Scorpion are distant relatives of spider, but while spiders bite, scorpion carry their venom in poison glands near the stinger that they carry at the tip of the tail. Many scorpions live in arid areas, such as deserts, where they will shelter from the heat of the day under stones or in the burrow of another animal, and hunt insects at night. Other species live in jungles and shelter under bark during the day. When a scorpion spots prey, it raises its tail ready to strike, and once it has caught its victim paralyses or kills it by stinging it. A scorpion will also raise its tail as a display when it meets anything that it sees as a threat, such as a meerkat or a large

Erosion constantly wears away solid rock through the action of rain, snow and waves, frost and ice, glaciers and wind and the bits broken off are slowly broken down into ever-smaller pieces. The most common mineral found in sand is quartz but  other mineral, such as calcite, feldspar and mica are also present. The colour of sand on a beach reflects the material from which it is made: in Hawaii sands from volcanic rocks are black