Everyday Mysteries: Secrets of Science in the HomeMacmillan, 1923 - 198 páginas |
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Página 5
... called hydrogen dioxide , hydro- gen peroxide , and dioxygen , used as an antiseptic , which has two atoms of oxygen to two of hydrogen . Its chemical symbol is H2O2 . Water is wonderful for the great number of chemi- cals it dissolves ...
... called hydrogen dioxide , hydro- gen peroxide , and dioxygen , used as an antiseptic , which has two atoms of oxygen to two of hydrogen . Its chemical symbol is H2O2 . Water is wonderful for the great number of chemi- cals it dissolves ...
Página 12
... of weights and measures , and we hear of it a great deal in discussions about food . It is called the Calory . A Calory is the amount of heat required to raise the temperature of one kilogram ( about 2-1 12 Everyday Mysteries.
... of weights and measures , and we hear of it a great deal in discussions about food . It is called the Calory . A Calory is the amount of heat required to raise the temperature of one kilogram ( about 2-1 12 Everyday Mysteries.
Página 13
... called the calory , the same word with- out the capital letter . This is 1/1000 Calory , or the heat required to raise the temperature of 1 gram of water 1 ° Centigrade . If you hold out your third finger and let the bright sunshine ...
... called the calory , the same word with- out the capital letter . This is 1/1000 Calory , or the heat required to raise the temperature of 1 gram of water 1 ° Centigrade . If you hold out your third finger and let the bright sunshine ...
Página 16
... called ultra - violet and infra - red . The former strongly affect photographic plates . The latter , like all rays visible or otherwise , can produce heat , and be measured by delicate thermometers . The vapor of water , which fills ...
... called ultra - violet and infra - red . The former strongly affect photographic plates . The latter , like all rays visible or otherwise , can produce heat , and be measured by delicate thermometers . The vapor of water , which fills ...
Página 23
... called on the plumber , told him that if he would drill a hole at the spot marked with pencil on the concrete he would find the pipe about six inches below the sur- face with its center at the center of the circle The Plumber's Surprise 23.
... called on the plumber , told him that if he would drill a hole at the spot marked with pencil on the concrete he would find the pipe about six inches below the sur- face with its center at the center of the circle The Plumber's Surprise 23.
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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.