PSMS Properties of Water

Front

What is the density of water?

Back

One gram per cubic centimeter.

Front

What property of water allows a paperclip to float on its surface?

Back

Surface tension.

Front

What two elements make up a water molecule?

Back

Hydrogen and oxygen.

Front

What is the term for water drops being attracted to each other?

Back

Cohesion.

Front

Which of the following is NOT a unique property of water: Water cools very rapidly, Water expands when frozen, Water has a high specific heat, Water is a universal solvent?

Back

Water cools very rapidly.

Front

What is the term for the ability of water to resist changes in temperature?

Back

High specific heat.

Front

What is the phenomenon called when water molecules stick to other substances?

Back

Adhesion.

Front

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

Back

It allows organisms to regulate temperature through processes like sweating.

Front

How does water's density change when it freezes?

Back

Water expands and becomes less dense when it freezes.

Front

What is the role of water as a solvent in biological systems?

Back

It dissolves many substances, facilitating chemical reactions and transport in cells.