1- Earth is the only planet on which water can exist in liquid form on the surface.
2- Antarctica is the highest, driest, and coldest continent on Earth.
3- The dormant volcano Mauna Kea (on the Big Island of Hawaii) could be considered the tallest mountain in the world. If you measure it from its base in the Hawaiian Trough (3,300 fathoms deep) to its summit of 13,796 feet, it reaches a height of 33,476 feet.
4- Earth is referred to as the BLUE PLANET. WHY? Because from space, the oceans combined with our atmosphere make our planet look blue.
5- The worldâ€™s deadliest recorded earthquake occurred in 1557 in central China, more than 830,000 people were killed.
6- The Worldâ€™s largest hot desert is the Sahara in North Africa, at over 9,000,000 kmÂ², it is almost as large as the United States.
7- Earth travels through space at 66,700 miles per hour.
8- Mount Everest 8850 meter (29035 ft) Nepal/China is the tallest mountain.
9- The sunrays reached at the earth in 8 minutes & 3 seconds.
10- Only 11 percent of the earth's surface is used to grow food.