Lesson 1
The relatively thin layer of gasses that surround Earth.
Atmosphere
The continuous movement of water from Earth's surface to the atmosphere and back again.
Water Cycle
A huge body of air that has similar temperature, humidity, and air pressure at any given height.
Air Mass
A scientist who studies and predicts the weather.
Meteorologist
A 'dome' of water that sweeps across the coast where a hurricane is traveling.
Storm Surge
The movement of air parallel to Earth's surface.
Wind
When water vapor turns into liquid water.
Condensation
Another name for hurricane.
Typhoon or cyclone
A band of high speed winds about 6-14 km above Earth's surface.
Jet Stream
A cyclone with wind speeds exceeding 119 km/h.
Hurricane
The gas that makes up 78% of Earth's atmosphere.
Nitrogen
The four different kinds of precipitation.
Snow, Sleet, Rain, Hail
The type of front that typically produces severe weather and storms.
Cold Front
The temperature at which condensation begins.
Dew Point
This allows meteorologists to categorize tornadoes based on the amount or type of damage they cause.
The Fujita Scale
The device used to measure air pressure.
Barometer
The device used to measure relative humidity.
The name of the layer of our atmosphere we are in and weather occurs.
Troposphere
Evaporation coming out of the leaves of plants.
Transpiration
A localized storm often accompanied by heavy precipitation, frequent thunder, and dangerous lightning.
Thunderstorm
Gravity and this other force affect air pressure.
Temperature
The smallest form of rain.
Cloud Droplets
The two-word name for a dry and cold body of air.
Continental Polar
Maritime Tropical
The temperature in Celsius the air has to be at for snow to fall.
0 degrees