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QUANTUM
FOR JUNIOR SCHOOLCHILDREN
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Nervous braiding is balanced by placing a small weight on one of the cups. Can I now weigh on these scales in the usual way?
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Why is it worse for a person to distinguish between objects in the evening than during the day?
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How to determine the pressure in the cylinder of a light bulb using a cylindrical or straight vessel with water and a ruler?
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A scuba diver wants to measure the depth of a lake. How can he do this, given a cylindrical vessel and a ruler?
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Why are salt crystals colorless, but the mass of salt is gray or white?
Editorial Head L. V. Chernova
Chief artist A. I. Klimanov
Art editor O. N. Yakovleva
Proofreader V. P. Sorokina
Publishing house “Science”
Main editorial office
physical and mathematical literature.
Moscow, V-71, Leninsky Prospekt, 15
Tel. 234-08-11
Delivered to set 26/V 1971
Signed into print on 29/VII 1971.
Paper 70×100/16. Phys. oven l. 4. Condition-bake. l. 5.2.
Academic ed. l. 5.46. Shooting gallery 266135 T-12363.
Price 30 kopecks. Order 1060.
Chekhov printing plant Glavpolygraphprom
Press Committee under the Council of Ministers of the USSR,
Chekhov, Moscow region.
To our himayam!
A subscription is announced for 1972 for the popular scientific and mathematical journal «Kvant».
The magazine is designed for students in grades 7-10. It is useful for teachers, especially those who teach clubs or extracurricular activities, and for all lovers of mathematics and physics.
The main content of the magazine is materials that help to better understand physics and mathematics, learn to apply these sciences to teach various phenomena and processes that we encounter in practice, and learn to solve problems.
The magazine publishes on its pages review articles telling about the achievements of science and problems that are still waiting to be solved, stories about scientists and stories from the scientists themselves about how “science is done.”
In the magazine, the reader will find many problems: problems offered at entrance exams in various types, optimization problems, and simply interesting problems.
Notes describing the physical apparatus and experiments will help the reader set up and test a physical experiment.
The magazine publishes solutions to books - already published and those still being prepared for publication.
Room price 30 kopecks. The cost of an annual subscription is 3 rubles. 60 kopecks Our index is 70465.