Properties of Water

Front

What makes up a molecule of water?

Back

one atom of oxygen, two atoms of hydrogen

Front

Why does ice float on water?

Back

Water expands when it freezes.

Front

Why do large bodies of water not quickly fluctuate in temperature?

Back

Water has a high heat capacity.

Front

What word describes when water is attracted to other substances? Options: cohesion, adhesion, capillary action, surface tension

Back

adhesion

Front

Why does water move from the roots to the leaves of plants?

Back

Capillary action pulls the water molecules like a chain

Front

Attractions between water molecules are called

Back

Hydrogen bonds

Front

Which is NOT a unique property of water? Options: Frozen water floats on liquid water. , Water covers most of the Earth’s surface and retains a large amount of heat. , Water molecules stick to each other through hydrogen bonds. , Water cools very rapidly.

Back

Water cools very rapidly.

Front

What property of water helps to moderate earth's temperature?

Back

Specific heat capacity

Front

What is the chemical formula for water? Options: H20, h₂o, H₂O₂, H₂O

Back

H₂O

Front

What unique property of water allows fish and aquatic plants to survive under ice in winter?

Back

Water expands and becomes less dense when it freezes.