Graph the distribution of the earth's water.
Water is the most abundant, unique and important substance on Earth.
It is essential to life and is a major component of all living materials. Approximately 1520 billion liters of water exist on Earth. The earth has been called the water planet. Pictures taken from space show the earth as a big blue marble because of the amount of water found at the surface. Instruct each group to fill their 1000mL beaker with 1000mL of tap water.