The oceans are the primary source of water for the Earth's water cycle, accounting for approximately 97% of the Earth's total water.

Evaporation is the process by which water evaporates from the Earth's surface and condenses in the atmosphere.

Condensation is the process by which water vapor in the atmosphere condenses into liquid water droplets or ice crystals.

Precipitation is the process by which water falls from the atmosphere to the Earth's surface.

Transpiration is the process by which plants release water vapor into the atmosphere through their leaves.

Climate is the term used to describe the average weather conditions in a particular area over a long period of time.

Weather is the term used to describe the short-term state of the atmosphere in a particular area.

Atmosphere is the term used to describe the layer of gases that surrounds the Earth.

Hydrosphere is the term used to describe the layer of water that covers the Earth's surface.

Water Cycle is the term used to describe the movement of water through the Earth's water cycle.

Evaporation is the term used to describe the process by which water moves from the Earth's surface to the atmosphere.

Precipitation is the term used to describe the process by which water moves from the atmosphere to the Earth's surface.

Infiltration is the term used to describe the process by which water moves through the Earth's crust.

Percolation is the term used to describe the process by which water moves through the Earth's crust.

Runoff is the term used to describe the process by which water moves over the Earth's surface.