Elements of General Science: Laboratory ProblemsGinn, 1920 - 188 σελίδες |
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Σελίδα 9
... wire , mercury , scales , and set of weights . What to do . 1. Study the metric system given in the appendix to learn what is meant by meter , centimeter , liter , cubic centimeter , kilogram , and gram . 2. Assemble apparatus as in ...
... wire , mercury , scales , and set of weights . What to do . 1. Study the metric system given in the appendix to learn what is meant by meter , centimeter , liter , cubic centimeter , kilogram , and gram . 2. Assemble apparatus as in ...
Σελίδα 23
... wire gauze , two burette clamps , flask ( 500 cc . ) with two - hole stopper to fit , wide - mouth bottle ( bottom removed ) with two - hole stopper , four feet of glass tubing , six inches of rubber tubing , and black ink . What to do ...
... wire gauze , two burette clamps , flask ( 500 cc . ) with two - hole stopper to fit , wide - mouth bottle ( bottom removed ) with two - hole stopper , four feet of glass tubing , six inches of rubber tubing , and black ink . What to do ...
Σελίδα 43
... wire , wide- mouth bottle , and lime- water solution . FIG . 13 WATER What to do . 1. Light the candle ( Fig . 13 ) . Find three layers , or zones , in the flame . The inner zone is dark , the middle zone is bright , and the outer zone ...
... wire , wide- mouth bottle , and lime- water solution . FIG . 13 WATER What to do . 1. Light the candle ( Fig . 13 ) . Find three layers , or zones , in the flame . The inner zone is dark , the middle zone is bright , and the outer zone ...
Σελίδα 43
... wire , wide- mouth bottle , and lime- water solution . FIG . 13 WATER What to do . 1. Light the candle ( Fig . 13 ) . Find three layers , or zones , in the flame . The inner zone is dark , the middle zone is bright , and the outer zone ...
... wire , wide- mouth bottle , and lime- water solution . FIG . 13 WATER What to do . 1. Light the candle ( Fig . 13 ) . Find three layers , or zones , in the flame . The inner zone is dark , the middle zone is bright , and the outer zone ...
Σελίδα 47
... wires , three or four dry cells , switch , concentrated sulfuric acid , two eight - inch test tubes , and matches . The apparatus illustrated on page 67 of the text can be used . What to do . 1. As- semble the apparatus as shown in ...
... wires , three or four dry cells , switch , concentrated sulfuric acid , two eight - inch test tubes , and matches . The apparatus illustrated on page 67 of the text can be used . What to do . 1. As- semble the apparatus as shown in ...
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Άλλες εκδόσεις - Προβολή όλων
Elements of General Science: Laboratory Problems Otis William Caldwell Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Elements of General Science: Laboratory Problems (Classic Reprint) Otis W. Caldwell Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
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acid action apparatus appear Arrange average balance boiling bottle Bunsen burner calculations candle carbon dioxide cell cities close color connected cost cover Describe determine develop diagram direction distance drawing effect eggs electric Examine experiment Explain facts flame give given glass tube glucose grow hand heat Hold hour inches iron leaf leaves light magnet materials means meter microscope moon motor observations obtained operate Optional problems oxygen piece Place plants plate Prepare pressure produced pupils Questions Read sections Record Reference relation remove Repeat Ring rubber stopper sample scale secured shown in figure soil solution stand starch steam substances Suggestions for report temperature test tube water supply weather weight wire Write
Δημοφιλή αποσπάσματα
Σελίδα 186 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 185 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 105 - The ratio W/P between the force exerted and the force applied is called the mechanical advantage of the machine. Newton described six elementary machines to which all others may be reduced. These are the lever, the pulley, the inclined plane, the wheel and axle, the wedge and the screw. These may be reduced to three, since the wheel and axle is but a modified lever, and the screw and the wedge are but modifications of the inclined plane. In all cases, however, the law of machines holds good, viz.,...
Σελίδα 33 - Each of the Weather Bureau stations is operated by one or more trained- observers, and is equipped with mercurial barometers, thermometers, wind vanes, rain and snow gauges, and anemometers, and many of them with sunshine recorders, barographs, thermographs, and other devices which make a continuous automatic record of the local weather conditions and changes. The results of the twice-daily observations are immediately telegraphed to the central...
Σελίδα 37 - Indies, and supplemented by daily reports from various other points in the northern hemisphere. Within two hours after the morning observations have been taken...
Σελίδα 9 - ... can not with impunity inhale a vitiated air and expect our lungs to select the pure and reject the impure without permanent injury to our breathing apparatus as well as to our whole body. Before passing to the subject of "Town air," I should like you to grasp and keep well before you the idea that we are living at the bottom of a great ocean of air, that we are surrounded on all sides by matter invisible because composed of minute particles (separated by spaces which are big in comparison with...
Σελίδα 37 - ... about 1600 principal distributing points, whence they are further disseminated by telegraph, telephone, wireless, and mail.
Σελίδα 38 - The center of a coil. counter-clockwise. In a direction opposite that in which the hands of a clock rotate.
Σελίδα 87 - Explain why there is a difference between the weight of the object in air and its weight in water.
Σελίδα 131 - Record also the diameter of the sun, the diameter of the moon, and the distance from the earth to the moon.