Fresh Water/Hydrosphere Flashcard

Front

What is the process of sediment being dropped off in a new place called?

Back

Deposition

Front

What is sediment pollution and what does it harm?

Back

Sediment pollution occurs when soil and dirt enter waterways and is harmful to plant and animal life.

Front

What form does most freshwater on Earth take?

Back

Frozen (in glaciers and ice caps).

Front

How do valleys form?

Back

Valleys form when rivers or glaciers wear away particles of rock slowly over time through abrasion.

Front

What percent of total water on Earth is fresh?

Back

3%.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks and minerals, while erosion is the movement of those materials from one location to another.

Front

What is groundwater?

Back

Groundwater is water that is stored underground in soil and rock layers.

Front

What are the main sources of freshwater?

Back

The main sources of freshwater include glaciers, lakes, rivers, and groundwater.

Front

What is the hydrosphere?

Back

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet.