The continuous process by which water moves from Earth's surface to the atmosphere and back again.
What is the water cycle?
Most of Earth's _______ _______ is frozen as snow and ice.
Fresh water.
A trickle of water that originates from a source like an underground stream, runoff from rain, or melting snow or ice.
What is a river?
Water that fills cracks and spaces in soil and rock layers.
What is groundwater?
The total amount of dissolved salts in a sample of water.
What is salinity?
The process by which molecules at the surface of a liquid absorb enough energy to change into a gas.
What is evaporation?
A small amount of precipitation that remains on Earth's surface and runs off into streams and rives.
What is runoff?
The land area that supplies water to a river system.
What is a watershed?
The upper layer of the saturated zone.
What is the water table?
Interferes with the formation of ice.
What is salt?
Water vapor given off through leaves.
What is transpiration?
A series of actions or operations leading toward a particular result.
What is a process?
Ridges of land that separate watersheds.
Layers of rock that hold water below the saturated zone.
What are aquifers?
Has a higher density than fresh water.
What is salt water?
The process by which water vapor becomes liquid water.
What is condensation?
Largest ocean covering an area greater than all the land on Earth.
What is the Pacific Ocean?
Form when water collects in hollows and low-lying areas of land.
What are ponds and lakes?
A hole sunk into the earth to reach a supply of water.
What is a well?
Drop as you move further away from the equator.
What are water temperatures?
Water that forms in clouds and falls to earth as rain, sleet or snow.
What is precipitation?
Smaller saltwater bodies that generally inland and landlocked.
What are seas?
A storage space for water.
What is a reservior?
The entire area below the water table.
What is groundwater?
The force exerted by the weight of water.
What is water pressure?