Some interesting hydrogen facts for kids include that it is the most common element found throughout the universe, where it is often found in stars and gas planets, such as Jupiter. Hydrogen is one of the two elements, a... More » Science Chemistry Atoms & Molecules

Hydrogen is the lightest, simplest, and most abundant element in the universe, but it is very scarce on Earth in its elemental form. Hydrogen fusion is the phenomenon that powers most stars, and is also a potential sourc... More » Science Chemistry

Water covers about 70 percent of the surface of the earth, and the largest concentrations of it are in the Pacific, Atlantic and Indian Oceans. Water also makes up a large percentage of the composition of the human body.... More » Education

The most abundant element on Earth is oxygen, but the most abundant element in the entire universe is hydrogen. On Earth, oxygen makes up approximately 47 percent of the Earth's mass and is found both in Earth's atmosphe... More »

The most abundant element in the universe is hydrogen. Approximately 75 percent of all matter is composed of hydrogen. As of 2015, 90 percent of the visible universe is comprised of hydrogen. More »

Hydrogen is the most abundant element in the universe and can be found in a wide variety of organic and inorganic compounds, including water and sugars, and in the mass of stars. Hydrogen is the most basic element in the... More »

Hydrogen is a chemical element that is abundant in the universe and appears as a colorless and odorless gas. It was discovered in 1766 by an English scientist named Henry Cavendish, who observed that hydrogen burns and f... More » Science Chemistry Atoms & Molecules