Gr 8 Water Quiz Practice

How much of the Earth is covered in water?

• 65%

• 70%

• 75%

• 80%

About 70% of Earth is covered with water. What percentage of this is salt water?

• 2.5%

• 10.9%

• 60.2%

• 97.5%

About 70% of Earth is covered with water. What percentage of this is fresh water?

• 97.5%

• 60%

• 10%

• 2.5%

Only about 1% of Earth’s water is liquid fresh water. How much of this liquid fresh water is at Earth’s surface in streams, rivers, and lakes?

• 0.01%

• 1%

• 10%

• 0.001%

Only about 1% of Earth’s water is liquid fresh water. How much of this liquid fresh water is underground?

• 9%

• 9.9%

• 99%

• 99.9%

A continuous pattern in nature in which water moves as it changes state above, on, and below the surface of Earth is called?

• water circuit

• water system

• water cycle

• water process

Sublimation is ?

• the change of state from a gas to a solid without first becoming a liquid; occurs when a gas loses thermal energy

• the change of state from a solid to a gas without first becoming a liquid; occurs when a solid gains thermal energy

• the change of state from a liquid to gas; occurs when a liquid gains thermal energy

• the change of state from a gas to liquid; occurs when a gas loses thermal energy

Deposition is ?

• the change of state from a gas to a solid without first becoming a liquid; occurs when a gas loses thermal energy

• the change of state from a solid to a gas without first becoming a liquid; occurs when a solid gains thermal energy

• the change of state from a liquid to gas; occurs when a liquid gains thermal energy

• the change of state from a gas to liquid; occurs when a gas loses thermal energy

Evaporation is ?

• the change of state from a gas to a solid without first becoming a liquid; occurs when a gas loses thermal energy

• the change of state from a solid to a gas without first becoming a liquid; occurs when a solid gains thermal energy

• the change of state from a liquid to gas; occurs when a liquid gains thermal energy

• the change of state from a gas to liquid; occurs when a gas loses thermal energy

Condensation is ?

• the change of state from a gas to a solid without first becoming a liquid; occurs when a gas loses thermal energy

• the change of state from a solid to a gas without first becoming a liquid; occurs when a solid gains thermal energy

• the change of state from a liquid to gas; occurs when a liquid gains thermal energy

• the change of state from a gas to liquid; occurs when a gas loses thermal energy