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Water Systems

Across
Whether is rapid and large growth of the algae in a body of water caused by either the runoff of improperly applied fertilizer or the leakage of untreated urban sewage.
A type of lake that is formed when large chunks of ice left behind a glacier melt away.
A parasite sometimes found by scientists testing water quality that cause intestinal problems in humans.
Movement of water through a membrane from an area of lower water concentration to one of higher water concentration.
Diffusion of water through a selectively permeable membrane.
Description of the variety of different species in an ecosystem; may also be used to describe variety in a population or species.
Water found in oceans.
A chemical used to filter and treat water to kill any dangerous organisms.
Water that is safe for humans to drink.
Average weather measured over a long period of time.
Group of organisms of the same species that live in a particular area.
Shallow areas around the edges of the continents; deposits of material eroded off the continents.
The zone which us a shoreline area inhabited by plants and animals that need to be able to live out of the water for part of the day at low tide.
Small hills with a distinctive tear drop shapes;form when a glacier moves over moraines.
Streams of water that move within a larger body of water.
An item that drinking water is tested for; the amount of gaseous oxygen that is dissolved in the water.
Form from rocks and gravel that build up along the sides and at the end of the glacier.
The solid outer part of the earth, made up of rock that is broken into huge plates.
Glaciers hat cover vast areas of land; ice caps.
Down
Melted water from glaciers that flow in tunnels under the ice.
Water containing a high concentration of calcium and magnesium.
Water held underground in the soil or in pores and crevices in rock. This water makes up 22% of the fresh water on the planet.
Technique for separating solutions that involves boiling and condensation.
The measurement of how warm or cold something is.
The wearing away and transporting of rock fragments and soil by moving water.
One of the most diverse and richest ecosystems. Here freshwater from rivers and streams mixes with the salt water of the ocean to form brackish water.
The deepest parts of the ocean, receiving little to no light and containing little oxygen. Its far from shore so not many nutrients are available for plants, though many animals inhabit this zone.
Underwater volcanoes that don't come all the way to the ocean's surface.
Large moving bodies of ice; can be meters or even kilometres thick.
Amount of dissolved salts in water.
Eroded rock fragments and soil carried by water or wind.
Daily change in water level of the oceans.
Observe, check, or keep track of something for a specific purpose.
A description of a stream or river's characteristics including the rate of water flow and the slop of the bed.
Large moving bodies of ice; can be meters or even kilometres thick.
In water, circular movement of water particles that causes a change in pattern that moves along the water's surface; the pattern can move over long distances but the water particles do not.
One of the criteria for testing our drinking water. Refers to how acidic or basic the water is.