Facts Quest

Rock is a naturally occurring solid aggregate of one or more minerals or mineraloids. For example, the common rock, granite, is a combination of the quartz, feldspar and biotite minerals. The Earth's outer solid layer, the lithosphere, is made of rock.The scientific study of rocks is called petrology. 10 cool facts about rocks 1.The three types of rock found on the earth are sedimentary,Igneous and metamorphic rocks. 2.Molten rock below the earth's surface is called magma. When molten rock is expelled from a volcano,it's called Lava. 3.The earth's surface is made up of massive slabs of rock known as plates.The scientist called it as tectonic plates. When the plates move and collide,they can form mountain ranges and even cause earthquakes . 4.Generally we have a thought that rocks are hard.But it is not true. Most rocks are hard but not all of them .Some rocks such as those made up of the mineral calcite,are soft enough to scratch with your fingernail.

--> get this widget

Quick facts about Elephants *An elephant's trunk is actually an extended nose and upper lip.An adult African elephant's trunk is about two meters long. *Elephants uses trunks for smelling,touching,grasping,collect food and water,breathing,and even hurl objects. *Elephants can suck 7.5 liters of water into its trunk at a time. *Elephants will use their trunk to make loud trumpeting noise, in case,if it is threatened and give warnings to other elephants. * Elephants are fond of water and enjoy showering by sucking water into their trunks and spraying it all over themselves. Afterwards, they often spray their skin with a protective coating of dust. *The trunk contains an estimated 100,000 muscles and tendons in the trunk, giving it extreme flexibility and strength. *Asian elephants have one finger—like projection at the tip of the trunk and African elephants have two. These finger—like projections are used for grasping small and delicate objects. *

Tiger is the most ferocious, popular and charismatic megafauna in the world .The magnificent tiger is one of the most powerful predators in the world.   T9UG9UXHDYUW *Tigers are the largest members of the cat family. *The scientific name for the tiger is Panthera tigris. *There are five subspecies of tiger: Bengal, South China, Indochinese, Sumatran, and Siberian.Since the 1950s three subspecies of  tiger—Caspian, Bali, and Javan—are extinct.The five remaining species are also endangered due to poaching.They have been pushed to the edge of existence through hunting and habitat loss. *It weighs up to 363 kilograms, stretches 6 feet long, and has a 3-foot- (1-meter-) long tail. *A tiger retracts its claws as it walks, leaving no claw marks in its tracks. *A tiger's mighty roar can be heard as far as two miles (three kilometers) away. *Tigers are good swimmers and can swim upto 6 kilometres. *Tigers are carnivorous and they hunts for prey primarily by sight and sound.