U2L1 - Water and Its Properties Pretest

Front

Why does solid water (ice) float in liquid water?

Back

Ice is less dense than liquid water.

Front

What is the difference between gaseous and liquid water in terms of shape?

Back

Only water vapor expands to fill the available space.

Front

What property of water allows it to form droplets on leaves?

Back

Cohesion.

Front

What is the composition of a water molecule?

Back

A water molecule contains two hydrogen atoms and one oxygen atom.

Front

What charge does the oxygen atom in a water molecule have?

Back

The oxygen atom is negatively charged.

Front

What happens to water vapor in terms of space compared to liquid water?

Back

Unlike liquid water, water vapor expands to fill available space.

Front

What is cohesion in relation to water?

Back

Cohesion is the property that allows water molecules to stick to each other.

Front

What is adhesion in relation to water?

Back

Adhesion is the property that allows water molecules to stick to other substances.

Front

How does temperature affect the state of water?

Back

Increasing temperature can change water from liquid to gas (vapor) and from solid (ice) to liquid.

Front

What is the specific heat of water?

Back

Specific heat is the amount of heat required to raise the temperature of water.