This measures how fast air molecules are moving.

The boundary between cold and warm air masses is called this

Areas of low pressure usually have this type of weather.

This ultimately drives the water cycle

A(n) __________ is a large body of air that has the same properties as the Earth's surface over which it develops.

During this time of the day, the Sun's energy is spread over a larger area.

Good weather is formed when this system comes through and the air masses sink, making it difficult for clouds to form.

When water, in liquid or solid form, falls from the atmosphere it is called this.

Pressure that a column of air exerts on the air below it is called this.

El Niño is a climate event that starts here and sets off changes in the atmosphere.

As air moves down, this increases.

When you exhale on a cold morning, you see what looks like fog coming out with your breath. This is an example of this step in the water cycle.

Atmospheric conditions, along with short-term changes, of a particular place at a particular time is called this

the most solar radiation reaches the northern hemisphere during these months.

This type of system is associated with fair weather

The process by which water constantly moves between the hydrosphere and the atmosphere is called this.

This causes your skin feels sticky and sweaty on a hot summer day.

Seasons are caused by differences in daylight, temperature, and weather patterns due to this.

On satellite images, areas represented with cloud cover are most likely showing this type of pressure system.

This term is used to describe all of the water at Earth's surface.