Properties of Water

Front

What makes up a molecule of water?

Back

One atom of oxygen and two atoms of hydrogen.

Front

What is the term for when water and other liquids stick together to form drops or thin films?

Back

Surface tension.

Front

What unique property of water allows fish and aquatic plants to survive under ice in winter?

Back

Water expands and becomes less dense when it freezes.

Front

What property of water helps to moderate Earth's temperature?

Back

Specific heat capacity.

Front

What is the chemical formula for water?

Back

H₂O.

Front

What is cohesion in relation to water?

Back

Cohesion is the property of water molecules to stick to each other due to hydrogen bonding.

Front

What is adhesion in relation to water?

Back

Adhesion is the property of water molecules to stick to other substances.

Front

What is capillary action?

Back

Capillary action is the ability of water to flow in narrow spaces without the assistance of external forces.

Front

Why does ice float on water?

Back

Ice is less dense than liquid water due to the arrangement of hydrogen bonds.

Front

What is the latent heat of vaporization?

Back

The amount of energy required to convert water from liquid to gas without changing its temperature.