Water

Water, or dihydrogen oxide (H2O), is a vital compound in finding life. It is very abundant on Earth in the liquid form.

Water's Phases of Matter
Water in the solid form is called ice. Water becomes a solid at 32 degrees Fahrenheit, or 0 degrees Celsius.

Water in the gas form is called water vapor. Water becomes a gas at 212 degrees Fahrenheit, or 100 degrees Celsius.