What is a violently rotating column of air that is in contact with both the surface of the earth and forms from a thundercloud
What is tornado
What percent of the Earth's Atmosphere is made of nitrogen?
What is 78%?
this weather instrument measures wind direction
wind vane
The main source of energy on Earth?
The sun
Brings clear skies and sunshine
What is high pressure
this weather instrument measures humidity
What is a hygrometer
What type of air mass would bring cold, dry weather?
Continental Polar
How can pollutants effect weather?
It makes them more severe
What type of pressure system creates long steady precipitation
Low Pressure
What law states Energy cannot be created nor destroyed
Law of Conservation of Energy
This type of severe weather has no precipitation for an extended period of time
What type of clouds are formed in a low pressure system?
Nimbostratus
Convection
What are the most abundant elements in the atmosphere?
What is nitrogen and oxygen
This severe weather has the strongest winds on Earth
Tornado
Name 3 greenhouse gases
Carbon Dioxide, Methane, Water Vapor, & Ozone