Hydrosphere (Vocab Competition Set) Taken

Front

What is the hydrosphere?

Back

All of the water on and under the Earth's surface, including oceans, lakes, rivers, glaciers, groundwater, and all other bodies of water.

Front

What is density?

Back

The amount of matter in a given object, calculated as mass divided by volume.

Front

What does polarity mean in the context of water?

Back

Having opposite poles (positive and negative), which contributes to water's unique properties.

Front

Why is water known as the universal solvent?

Back

Because many substances dissolve in it, making it essential for various chemical reactions.

Front

What is an estuary?

Back

A coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

Front

Define watershed.

Back

An area of land that drains rainwater or snow into one location, such as a river, lake, or ocean.

Front

What is salinity?

Back

The concentration of salt in water, usually expressed in parts per thousand (ppt).

Front

Explain turbidity.

Back

A measure of how clear water is, often affected by the presence of suspended particles.

Front

What is an aquifer?

Back

A geological formation that can store and transmit water, often tapped for drinking water.

Front

Define surface tension.

Back

The cohesive force at the surface of a liquid that makes it behave like a stretched elastic membrane.