Britannica Discovery Library: Energy And Movement potx

[...]... by the Philippines 56 ENERGY RESOURCES ENERGY AND MOVEMENT 57 Tidal Energy Gates Tidal Power Plant are opened to let the water in as the tide rises and then closed to prevent its exit The turbines, which power the generators, are found inside the plant They convert the kinetic energy of the water into mechanical energy and then into electrical energy he variations in the tides and the force of the oceans'... miles per hour (58 km/h) SPINNING AND WEAVING It was used first to create spinning and weaving machines, and it was used later in printing presses GENERATING ELECTRICITY Currently this is one of the steam engine's most important uses The steam is sent through a turbine, and its mechanical energy is transformed into electrical energy 26 MANIFESTATIONS OF ENERGY ENERGY AND MOVEMENT 27 Dynamite DETONATOR... Calculators, watches, radios, linternas, etc flashlights, and so on Almost Casi cualquier any battery-powered aparato que se device can baterías alimente a be puede utilizar la powered by solar energía energy solar 50 ENERGY RESOURCES ENERGY AND MOVEMENT 51 Wind Turbines Wind Energy These modern, large wind turbines, between 150 and 200 feet (45 and 60 m) high, tend to be grouped in windy, isolated,... energies from the Sun, wind, water, and the interior of the Earth Norway and Canada already NUCLEAR ENERGY 44-45 GEOTHERMAL ENERGY 54-55 ULTRAVIOLET RADIATION 36-37 BIOFUELS 46-47 TIDAL ENERGY 56-57 GRAVITY 38-39 SOLAR ENERGY 48-49 BIODIGESTERS 58-59 WIND ENERGY 50-51 FISSION AND CHAIN REACTION 60-61 PETROLEUM 42-43 ature is a giant power plant that generates clean, renewable energy For this reason, faced... unstable zinc ions, generating zinc oxide and water When all the zinc has converted to oxide and water, the battery is discharged The most used are nickel metal hydride batteries They have less voltage and a shorter life than alkaline batteries, but they can be recharged many times 30 MANIFESTATIONS OF ENERGY ENERGY AND MOVEMENT 31 The Turbine turbine transforms the energy of fluids passing through it into... energy directly from the collection plant 2 Energy The electric energy produced by the generator goes down the cables to a converter Substations receive the energy from the collection plant and increase the voltage by hundreds of thousands of times for transmission to distant cities The collection plant receives the energy from all the transformers 3 Grid After leaving the wind farm, the electric energy. .. previous record holder was the 12,600-MW Itaipú Dam on the border between Paraguay and Brazil 2 In off-peak hours, the water is pumped to the first reservoir to be reused Second reservoir Pipes Turbine 54 ENERGY RESOURCES ENERGY AND MOVEMENT 55 Geothermal Energy 2 3 s one of the cleanest and most promising sources of energy The first geothermal plant started operating more than 100 years ago Geothermal... thermal insulation and a cushion 315 Phytoplankton THE FIRST LINK IN THE FOOD CHAIN ITS LOSS IS CAUSED IN PART BY INCREASES IN UV RADIATION SEASONS In spring and summer, the intensity of the solar radiation increases LATITUDE The intensity is greatest at the Equator and decreases toward the poles HOURS OF THE DAY Greatest intensity between 10 A.M AND 4 P.M 38 ENERGY RESOURCES ENERGY AND MOVEMENT 39 Gravity... wastes 60 ENERGY RESOURCES ENERGY AND MOVEMENT 61 Fission and Chain Reaction his weapon of mass destruction derives its energy from nuclear reactions It was used for the first time against Japan, marking the end of World War II and the destruction of the cities of Hiroshima and Nagasaki In addition to the massive loss of human life at the moment of detonation, many cases of cancer and genetic repercussions... lightness with toughness The wheel transmits and transfers force Potter's wheel The first use of the wheel, even earlier than its use in transportation Mills use the force of wind or water to grind grains or pump underground water to the surface Gears permit the transmission and transformation of force into speed and vice versa 20 MANIFESTATIONS OF ENERGY ENERGY AND MOVEMENT 21 Vertical axis The Pendulum . China w ww .britannica. com Energy and Movement Contents Origin and Sources Page 6 Manifestations of Energy Page 16 Energy Resources Page 32 Uses and Applications Page 62 W e use the word energy . alternative sources of energy and the mention, by some religions and pseudosciences, of spiritual energy and so on. But what is energy? In general, and in the sense used in this book, energy is “the. Production International Standard Book Number (set): 978-1-59339-797-5 International Standard Book Number (volume): 978-1-59339-811-8 Britannica Illustrated Science Library: Energy and Movement 2008 Printed