What part of the atmosphere do we experience everyday?
Troposphere
The _____ _____ protects us from ultraviolet rays from the sun.
Ozone Layer
The ______ is a very stable layer, the air is very dry because of this there are few clouds, and the ozone layer is here.
Stratosphere
The _______ comes from the Greek word meso meaning middle, most meteors burn up in this layer, and reddish lightning called sprites are also found in this layer.
Mesosphere
The _____ where the Northern lights are found, where the Southern lights are found, and where the International Space Station (ISS) orbits.
Thermosphere
The ______ is the layer farthest from the earth, its edge marks the edge of space, Auroras sometimes happen in the lower part.
Exosphere
_____ _____ is the downward force caused by the molecules of air in the atmosphere.
Atmospheric Pressure
Air pressure is measured with a tool called what?
Barometer
____ ____ are the border of areas between air of different densities and temperatures.
Weather Fronts
On a weather map, the symbol for a cold front is a ____ _____ with _____ _____.
Blue Line Blue Triangles
On a weather map, the symbol for a warm front is a ____ ____ with ____ ______
Red Line Red Half-Circles
Sometimes on a weather map you will see a purple line with both triangles and half-circles. This shows the location of an ___ _____.
OccludedFront
The vertical difference between sea level and where you are is your ______.
Elevation
______ is how high land is above sea level.
Elevation
______ is how high an object is above sea level.
Altitude
The places where sunlight hits the Earth at a right angle get a lot of sun in a small area. This area is close to the equator. It’s called the ____ region.
Equatorial
The places where sunlight hits the Earth at a shallow angle get the same amount of sunlight, but it’s spread over a much larger area. They’re called the _____ regions.
Polar
The Earth has seasons because it is tilted at an angle of __._ degrees.
23.5
In North America, calendars are set so that the Sun is directly overhead at its furthest north position on June 21 or 22. This is called the ___ ____.
Summer Solstice
During this part of the Earth’s orbit, the Northern Hemisphere is tilted away from the Sun which usually happens on December 21 or 22.
Winter Solstice
The ____ Equinox and the ____ Equinox, which is also called the ____ Equinox all happen when North America is not tilted away or towards the sun.
Autumnal Spring Vernal
Clouds are classified by _____ and _____.
Shape Altitude
Most clouds form in the _____.
Troposphere
____ ____ clouds form at an altitude of less than 2000m. This group includes ____, ____, ____, ____. Even though these clouds form in lower levels they can be tall.