1. Liquid: This is the most familiar state of water, and it is what we drink and use for many everyday purposes. Liquid water exists in rivers, lakes, oceans, and groundwater.
2. Solid: This is the frozen form of water, known as ice. It is found in glaciers, ice caps, snow, and frozen lakes and rivers.
3. Gas: This is the invisible form of water, known as water vapor. It is present in the atmosphere and is responsible for clouds and precipitation.