Water Unit Vocabulary

What is water treatment?

• Removing pollutants and contaminants from water to make it fit for human use.
• The change from liquid state to a gas.
• The process by which water is absorbed into the ground.
• The process of removing salt from ocean water.

What is infiltration?

• The process by which water is absorbed into the ground.
• The change from liquid state to a gas.
• The change from gas state to a liquid.
• The process of removing salt from ocean water.

What is sublimation?

• The changes from liquid state to a gas.

• The process of removing salt from ocean water.
• The change from gas state to a liquid.
• The change from solid state to a gas.

What is salinization?

• The accumulation of salts in water.
• The process of removing salt from ocean water.
• The change from liquid state to a gas.
• The process by which water is absorbed into the ground.

What is desalination?

• The process of removing salt from ocean water.
• The change from liquid state to a gas.
• The process by which water is absorbed into the ground.
• Water that contains insignificant amounts of salts.

What is wastewater?

• Water that is not absorbed by the soil, but moves on Earth’s surface to streams.
• Water that is not used.

• Water that is beneath Earth’s surface.
• Water that contains wastes from homes or industry.

What is point-source pollution?

• Pollution that comes from a specific site.
• Pollution that comes from multiple sources rather than from a specific site.
• Pollution that only comes from factories.

• Water that contains insignificant amounts of salts, as in rivers and lakes.

What is surface water?

• Water that is absorbed into the ground.
• Water that is not absorbed by the soil, but moves on Earth’s surface to streams.
• Water that is beneath Earth’s surface.
• All the bodies of freshwater, salt water, ice, and snow that are found above the ground.

What is sewage?

• Wastewater produced by humans usually containing feces and urine.
• Water that contains significant amounts of salts, as in rivers and lakes.

• Water that is absorbed beneath Earth’s surface.

• Water that is not absorbed by the soil, but moves on Earth’s surface to streams.

What is nonpoint-source pollution?

• Pollution that comes from multiple sources rather than from a specific site.
• Water that contains insignificant amounts of salts, as in rivers and lakes.
• Pollution that comes from a specific site.
• A body of rock or sediment that stores groundwater and allows the flow of groundwater.