Water and Earth Quiz

Which of the following is the most abundant molecule on Earth?

• Nitrogen

• Oxygen

• Water

• Carbon dioxide

Approximately how much of Earth's surface is covered by water?

• 10%

• 30%

• 50%

• 70%

What is the process by which water vapor changes into liquid water?

• Condensation

• Evaporation

• Precipitation

• Transpiration

What is the continuous movement of water between Earth's atmosphere, land, and oceans?

• Water cycle

• Hydrologic cycle

• Water evaporation

• Water condensation

Which of the following is the longest river in the world?

• Amazon River

• Nile River

• Mississippi River

• Yangtze River

What is the largest freshwater lake in the world?

• Lake Superior

• Lake Michigan

• Lake Baikal

• Lake Huron

What is the process of water seeping through the soil and rock layers to become groundwater?

• Infiltration

• Percolation

• Groundwater flow

• Aquifer recharge

What is the layer of rock that holds groundwater?

• Aquifer

• Aqueduct

• Reservoir

• Basin

What is the process of removing salt from seawater to make freshwater?

• Desalination

• Distillation

• Filtration

• Reverse osmosis

What is the use of water to transport goods and people?

• Agriculture

• Industry

• Domestic use

• Navigation