PLANET EARTH - The Incredible Visual Guide Part 6 ppt

PLANET EARTH - The Incredible Visual Guide Part 6 ppt

PLANET EARTH - The Incredible Visual Guide Part 6 ppt

... whole weather machine of our planet. US_ 064 _ 065 _WD207_Water_Ice.indd 65 9/1/09 17:20: 26 068 _ 069 _WD207.indd 69 5/12/08 14:28:35 69  FLOODPLAI NS Rivers slo w do wn as the y rea ch the lo wlands , ... 17:20:39 066 _ 067 _WD207.indd 66 22/12/08 14: 16: 36 66 Water vapor evaporating from the oceans forms clouds that are carried over the land by wind. More clouds bui...
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PLANET EARTH - The Incredible Visual Guide Part 1 ppt

PLANET EARTH - The Incredible Visual Guide Part 1 ppt

... ago, the atmosphere was thicker and it 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 ... over from the Sun’s creation 4 .6 billion years ago have clumped together to form the planets, asteroids, and comets that make up the solar system. 6 CENTRAL BULGE The...
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PLANET EARTH - The Incredible Visual Guide Part 2 ppt

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 ... 17:03:22 16_ 17_WD207.indd 16 21/11/08 15:27:02 16 Earth was created from pieces of dust and rubble orbiting the young star that became the Sun. These gradually clumped to...
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PLANET EARTH - The Incredible Visual Guide Part 3 ppt

PLANET EARTH - The Incredible Visual Guide Part 3 ppt

... the lake bed. 6 MIDOCEAN RIDGES Immensely long rift valleys have formed where the plates of the Earth s crust are pulling apart on the ocean oors. This is a false-color sonar image of the ... overwhelmed and killed. The hollow casts left by their bodies were discovered as the city was being excavated in the 1 860 s. 5 SURTSEY Iceland is a part of the Mid-Atlanti...
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PLANET EARTH - The Incredible Visual Guide Part 4 pot

PLANET EARTH - The Incredible Visual Guide Part 4 pot

... 17:11:39 0 46_ 047_WD207.indd 47 27/11/08 16: 09: 26 47  SAND-BLASTING In desert zones, where there are few plants to bind the soil together, the wind picks up sand grains and hurls them at exposed ... 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...
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PLANET EARTH - The Incredible Visual Guide Part 5 doc

PLANET EARTH - The Incredible Visual Guide Part 5 doc

... moorlands. US_ 060 _ 061 _WD207.indd 60 9/1/09 17:25:41 062 _ 063 _WD207.indd 63 16/ 12/08 16: 44:34 Water and weather 63 US_ 062 _ 063 _WD207.indd 63 9/1/09 17:20:22 058_059_WD207.indd 59 27/11/08 16: 05:59 59 Over ... fossil US_052_053_WD207.indd 52 9/1/09 17: 16: 20 060 _ 061 _WD207.indd 60 17/12/08 14:29: 06 60 Soils are essential to most plants, because they supply the substan...
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PLANET EARTH - The Incredible Visual Guide Part 7 pps

PLANET EARTH - The Incredible Visual Guide Part 7 pps

... 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...
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PLANET EARTH - The Incredible Visual Guide Part 8 pps

PLANET EARTH - The Incredible Visual Guide Part 8 pps

... 11/2/09 16: 14:01 0 96_ 097_WD207.indd 96 16/ 12/08 16: 46: 57 96 No one really knows how life began. Some people suggest that the seeds of life might have been delivered to Earth in some of the many ... ocean. The climate is one of the key inuences on the character of the landscape—whether it is green and lush, barren and dusty, or frozen for part or all of the year...
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PLANET EARTH - The Incredible Visual Guide Part 9 pot

PLANET EARTH - The Incredible Visual Guide Part 9 pot

... 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 ... is the classic sandy desert, with great expanses of sand dunes that, in the “Empty Quarter” to the south, cover an area the size of France. There is very little w...
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PLANET EARTH - The Incredible Visual Guide Part 10 pps

PLANET EARTH - The Incredible Visual Guide Part 10 pps

... 31, 33 W Z wadis 46 waste 122 water 11, 64 65 , 96 groundwater 67 , 68 , 75, 78 superheated 34, 35 water cycle 66 67 waterfalls 71 waterspouts 91 water table 67 water vapor 64 , 65 , 87 early atmosphere ... 45 silver 41 single-celled organisms 96, 98 sinkholes 78 slash and burn farming 114 slate 56, 57 snow 66 , 67 , 87 soil 60 61 , 69 , 122 solar energy 92 solar system 9, 10–1...
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