THE ANDESWORLD MOUNTAIN RANGESHIMALAYAN COLLISIONFOLD FORMATIONBLOCK MOUNTAINSFIND OUT MORENew mountains are built when rocks are pushed upwards by the movement of the giant rocky plates that…
HYDROTHERMAL VENTSBIOGRAPHY: MARIE THARP American, 1920-FIND OUT MOREJust a century ago, the ocean floor was largely unknown. Now we know that the deep oceans have features such as mountains,…
COASTAL (NERITIC) ZONEOPEN OCEAN ZONESOCEAN CURRENTSTIDESWAVESFIND OUT MOREAbout 71 per cent of our planet’s surface is covered by oceans and seas. In order of size, the five great oceans are…
FRACTURED CRUST PLATE BOUNDARIES SUPERCONTINENT SEA-FLOOR SPREADING FIND OUT MORE
Scientists believe that the Earth’s outer crust is made up of about huge fragments, called tectonic plates…
AIR POLLUTIONGREENHOUSE EFFECTACID RAINACCIDENTAL POLLUTIONFIND OUT MOREPollution is waste that we put into the environment. It can harm plants and animals, including humans. Pollution comes…
RAINBOWTHE WATER CYCLEHAILSNOWFIND OUT MOREThe moisture gathered in clouds eventually falls to the ground as liquid rain or drizzle, or as solid, frozen SNOW or HAIL. Any kind of falling…
RIVER’S COURSELIMESTONE CAVESFIND OUT MORERivers drain the surrounding land, carrying water that falls as rain and snow down to the sea. As rivers flow, they erode (wear away) rock,…
HOW ROCKS ARE FORMEDFIND OUT MOREThe rocks under our feet seem permanent, but they are constantly being changed. This process is called the rock cycle. Rocks exposed on the Earth’s surface…
BEDROCKSEDIMENTARY ROCKSIGNEOUS ROCKSMETAMORPHIC ROCKSFIND OUT MOREThe Earth is covered in a layer of solid rock called the crust. Rocks are either SEDIMENTARY , IGNEOUS, or METAMORPHIC…
DEPOSITIONFIND OUT MOREThe rocky material that is transported and DEPOSITED by rivers, seas, glaciers, and the wind is called sediment. Clay, sand, and gravel are all types of sediment.…
