almagest anatomy animal astronomical became Berlin BIBLIOGRAPHY biography blood body botany Cambridge century chemical chemistry College contributions discovery disease electric England equation experimental experiments fols functions Geological geometry George Ellery Hale German Geschichte Göttingen Haeckel Haldane Hales Hall Haller Hamilton Harvey Hauksbee Helmholtz Helmont Henry Heraclitus Herophilus Herschel Hertz Hevelius Heyrovský Hilbert Hippias Hippias Major Hippocrates History Hobbes ibid Ibn al-Haytham important Institute interest investigations J. R. Partington John Journal laboratory later lectures Leipzig London mathe mathematics mechanics medicine Memoirs ment method motion natural observations observatory Optics organic ORIGINAL Oxford papers Paris Philosophical physician physics physiology plants polarography problem professor published quaternions Royal Society scientific SECONDARY LITERATURE solar stars telescope theoretical theory tion trans translated treatise University vols William William Herschel writings wrote York
Popular passages
Page 43 - ... all sensation is excited, and the members of animal bodies move at the command of the will,- — -namely, by the vibrations of this Spirit, mutually propagated along the solid filaments of the nerves, from the outward organs of sense to the brain, and from the brain into the muscles.
Page 279 - Rhees, ed., The Smithsonian Institution: Documents Relative to Its Origin and History, 1835-1899, 2 vols.
Page 39 - Vapour, which is a sort of Air, and by cold into Ice, which is a hard, pellucid, brittle, fusible Stone; and this Stone returns into Water by Heat, and Vapour returns into Water by Cold. Earth by Heat becomes Fire, and by Cold returns into Earth. Dense Bodies by Fermentation rarify into several sorts of Air, and this Air by Fermentation, and sometimes without it, returns into dense Bodies.24 The Aristotelian character of this passage need hardly be pointed out.
Page 284 - MEDICAL SERIES. No. I. SKETCHES OF THE LIVES AND WORK OF THE HONORARY MEDICAL STAFF OF THE ROYAL INFIRMARY. From its foundation in 1752 to 1830, when it became the Royal Infirmary.
Page 54 - Description d'une suite d'expériences qui montrent comment la compression peut modifier l'action de la chaleur (Geneva, 1807).
Page 133 - Wound Healing and Reconstitution of the Central Nervous System of the Amphibian Embryo After Removal of Parts of the Neural Plate," in Journal of Experimental Zoology, 106 (1947), 27-84.
Page 321 - The Reduction and Arrangement, in the form of a Catalogue in Zones, of all the Star Clusters and Nebulae observed by Sir William Herschel in his Sweeps...
Page 58 - The Two-fold Slavery of the United States: With a Project of Self-Emancipation (London, 1854).
Page 161 - Nereis Boreali-Americana; or, Contributions to a History of the Marine Algae of North America.
Page 286 - Jahresbericht der Kommission zur wissenschaftlichen Untersuchung der deutschen Meere in Kiel für das Jahr 1871 (1873), pp. 155-159; "Resultate der statistischen Beobachtungen über die Fischerei an den deutschen Küsten...