Vocabulary
An amount of air that moves in as a unit.
What is an air parcel?
Liquid water droplets suspended in the air.
What is a cloud?
When water vapor in an air parcel cools, it can condense into liquid water which can form a cloud and fall as rain, when the droplets become too heavy.
What makes rain happen?
The process by which gas changes into a liquid.
What is condensation?
A measure of how much water vapor is in the air.
What is humidity?
When the air parcel moves higher in the troposphere the more energy it loses to become equal to the surrounding air.
What causes and air parcel to cool?
The process by which a liquid changes into a gas.
What is evaporation?
Conditions such as rain, clouds, and wind at a particular time and place.
What is weather?
If an air parcel is warmer than the surrounding air it will rise.
What makes an air parcel rise?
A measure of how hot or cold something is.
What is temperature?
The movement of air in a particular direction.
What is wind?
When an air parcel starts with a higher temperature, it will rise higher and lose more energy.
What causes more rainfall?
Rain, snow, sleet, or hail that falls from clouds onto the ground.
The layer of the atmosphere closest to Earth, where weather happens.
What is the troposphere?
Air parcels can be pushed higher into the troposphere by wind.
What can wind do to air parcels?