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Physics

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Articles 91 - 98 of 98

Full-Text Articles in Science and Mathematics Education

Atmospheric Pressure, L. Begeman Feb 1929

Atmospheric Pressure, L. Begeman

Science Bulletin

An account of the experiment reached Paris the next year and came to the notice of Pascal. He could not try the experiment until 1646 when glass tubes were available to him. Pascal reasoned that if the atmosphere supported the mercury column, the height of the column should be lessened when the apparatus was carried to a high altitude.

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Hydrostatics, L. Begeman Jan 1929

Hydrostatics, L. Begeman

Science Bulletin

The classroom apparatus necessary for an effective, interesting presentation of hydrostatics includes: pressure tubes, manometer tubes, pressure syringe, Pascal's vases and equilibrium tubes. All of these are listed in the apparatus catalogs found in every high school.

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An Experiment In Hydrostatics, L. Begeman Jan 1929

An Experiment In Hydrostatics, L. Begeman

Science Bulletin

Individual laboratory work in hydrostatics is not very essential if the teacher is properly equipped for classroom demonstration. However, it would be interesting and profitable in communities where gas is sup- plied to the laboratory, to have the student measure the gas pressure by means of a water column.

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Atmospheric Pressure, L. Begeman Jan 1929

Atmospheric Pressure, L. Begeman

Science Bulletin

Having learned the meaning of "pressure" from the study of hydrostatics, the pupil is easily led to understand the striking phenomena of atmospheric pressure. He should readily appreciate that the term refers to the gravity pressure of the atmosphere.

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Laboratory Equipment And Experiments For Determinations Of Density, L. Begeman Dec 1928

Laboratory Equipment And Experiments For Determinations Of Density, L. Begeman

Science Bulletin

Laboratory experiments in Density require the following apparatus: beam balances, meter sticks, graduates, calipers, tumblers, test tubes, and hydrometers. There should be as many of each as possible· in order to reduce the amount of group work. The objects for study should include pieces of lead, zinc, marble, paraffin, beeswax, glass stoppers, shot, gasoline and solutions of salts such as blue vitriol.

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Hydrostatics, L. Begeman Dec 1928

Hydrostatics, L. Begeman

Science Bulletin

The teacher may introduce this subject to the class by reference to the meaning of "pressure" as used in mechanics. Explain to them that the gauge pressure in a steam boiler or auto tire refers to the number of pounds pressure on each square inch of inner surface. Sometimes a problem will make it clear.

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Something From Nothing, W. H. Kadesch Dec 1928

Something From Nothing, W. H. Kadesch

Science Bulletin

Matter made while you wait-hydrogen, helium, oxygen, iron or what will you have? No, it has not quite come to this! But the time-honored law of conservation which states that matter is neither destructible nor creatable is no longer accepted as unquestionably and universally true.

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The Beginning Course In High School Physics, L. Begeman Nov 1928

The Beginning Course In High School Physics, L. Begeman

Science Bulletin

All authorities on the teaching of physics are agreed that the beginning work of a class in high school physics should be distinctly concrete in nature. It should consist of such subject matter as will readily connect up with the acquired concepts of the student. It is best not to begin with the unfamiliar, abstruse concepts of force, motion and acceleration usually placed first in the high school text.

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