Everyday Mysteries: Secrets of Science in the HomeMacmillan, 1923 - 198 páginas |
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Página 13
... carbon exists as black charcoal and colorless diamond , it has lately been proved that water has several kinds of ice , which may be found by extremely high pressures at low tem- peratures . However , they are unknown outside the ...
... carbon exists as black charcoal and colorless diamond , it has lately been proved that water has several kinds of ice , which may be found by extremely high pressures at low tem- peratures . However , they are unknown outside the ...
Página 44
... carbon atoms form with oxygen , hydrogen and a few other kinds of atoms compounds of wonderful complexity , sometimes includ- ing hundreds of atoms to the molecule . Though there are many compounds of carbon not thus classified , still ...
... carbon atoms form with oxygen , hydrogen and a few other kinds of atoms compounds of wonderful complexity , sometimes includ- ing hundreds of atoms to the molecule . Though there are many compounds of carbon not thus classified , still ...
Página 45
... carbon com- pounds ( which we call organic chemistry because these are the compounds which make up living things ) or the chemistry of the other elements which we call inor- ganic chemistry . And now we are ready to come back to soap ...
... carbon com- pounds ( which we call organic chemistry because these are the compounds which make up living things ) or the chemistry of the other elements which we call inor- ganic chemistry . And now we are ready to come back to soap ...
Página 63
... carbon plates . Wires are attached which run by partly hidden paths to the bells and the doors . If there are two doors on the same battery the best plan is to try the other one and see if its bell is silent like the first . If so , the ...
... carbon plates . Wires are attached which run by partly hidden paths to the bells and the doors . If there are two doors on the same battery the best plan is to try the other one and see if its bell is silent like the first . If so , the ...
Página 64
... carbon plate packed with peroxide of manganese in a porous pot , and the cell nearly filled with strong sal ammoniac solution . Sometimes these cells need new zinc rods or new charges of sal ammoniac , either of which may be purchased ...
... carbon plate packed with peroxide of manganese in a porous pot , and the cell nearly filled with strong sal ammoniac solution . Sometimes these cells need new zinc rods or new charges of sal ammoniac , either of which may be purchased ...
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Términos y frases comunes
Arab Arica atoms bacteria baking powder balance wheel bell blueberries boiling bolometer bottom called Calories carbonic acid caustic cent CHARLES GREELEY ABBOT chemical chimney clock coal colors compounds cooking cool copper cotton depths diameter dish dissolve earth electric Fahrenheit fathoms feet fibres fire flapping rod freezing furnace George George Anson glass glycerides green heat hole hydrogen inches iron keep length less light liquid magnetic milk mirror molecules nearly never ocean old shoes oxygen pail Pasteur pendulum piano pipe plants PLATE plumber pond salt screw sewer ship silk smoke pipe soap bubbles sodium solar cooker solder sound steam stick stop strong substances sun rays surface Techman temperature thing thread tree tube turn vegetables vibration violet vitamines warm water wheel waves wire wonderful wooden wool young Anson
Pasajes populares
Página 125 - We were drawing nine! My hands were in a nerveless flutter. I could not ring a bell intelligibly with them. I flew to the speakingtube and shouted to the engineer: " Oh, Ben, if you love me, back her! Quick, Ben! Oh, back the immortal soul out of her!
Página 14 - They mount up to the heaven, they go down again to the depths ; their soul is melted because of trouble, They reel to and fro, and stagger like a drunken man, and are at their wit's end.
Página 15 - They reel to and fro, and stagger like a drunken man, and are at their wit's end. Then they cry unto the Lord in their trouble, and he bringeth them out of their distresses. He maketh the storm a calm, so that the waves thereof are still. Then are they glad because they be quiet; so he bringeth them unto their desired haven.
Página 138 - I know that my REDEEMER liveth, And that He shall stand in the latter day upon the earth: And though after my skin worms destroy this body, Yet in my flesh shall I see God : Whom I shall see for myself, And mine eyes shall behold, and not another.
Página 104 - Hark ! hark ! the dogs do bark, The beggars are coming to town, Some in rags and some in tags, And some in velvet gowns.
Página 137 - At last divine Cecilia came, Inventress of the vocal frame ; The sweet enthusiast, from her sacred store, Enlarged the former narrow bounds, And added length to solemn sounds, With nature's mother- wit, and arts unknown before.
Página 30 - Take us the foxes, the little foxes, that spoil the vines: for our vines have tender grapes.
Página 139 - Some talk of Alexander, And some of Hercules ; Of Hector and Lysander, And such great names as these...
Página 190 - This book was written at Orrhoa, a city of Mesopotamia, by the hands of a man named Jacob, in the year seven hundred and twenty-three. In the month Tishrin the latter it was completed.
Página 124 - Half twain!" This was frightful! I seized the bell-ropes and stopped the engines. "Quarter twain! Quarter twain! Mark twain!" I was helpless. I did not know what in the world to do. I was quaking from head to foot, and I could have hung my hat on my eyes, they stuck out so far.