The Hydrosphere Flashcard

Front

What is a water molecule composed of?

Back

A water molecule is composed of two hydrogen atoms and one oxygen atom.

Front

Why is a water molecule considered polar?

Back

A water molecule is considered polar because it has a slightly positive end (hydrogens) and a slightly negative end (oxygen).

Front

Where is most of the Earth's water found?

Back

Most of the Earth's water is found in the oceans.

Front

What is an example of a non-point source of pollution?

Back

An example of a non-point source of pollution is fertilizer runoff from lawns.

Front

What term describes water's ability to dissolve many substances?

Back

Water is called the 'Universal solvent' because it can dissolve many substances.

Front

What is the significance of the polar nature of water?

Back

The polar nature of water allows it to form hydrogen bonds, which are crucial for many biological processes.

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 plant water uptake.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.

Front

What are the three states of water?

Back

The three states of water are solid (ice), liquid (water), and gas (water vapor).

Front

What is the role of water in temperature regulation?

Back

Water helps regulate temperature through its high specific heat capacity, absorbing and releasing heat slowly.