The Unique Properties of Water

Front

What is a water molecule composed of?

Back

2 Hydrogen atoms and 1 Oxygen atom.

Front

The hydrogen atoms in a water molecule are ________________ charged.

Back

positively.

Front

Which two properties of water cause capillary action inside the xylem tubes of vascular plants?

Back

cohesion and adhesion.

Front

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

Back

Water expands and becomes less dense when it freezes.

Front

Why is water considered a universal solvent?

Back

It dissolves most substances.

Front

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

Back

It helps regulate temperature in the environment.

Front

What is cohesion in relation to water?

Back

The attraction between water molecules due to hydrogen bonding.

Front

What is adhesion in relation to water?

Back

The attraction between water molecules and other substances.

Front

How does water's polarity affect its interactions with other molecules?

Back

It allows water to dissolve ionic and polar substances.

Front

What is surface tension in water?

Back

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