Properties of Water

Front

What is the main reason ice floats on liquid water?

Back

As water freezes, it crystalizes and expands, decreasing its density.

Front

What is a polar molecule?

Back

A molecule with electrically charged areas, such as water.

Front

Which end of a water molecule has a slightly positive charge?

Back

The hydrogen end.

Front

How does the low density of frozen water benefit aquatic life?

Back

It provides insulation for organisms below the ice.

Front

What is the significance of pH in biological systems?

Back

Enzymes only function within a narrow range of pH.

Front

What happens to water when it freezes?

Back

It expands and forms a crystalline structure.

Front

Why is water considered a universal solvent?

Back

It can dissolve many substances due to its polarity.

Front

What is cohesion in the context of water?

Back

The attraction between water molecules, leading to surface tension.

Front

What is adhesion in the context of water?

Back

The attraction between water molecules and other substances.

Front

How does water's high specific heat affect climate?

Back

It moderates temperature changes in the environment.