Hydrology studies:

• the atmosphere

• the natural water cycle

The amount of water on Earth:

• changes all the time

• remains relatively constant

Does water cycle involve the exchange of energy?

• Yes

• No

Water on Earth exists in following forms:

• only liquid

• only vapor

• only solid ( ice)

• in all above mentioned

When water evaporates it:

• warms the environment

• cools the environment

When water condenses it:

• cools the environment

• warms the environment

Does water cycle influence climate?

• no

• yes

Precipitation occurs as:

• snow and sleet

• only rain

• hail

• all above mentioned

The result of water condensation is:

• rain

• snow

• creating clouds and fog

Evaporation means:

• transformation of water from liquid to gas phase

• release of water from plants

• release of water from soil