11-21-14 Flashcards
What is the movement of water between the atmosphere in the earth’s surface called?
Water cycle
How does the amount of water in the atmosphere change?
The sun heats the land and oceans the amount of water changes
What is water always doing?
Moving
Label the parts of the water cycle.
Evaporation condensation precipitation and the water runs off into the water puddle
What is evaporation?
The process by which water molecules in liquid water escapes into the air is water vapor.
Where does evaporation come from?
Bodies of water and plants
When plans sweat it is called what?
Transperation (sweating)
What is condensation?
The process by which water vapor in the air is changed into liquid water which forms clouds.
What is precipitation?
The liquid that formed the clouds that has become too heavy to stay in the air.
What is a runoff?
The variety of ways water moves across the land.
What is humidity?
A measure of the amount of water vapor.
The ability to hold water vapor depends on what?
The temperature.
Which can hold more water vapor hot or cold air?
Hot.
How do clouds form?
When water vapor from the air condenses to form ice crystals or liquid water.
How do scientists classify clouds?
Based on their size and shape.