The Hydrosphere Flashcard

Front

What does it mean for water to be polar?

Back

Water is polar because it has a positive charge on one side (hydrogen atoms) and a negative charge on the other side (oxygen atom), leading to unique properties like cohesion and adhesion.

Front

What is the primary source of salt in the ocean?

Back

The primary source of salt in the ocean is rocks on land, which release minerals into water through weathering.

Front

Why is water called the universal solvent?

Back

Water is called the universal solvent because it can dissolve more substances than any other liquid, making it essential for life.

Front

What is a non-point source of pollution?

Back

A non-point source of pollution is pollution that comes from multiple, diffuse sources, such as fertilizer runoff from lawns.

Front

What two elements make up water?

Back

Water is made up of two elements: hydrogen and oxygen.

Front

What is the water cycle?

Back

The water cycle is the continuous process by which water evaporates from the Earth's surface, condenses in the atmosphere, and precipitates back to the surface.

Front

What is capillary action?

Back

Capillary action is the ability of water to flow in narrow spaces without the assistance of external forces, important for water movement in plants.

Front

What is the significance of water's high specific heat?

Back

Water's high specific heat means it can absorb a lot of heat without a significant change in temperature, helping to regulate climate and maintain stable environments.

Front

What is the role of water in ecosystems?

Back

Water is essential for all living organisms, providing habitat, facilitating biochemical reactions, and supporting nutrient transport.

Front

What is the difference between point source and non-point source pollution?

Back

Point source pollution comes from a single, identifiable source (like a factory), while non-point source pollution comes from multiple, diffuse sources (like agricultural runoff).