What is this?
Weather
The state of the atmosphere at a given time and place?
Compass
A tool used to measure wind direction
Water (in some form) falling from the sky
Precipitation
The layer that contains weather?
Troposphere
The scientists that studies weather?
Meteorologist
Atmospheric Pressure
Thermometer
Used to measure temperature
When water flows into streams on the surface
Surface runoff
Stratosphere
How do High-pressure systems move?
Clockwise
Equinox
Means "equal night"?
Anemometer
Measures wind speed
When water vapor turns into a liquid
Condensation
Which layer contains space?
Exosphere
What kind of weather do low-pressure systems create?
unstable weather, thunderstorms
Perihelion
What is when the Earth is closest to the sun?
Hygrometer
When water turns into water vapor by heat
Evaporation
Which layer consists of the northern and southern lights?
Thermosphere
Oxygen and Nitrogen
Dew Point
the temperature at which the air is saturated with water vapor
Barometer
Measures atmospheric pressure (air pressure)
The term used when water evaporates from a plant
Transpiration
What layer do meteors burn up in?
Mesosphere
At what speed do tropical storms turn into hurricanes?
74 mph