Earth's Water

1. Available Water

1.1. Oceans

1.2. Fresh Water

1.2.1. Rivers and Streams

1.2.2. Lakes and Ponds

1.2.3. Groundwater

2. Characteristics of Water

2.1. Phases of Water

2.2. Hydrogen Bonding

2.3. Density

3. The Water Cycle

3.1. Water in the Ground

3.1.1. New node

3.2. Water in the Air

3.3. Water in Plants

4. Water Use

4.1. People

4.2. Other Living Things

4.3. Pollution