FLASHCARD #3 Properties of Water

Front

How much of Earth's water is salt water?

Back

97% of Earth's water is salt water.

Front

What happens to the density of water as it freezes?

Back

The density of water decreases as it freezes.

Front

Water with a pH of 7 is called ....

Back

neutral.

Front

What is capillary action?

Back

Capillary action is the ability of water to flow in narrow spaces without the assistance of external forces, involving both adhesion and cohesion.

Front

Which is NOT a unique property of water?

Back

Water cools very rapidly is NOT a unique property of water.

Front

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

Back

Water's high specific heat allows it to absorb and retain heat, helping to regulate temperature in the environment.

Front

Define cohesion in relation to water.

Back

Cohesion is the attraction between water molecules due to hydrogen bonding, which causes water to form droplets.

Front

Define adhesion in relation to water.

Back

Adhesion is the attraction between water molecules and other substances, allowing water to climb up surfaces.

Front

What is the boiling point of water at sea level?

Back

The boiling point of water at sea level is 100 degrees Celsius (212 degrees Fahrenheit).

Front

What is the freezing point of water?

Back

The freezing point of water is 0 degrees Celsius (32 degrees Fahrenheit).