Structure and properties of water

Front

What is the specific heat of water?

Back

Water has a high specific heat, meaning it can absorb a lot of heat before its temperature changes significantly.

Front

What happens if water had a low specific heat?

Back

Organisms that are sensitive to changes in temperature would die.

Front

What is an acid?

Back

An acid is a substance with a pH less than 7.

Front

What property of water allows it to regulate body temperature?

Back

Water has a high capacity for heat.

Front

Why can small insects walk on water?

Back

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together.

Front

What unique property of water prevents lakes from freezing solid in winter?

Back

Water expands and becomes less dense when it freezes.

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 the role of water as a solvent?

Back

Water is known as the universal solvent because it can dissolve many substances.

Front

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

Back

It allows organisms to cool down through processes like sweating.