Provides information about Earth, including the types of rock on earth and how they are formed, the longest river and smallest mountain, earthquakes, volcanoes, the water cycle, and how we can really count the grains of sand on our planet.

Counting down planet Earth -- There are about 200 tredecillion atoms in the Earth's atmosphere -- The Earth has a surface area of 5,502,532,127,000,000 square feet (510,000,000 square KM) -- Seven quintillion, five hundred quadrillion grains of sand on planet Earth -- Hurricanes can release 2.4 trillion gallons of rain a day -- More than seven billion people on planet Earth -- 36 feet down to the deepest part of the ocean -- The longest river measures 4,132 miles -- 1,510 active volcanoes in the world -- There are 16 tectonic plates -- Five zones of Mount Kilimanjaro -- Three types of rock -- One core at the center of the Earth.