What is weather?

• Weather is the atmospheric conditions, along with short-term changes of a certain place at a certain time. 

• Weather is the atmospheric conditions, along with long-term changes of wider areas at extended periods of time.  

• Weather is the increase in temperature and pressure.

• Weather is the wind speed and direction.

The unit the average kinetic energy of molecules in the air is called?

• air temperature 

• air pressure

• humidity

• wind speed

The pressure that a column of air exerts on the air, or surface, below it

• wind

• humidity

• air pressure

• wind pressure

Identify the event that must occur in order for the dew point to be reached.

• The amount of moisture in the air must remain constant

• Air temperature must rise

• The amount of moisture in the air must fall

• The amount of moisture must rise

It is a flat, white, and layered cloud with altitude of up to 2,000M

• Cirrus

• Cumulus

• Stratus

• Cirrostratus

It's a fluffy, heaped, or piled up clouds with altitude of 2,000M to 6,000M

• Stratus

• Cirrus

• Cirrostratus

• Cumulus

It's a wispy cloud with an altitude of 6,000 m and above

• Stratus

• Cirrus

• Cirrostratus

• Cumulus

What is the first step in cloud formation?

• Warm air that contains water vapor sinks and falls

• Warm air that contains water vapor rises and cools

• When the cooling air reaches its  dewpoint, water vapor condenses

• When the cooling air reaches its  boiling point, water vapor condenses

The temperature at which water vapor condenses is the ____

• relative humidity

• dew point

• freezing point

• heat wave

What are the elements necessary for a cloud to be created?

• cool temperatures, water, vapor

• wind, heat, water

• water vapor, low pressure

• low humidity