The Science of Everyday Life |
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acid acting force amount animals bacteria blood body boiling breathing burning called Calories per Pound candle Carbohydrates carbon dioxide cause cells changes clean clothing coal cold color contain cotton Courtesy diagram diphtheria Directions disease dish earth electric electric current energy engine Fahrenheit faucet fibers fire flame flowers Fuel Value fulcrum glass heat hot-water inch inclined plane INDIVIDUAL PROJECTS Javelle Javelle water kind lever light lime water liquid litmus paper machine magnet materials milk mold nutrients oxidation oxygen piece pipes pistil plants pole pollen grains PROBLEM produce Protein pulley pump pupils Questions rays resistance rock Scientific American seeds silk soil stains starch steam substances sugar Summary surface tank temperature test-tube thermometer tion tube typhoid fever usually warm wash water vapor weather weight wind wire wood wool yeast
Popular passages
Page 223 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Page 354 - A solid immersed in a liquid is buoyed up by a force equal to the weight of the liquid displaced.
Page 137 - The reclamation and settlement of the arid lands will enrich every portion of our country, just as the settlement of the Ohio and Mississippi valleys brought prosperity to the Atlantic States.
Page 217 - The nine known planets, in the order of distance from the Sun, are Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
Page 363 - Shoemaking was always important there, but it was not until near the end of the nineteenth century that it achieved its place of supreme importance in the economy of the town.
Page 321 - Newton's first law, which states that a body at rest tends to remain at rest, and a body in motion tends to remain in motion in a straight line at a constant speed, unless it is acted on by a force.
Page 9 - We are all living at the bottom of an ocean of air. This ocean of air...
Page 157 - H2O, is made up of two atoms of the element hydrogen and one atom of the element oxygen; the three atoms combine to form one molecule of the compound water.
Page 264 - ... kilowatt hour. The solid lines represent cost of fuel or of current, the shaded parts the cost of the mantles and bulbs. Where prices are different from those given above, costs will be correspondingly different.
Page 264 - Costs are based on the following prices: candles. 12 cents per pound; kerosene, 15 cents per gallon; gas, $i per 1,000 cubic feet; electricity, 10 cents per kilowatt hour. The solid lines represent cost of fuel or of current, the shaded parts the cost of the mantles and bulbs. Where prices are different from those given...