We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
90
PHYSICAL SCIENCES
"1000 and One
■PHYSICAL SCIENCE
These talking pictures fit right into Science Courses
Oxidation and Reduction • Molecular Theory of Matter • Electrostatics • Energy and Its Transformations • Sound Waves and Their Sources • Fundamentals of Acoustics • The Work of Rivers • Atmospheric Gradation • Ground Water • Geological Work of Ice • Mountain Building • Volcanoes in Action.
Erm Picture Consultants
* INCORPORATED
250 W. 57th St. New York, N. Y.
GROUP 101 (Continued) Physics and Mathematics
Behavior of Light (1) How light is transmitted and how it is reflected, refracted, or absorbed by various media. (©57, 104) Captured Electricity (1) Ways of developing electricity. (©A30) Colloids and Their Behavior (2) Physico-chemical phenomena (semipopular) — clouds, geysers, production of colloids by electric arc, etc.
(0A159)
Communication by Electricity (1) Study of sound waves and application to electric bell, telegraph, telephone, and wireless. (058)
Current Electricity (2) Relation between electrostatics and electric currents ; fundamentals of current electricity. (©58)
Current Generation (2) Principles; practical and theoretical sides of electro-magnetic induction. (©58)
Early Experiments of Michael Faraday (1) Demonstration of Faraday's experiments on magnetism. (A78)
Einstein's Theory of Relativity (2) Popular explanation of the elementary theory of Einstein's law showing the relativity of motion, direction, size, speed, time and measurements. (©Ill)
Electromagnetic Induction (1) Important experiments with elaborate equipment such as only a great university possesses. (©A168)
Electromagnetism (2) Fundamental relations of electricity and magnetism. (©58, ©A168)
Electrostatics (1) Theory of static electricity. (©58, ©A168)
Electrostatics (1) Production and properties of the two kinds of static electricity; modern theories of electricity. («29, 189, #±186, *©A63)
Energy and! Its Transformation (1) Different kinds of energy; simple mechanical concepts of work, potential and kinetic energy shown.
(•29, 189, #±186, #©A63)
Experiments in Physics (1) Describes various physical phenomena portrayed by outstanding basic exhibits at Chicago World's Fair. (©32)
Experiments in Heat Conduction (%) Laboratory experiments. (©A30)
Fundamentals of Acoustics (1) Velocity of sound, phenomena of refraction, audibility range of human ear, reflection and absorption of sound. (#29, 189, • A63, 186)
Lenses (1) Shows action of converging, diverging and achromatic lenses. (©57)
Magnetism (1) Fundamental properties. (©58, ©A168)
Magnetic Effects of Electricity (1) Deals with magnetism, electromagnetism, meters and motors. (©57)
Molecular Theory of Matter (1) Hypothesis illustrated by animation; behavior of molecules in various conditions ; Brownian movement.
(•29, 189, #±186, e©A63).
Mysterious Forces (1) Study of physics. (©58)
Optical Instruments (1) How mirrors, the eye, cameras, projection machines, microscopes, and telescopes operate. (©57)
Peculiarities of the Air (%) Laboratory experiments. (©57)
Revelations by X-Ray (1) Electrical action in producing X-rays and their power to reveal inner structure of opaque objects. (©10, ©A78)