PLANET EARTH - The Incredible Visual Guide Part 9 pot

... DESERTLying at the heart of southern Africa, the Kalahari is a mixture of scorpion-infested desert with long sand dunes, and tree-dotted dry grasslands. The region contains the Okavango Delta, the remains ... all.456US_114_115_WD207.indd 115 9/ 1/ 09 17:41: 29 108_1 09_ WD207.indd 1 09 16/12/08 17:08:321 09 European souslikBRAZILIAN CERRADO The forests of Amazonia are anked by two large tracts of tropical grassland— the Llanos ... intercept all the rain carried on prevailing winds. In South America, the Andes strip the moisture from winds blowing o the Pacic, and the lands in the “rain shadow” to the east of the mountains...

PLANET EARTH - The Incredible Visual Guide Part 4 pot

... 40 9/ 1/ 09 17:11: 39 046_047_WD207.indd 47 27/11/08 16: 09: 2647SAND-BLASTINGIn desert zones, where there are few plants to bind the soil together, the wind picks up sand grains and hurls them ... polished.US_040_041_WD207.indd 41 9/ 1/ 09 18: 09: 06038_0 39_ WD207.indd 39 27/11/08 16:02:26 39 10 FELDSPARBig, colorful feldspar crystals are a conspicuous part of many types of granite, and can often be seen in the polished ... of the deep mantle beneath the crust, and therefore 80 percent of the planet. It is rare on the surface, occurring in places where major earth movements have squeezed it up from beneath the...

PLANET EARTH - The Incredible Visual Guide Part 1 ppt

... tidesAtmosphere84Weather86Clouds 88Extreme weather 90 Climates 92 45US_004_005_WD207_Prelims.indd 5 9/ 1/ 09 16: 39: 20006_007_WD207.indd 7 5/1/ 09 10:40:56 Planet Earth 7US_006_007_WD207.indd 7 9/ 1/ 09 16:31:38010_011_WD207_SolarSystem.indd ... 14: 39: 09 115 SUN The Sun is a spinning ball of hydrogen and helium gas. These gases are the lightest substances in the universe, but despite this the Sun accounts for 99 percent of the solar ... kept the planet warm enough for rivers of water to ow on the surface. Nearly all the water on Mars has now turned to ice.6 EARTH The largest of the rocky inner planets, Earth is the only...

PLANET EARTH - The Incredible Visual Guide Part 2 ppt

... and rock in the region of the galaxy where the Sun was born. As the pieces of dust and rock orbited the star, they were pulled together by their own gravity, and the energy of these collisions ... neighbor. THE MOONUNMANNED PROBES The rst spacecraft sent to the Moon were robots, which analyzed the surface conditions, gathered images, and beamed the data back to Earth. The information they ... vital to the safety of the rst astronauts to visit the Moon in the late 196 0s. Since then, further unmanned missions have provided scientists with a steady stream of information about the Moon.SPINNING...

PLANET EARTH - The Incredible Visual Guide Part 3 ppt

... Africa moving east away from the rest of the continent. This has allowed the central part of the valley—on the left of the picture—to sink into the Earth. On average the valley is 30 miles (50 ... anyone inside. Steel-framed buildings are much stronger, and often remain standing, as seen here in Japan after the Kobe earthquake of 199 5. 29 US_028_0 29_ WD207.indd 29 9/1/ 09 17:06:00036_037_WD207.indd ... regular earth tremors. The last earthquake struck in 198 9, destroying part of the elevated Nimitz Freeway and leading to the deaths of 63 people. But this was relatively mild compared to the massive...

PLANET EARTH - The Incredible Visual Guide Part 5 doc

... moorlands.US_060_061_WD207.indd 60 9/ 1/ 09 17:25:41062_063_WD207.indd 63 16/12/08 16:44:34Water and weather63US_062_063_WD207.indd 63 9/ 1/ 09 17:20:22058_0 59_ WD207.indd 59 27/11/08 16:05: 59 59 Over millions ... frequently they snap due to tension pulling the rocks apart. One side of the fault drops relative to the other—or is pushed up by pressure—and the rock strata become oset. By matching the layers, ... dentist’s drills. When the bones are exposed, they are preserved, often with a varnish, to stop them falling apart. Scientists can then work out how they once t together.21Leaf impression3EXTRACTIONSmall...

PLANET EARTH - The Incredible Visual Guide Part 6 ppt

... wetlands return water vapor to the air in the same way as the oceans264US_066_067_WD207.indd 67 9/ 1/ 09 17:20:31070_071_WD207.indd 70 12/12/08 09: 59: 1770 The fast-owing water of upland rivers ... together also make them cling to the atoms of other substances such as salts, pulling them apart so they dissolve. This makes water an ideal medium for the chemical reactions that are the basis of ... 6GLACIAL REBOUND The colossal weight of the ice-age ice sheets distorted Earth s crust downward. In the 12,000 years since they melted, the crust has been steadily rising at the rate of up...

PLANET EARTH - The Incredible Visual Guide Part 7 pps

... owstones.US_078_0 79_ WD207_Caves.indd 79 9/1/ 09 17:25: 59 086_087_WD207.indd 86 5/12/08 14:31:22861 PREVAILING WINDSIntense heat in the tropics makes air rise near the equator. The air then sinks in the ... around the planet. The outer atmospheric layers are invisible, because the air in them is so thin. Clouds rise to the top of the troposphere, but no farther, so all the water vapor in the atmosphere—and ... tropics, and toward the east in the midlatitudes farther north and south. They drag the surface waters of the oceans with them, creating huge clockwise current gyres in the northern hemisphere,...

PLANET EARTH - The Incredible Visual Guide Part 8 pps

... skullMesozoic250–65millionyearsagoCenozoic65–0millionyearsagoDragonyDNAUS_ 096 _ 097 _WD207.indd 97 9/ 1/ 09 17:34:54 094 _ 095 _WD207.indd 95 16/12/08 16:45:47Life zones 95 US_ 094 _ 095 _WD207.indd 95 9/ 1/ 09 17:34:10 098 _ 099 _WD207.indd 99 16/12/08 16:55:23 99 HawnchButterySiphonophoreStarshGolden ... spiderCoelacanthMossPaleozoic540–250millionyearsagoPrecambrian4.6billion–540millionyearsagoUS_ 096 _ 097 _WD207.indd 96 9/ 1/ 09 17:34:42 096 _ 097 _WD207.indd 97 16/12/08 16:47: 09 977 MULTICELLULAR LIFERocks that formed about 800 million years ago contain the earliest known ... make them release their seeds.6US_ 092 _ 093 _WD207.indd 93 9/ 1/ 09 17:33:35 094 _ 095 _WD207.indd 94 16/12/08 16:45:31GREEN GLOWHardy trees glow with the vivid green of life amid the volcanic rock...

PLANET EARTH - The Incredible Visual Guide Part 10 pps

... 42, 57permafrost 74, 75, 93 , 105photosynthesis 19, 85, 96 , 98 , 99 , 100, 102phytoplankton 100planets 8, 10–11, 16, 64plankton 76, 81, 99 , 100plants 25, 46, 97 , 98 desert 110wetland 104–105plate ... one.TROPICS The hot regions to the north and south of the equator, between the Tropic of Cancer and the Tropic of Capricorn.TROPOSPHERE The lowest layer of the Earth s atmosphere.TSUNAMIA fast-moving ... 122, 123aquatic 97 , 99 , 100–101land 25, 97 , 98 , 106–11Antarctica 67, 74, 93 anticyclones 86Apollo missions 15Arabian Desert 111Asia 92 , 1 09 Asteroid Belt 12asteroids 9, 10, 12–13, 14Atacama...

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