The Sarawak Chamber in Malaysia is the largest cave in the world is 2300 feet (701 meters) long, 1300 feet (400 meters) wide, and more than 230 feet (70 meters) high.
84% of a raw apple is water.
The largest hailstone ever recorded in the United States was nearly the size of a soccer ball. It was a 7-inch wide chunk of ice.
Almost a third of the worldu2019s total land area is covered by forests.
Stems, leaves, primary roots, secondary roots, root hairs, and buds are plant parts. Click here to see the parts of a plant!
Rainforests are found on every continent across the Earth, except Antarctica.
Undersea earthquakes and other disturbances cause tsunamis, or great waves. The largest recorded tsunami measured 210 feet above sea level when it reached Siberia's Kamchatka Peninsula in 1737.
Honeybees navigate using the sun as a compass, even when it is hidden behind clouds - they find it via the polarization of ultraviolet light from areas of blue sky.
One of the tallest soft wood trees is the General Sherman, a giant redwood sequoia of California. General Sherman is about 275 ft or 84 m high with a girth of 25 ft or 8 m.
Life began in the seas 3.1 billion to 3.4 billion years ago. Land dwellers appeared 400 million years ago, a relatively recent point in the geologic time line.