Properties of Water/Watersheds (VA SOL 6.6/6.8) Gr8 Science SOL

Because water is able to dissolve so many different substances, it is known as the -

• universal solute

• universal compound

• neutral solvent

• universal solvent

Which of the following are examples of surface tension? CHOOSE ALL THAT APPLY

• raindrops forming round beads when they fall on a car windshield

• athletic clothing that allows you to keep cool

• ice floating to the surface of a lake

• insects that can "walk" on water

Water's polar nature causes it to have what important property?

• the ability to flow

• the ability to rise in temperature

• the ability to dissolve many substances

• the ability to freeze

The chemical formula for water is -

• OH

• HO₂

• H₂O

• H₂O₂

How many atoms of hydrogen does a water molecule have?

• 1

• 2

• 3

• 4

The only substance on Earth that commonly exists in all three states of matter (solid, liquid, gas) is -

• oil

• salt

• water

• oxygen

What is the boiling point of water in degrees Celsius?

• 32º

• 212º

• 100º

• 0º

The process of a gas changing into a liquid is called -

• evaporation

• condensation

• precipitation

• sublimation

What is the freezing point of water in degrees Celsius?

• 32º

• 212º

• 100º

• 0º

Which of the following is NOT a property of water?

• water sinks when it freezes

• water has a large temperature range in its liquid state

• water dissolves many substances

• water has high surface tension