The Science Book (Big Ideas Simply Explained)
DK Publishing
Language: English
Pages: 354
ISBN: 2:00251363
Format: PDF / Kindle (mobi) / ePub
With over 225,000 copies in print, DK's Big Ideas series has struck a chord with readers fascinated-but also intimidated-by complex subjects like philosophy, psychology, politics, and religion.
The newest title in this successful and acclaimed series is The Science Book, an inventive visual take on astronomy, biology, chemistry, geology, and physics. With eye-catching artwork, step-by-step diagrams, and illustrations that break down complicated ideas into manageable concepts, The Science Book will have readers conversant in genetic engineering, black holes, and global warming in no time. Along the way are found mini-biographies of the most well-known scientists, and a glossary of helpful scientific terms.
For students, and students of the world, there is no better way to explore the fascinating, strange, and mysterious world of science than in The Science Book.
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importance of technology to the furthering of scientific investigation. he was intent on pointing out that the results described are all from experiments, since at the time even such noted experimentalists as Galileo often also reported the results of “thought experiments.” Many of Boyle’s experiments were directly connected to air pressure. The receiver could be modified to hold a Torricelli barometer, with the tube sticking Experimental results Boyle performed a number of different experiments
force acting on it. 1735 George Hadley suggests that trade winds blow toward the equator because Earth’s rotation deflects air currents. AFTER 1851 Léon Foucault shows how the swing of a pendulum is deflected by Earth’s rotation. 1856 US meteorologist William Ferrel shows that winds blow parallel to isobars—lines that connect points of equal atmospheric pressure. 1857 Dutch meteorologist Christophorus Buys Ballot formulates a rule stating that if the wind is blowing on your back, an area of low
to be white, but through a telescope many can be seen to be red, yellow, or blue. In 1842, an Austrian physicist named Christian Doppler suggested that the red color of some stars is due to the fact that they are moving away from the Earth, which would shift their light to longer wavelengths. Since the longest wavelength of visible light is red, this became known as redshift (as illustrated on p.241). See also: Ole Rømer 58–59 ■ The colors of stars are now known to be mainly due to their
microorganisms as long as they are prevented from falling into it from the air. Air can get in through tube Microorganisms get trapped in the curve The broth is boiled to kill any microoganisms in it. When the broth cools it remains free of microorganisms. Tilting the tube allows microorganisms back into the broth. The microorganisms quickly multiply again. A CENTURY OF PROGRESS 159 with a microscope. He found it to be teeming with the type of microbes that had been linked with the decay
which all those called perfectly mixt bodies are immediately compounded, and into which they are ultimately resolved.” In other words, an element cannot be broken down by chemical means into simpler substances. In 1803, British chemist John Dalton introduced the idea of atomic weights (now called relative atomic masses) for these elements. Hydrogen is the lightest element, and he gave it the value 1, which we still use today. Humphry Davy did not distinguish between them when he first discovered
