Properties of Water

Front

Water is the only substance on Earth that naturally exists in _______________.

Back

All three states (solid, liquid, gas)

Front

What two elements make up water?

Back

Hydrogen and Oxygen

Front

The attraction that causes water and other liquids to form drops on thin films is called ________________.

Back

Cohesion

Front

Why does water not pour out when a fine mesh screen is placed under a bottle of water?

Back

The surface tension of the water holds the water molecules together.

Front

Which is NOT a unique property of water?

Back

Water cools very rapidly.

Front

What is the term for the ability of water to stick to other substances?

Back

Adhesion

Front

What is the term for the ability of water to move through narrow spaces without the assistance of external forces?

Back

Capillary action

Front

What happens to water when it freezes?

Back

Frozen water (ice) floats on liquid water.

Front

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

Back

It allows water to absorb and retain heat, regulating temperatures in the environment.

Front

What is surface tension?

Back

The cohesive force between water molecules at the surface that makes it behave like a stretched elastic membrane.