Underground layer of porous rock or soil that is saturated with groundwater.
Occurs when so much water enters a stream or river that it overflows its banks.
Most freshwater is frozen in ice caps and these.
Material that water can pass through.
Deep crack in a glacier that forms as a result of ice movement.
Large body of freshwater drained by a stream.
Zone at the shoreline that is below water at high tide and above water at low tide.
Line between where water is in a rock layer (below) and where it is not (above).
Process of breaking down chemicals to make food energy.
Location where a stream forms, often high in the mountains.
Region near a stream where water overflows during floods.
Change in a substance from a gas to a liquid.
Water that falls from the sky as rain, snow, sleet, or hail.
The movement of water through the oceans, atmosphere, land, and living things.
Fresh water below Earth's surface.
Tiny animals that float at the surface their whole lives or only part of their lives.
Heated groundwater that erupts from the ground under pressure.
Small body of freshwater, with no stream draining it
Bends in a stream channel.
Point on the Earth’s surface where groundwater bubbles up.
The water molecule is this type of molecule.
Large underwater structure created from the calcium carbonate skeletons of coral.