Chem in the Environment

As a part of the water cycle, water from Earth's surface enters the clouds and finally falls back to the ground in the form of rain. What is the correct sequence of processes water undergoes?

• Evaporation, Condensation, Precipitation

• Precipitation, Condensation, Evaporation

• Condensation, Evaporation, Precipitation

• Evaporation, Precipitation, Condensation

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

• Condensation

• Evaporation

• Freezing

• Melting

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

• W

• X

• Y

• Z

On Earth, what process generates most of the water vapor?

• Condensation

• Evaporation

• Precipitation

• Transpiration

What is precipitation?

• Sweat from our bodies on hot days

• Warm rain but not cold snow or sleet

• Gas that we use in furnaces or ovens

• Any form of water that falls from the sky

What is another name or synonym for the water cycle?

• Geologic cycle

• Hydrologic cycle

• Geosphere

• Carbon cycle

What are formed when water vapor condenses?

• Clouds

• Mountains

• Transpiration

• Valleys

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

What is not a stage in the water cycle?

• Evaporation

• Precipitation

• Drizzle

• Runoff

How does the water cycle begin?

• Condensation

• Runoff

• Sublimation

• Evaporation