Properties of Water

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

When water and other liquids stick together to form drops or thin films, this phenomenon is called _____________.

Back

Surface tension.

Front

What word describes when water is attracted to other substances?

Back

Adhesion.

Front

Why does ice float?

Back

As water freezes, it expands and its density decreases.

Front

What is a molecule in which opposite ends have opposite electric charges called?

Back

Polar molecule.

Front

What is the term for the attraction between molecules of the same substance?

Back

Cohesion.

Front

What is the process called when water moves up through a narrow space against gravity?

Back

Capillary action.

Front

What property of water allows it to absorb a lot of heat before increasing in temperature?

Back

High specific heat.

Front

What is the term for the energy required to change water from liquid to gas?

Back

Heat of vaporization.

Front

What is the significance of water being a universal solvent?

Back

It can dissolve many substances, facilitating chemical reactions.