School Science and Mathematics, Τόμος 7Smith & Turton, 1907 |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 16.
Σελίδα 11
... turning , forging , or machine tool work , could be done under a system of drawings , which should use metric units only . In the drawing room the metric system could be used to the entire exclusion of the English system . If anyone ...
... turning , forging , or machine tool work , could be done under a system of drawings , which should use metric units only . In the drawing room the metric system could be used to the entire exclusion of the English system . If anyone ...
Σελίδα 23
... turning . The balls at s and s could be screwed inward or outward to balance the un- loaded bar horizon- tally . Weight enough was then placed at D to hold the empty bar suspended . After the balances were adjusted , the class was told ...
... turning . The balls at s and s could be screwed inward or outward to balance the un- loaded bar horizon- tally . Weight enough was then placed at D to hold the empty bar suspended . After the balances were adjusted , the class was told ...
Σελίδα 25
... turning tendency ( these terms were preferred to the word moment ) . An apparatus like that shown in the adjoining cut was used to give mathematical precision to the notion , after citing the force and leverage required to turn a ...
... turning tendency ( these terms were preferred to the word moment ) . An apparatus like that shown in the adjoining cut was used to give mathematical precision to the notion , after citing the force and leverage required to turn a ...
Σελίδα 26
... turning motion , which needed to be dis- tinguished . The kind of turning which the positive force produced , i . e . anti - clockwise , was called positive , and the opposite kind , i . e . , the clockwise , was called negative . The ...
... turning motion , which needed to be dis- tinguished . The kind of turning which the positive force produced , i . e . anti - clockwise , was called positive , and the opposite kind , i . e . , the clockwise , was called negative . The ...
Σελίδα 27
... turning tendency . Hence , ( −3w ) ( x ) + ( + w ) ( 3x ) = −3wx + 3wx = 0 . Other records with two , or more ... turning No turning Positive turning . Negative turning etc. Enough loadings were given to make the pupils sure of their ...
... turning tendency . Hence , ( −3w ) ( x ) + ( + w ) ( 3x ) = −3wx + 3wx = 0 . Other records with two , or more ... turning No turning Positive turning . Negative turning etc. Enough loadings were given to make the pupils sure of their ...
Περιεχόμενα
1 | |
2 | |
8 | |
19 | |
34 | |
53 | |
58 | |
59 | |
428 | |
429 | |
435 | |
437 | |
451 | |
493 | |
498 | |
506 | |
62 | |
73 | |
82 | |
83 | |
94 | |
102 | |
108 | |
114 | |
122 | |
128 | |
135 | |
141 | |
148 | |
159 | |
164 | |
240 | |
246 | |
266 | |
324 | |
343 | |
345 | |
352 | |
357 | |
383 | |
401 | |
403 | |
410 | |
417 | |
423 | |
518 | |
540 | |
546 | |
546 | |
546 | |
557 | |
574 | |
598 | |
607 | |
618 | |
658 | |
664 | |
672 | |
699 | |
704 | |
705 | |
706 | |
729 | |
730 | |
733 | |
750 | |
752 | |
756 | |
759 | |
770 | |
777 | |
785 | |
792 | |
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acetic acid acid algebra angle apparatus applied arithmetic atomic atomic weights Biology boiling cent chemistry Chicago color committee course discussion Earth Science elementary elementary algebra Englewood High School equation exercises experiments fact field geography geometry give given guncotton hydrogen hypsometer I. L. Winckler idea illustrated interest knowledge laboratory large number laws lecture long tons Mass Mathematics Mathematics Teachers means mental method metric system mind nature negative number Normal School paper physiology plane plant practical preparation present principles problems Professor pupil quantity questions Roxbury Latin School SCHOOL SCIENCE SCIENCE AND MATHEMATICS scientific secondary school short tons Shortridge High School solution student suggested taught Teachers of Mathematics teaching text-book theorems theory things tion triangle trigonometry tube University Volvox weight
Δημοφιλή αποσπάσματα
Σελίδα 322 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30£...
Σελίδα 71 - The following resolution was passed : Resolved, That it is the sense of the...
Σελίδα 341 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Σελίδα 286 - School full credit is given by all the other normal schools of the State and in addition by the Teacher's College of Columbia University and the School of Education of the University of Illinois. When institutions of this high character accept class-extension work, it will evidently be perfectly safe for other institutions to do likewise. EXTENSION SCHOLARSHIPS. Scholarships and prizes for extension students have usually taken the form of tuition or payment of some part of the...
Σελίδα 578 - science," because of my conviction that, for long to come if not for ever, it will be the remorseless enemy of mankind. I see it destroying all simplicity and gentleness of life, all the beauty of the world ; I see it restoring barbarism under...
Σελίδα 242 - ... the American Physical Society, the American Psychological Association, the American Physiological Society, the American Society of Vertebrate Paleontologists, the American Chemical Society, the American Society of Zoologists, the American Nature-Study Society, the American Mathematical Society, the American Federation of Teachers of the Mathematical and the Natural Sciences, the American Institute of Electrical Engineers, the American Alpine Club, the Association of American Geographers, the...
Σελίδα 421 - How far up the incline will it move before coming to rest ? 5. How may the weight of a stick be found by using a single weight, an edge upon which to balance the stick, and a meter rule ? Explain your method. Give a diagram. 6. Approximately how deep must a bottle, neck downwards, be sunk in water in order to reduce contained air to half its initial volume ? What law of gases applies to the case ? C — Answer two questions in this group.
Σελίδα 328 - ... it is better to present a few topics in such a manner that they are powerful examples of the method by which science obtains its results, than to try to teach a large number of more or less scattered facts and theories in such a way that they can only be committed to memory.
Σελίδα 106 - Two triangles are equal if two sides and the included angle of one are equal respectively to two sides and the included angle of the other...
Σελίδα 242 - Bibliography of science teaching, compiled by a committee of the American federation of teachers of the mathematical and the natural sciences.