The atmosphere
Air pressure
Weather
Air pressure 2
The atmosphere 2
Mixed Review
100
Clouds are here
What is the troposphere
100
This tool is used to measure air pressure
What is a barometer
100
Which temperature of air weighs more-hot or cold and WHY?
What is cold because when air masses collide the hot air is the one to rise and it is more dense.
100
Air pressure decreases as altitude
What is increases
100
What does the ozone layer do
What is blocks harmful UV rays from the sun
100
The most abundant gas in the atmosphere.
What is nitrogen?
200
Where meteors burn up
what is the mesosphere
200
Label the pictures as either high or low pressure, and then describe what kind of weather it brings. 
A-low pressure-air rising because it's less dense and bad weather
B-high pressure-good weather air moving towards Earth
200
Tornadoes and hurricanes are large areas of _____ pressure.
LOW
200
Cold temperatures mean ____ pressure
What is lower pressure
200
In which layer of the atmosphere is the air pressure the greatest
What is the troposphere
200
Caused by the unequal heating of the Earth's surface
What is wind?
300
The ozone is found here
What is the Stratosphere
300
Why is air pressure greater at the bottom of a mountain
what is the air is more dense
300
________ fronts are slower than ________ fronts.
Warm, Cold
300
Wind moves from ___ pressure to ___ pressure
What is high, low
300
As you go higher in the troposphere, the temperature ______
What is decrease
300
Long, high sea wave caused by an earthquake in the ocean
What is a tsunami?
400
Weather occurs here
What is the troposphere
400
Why does warm air create less air pressure
what is that it is less dense
400
Why does the weather change
What is when wind moves air masses
400
What is air pressure
What is the air pressure is the weight of the atmosphere pressing down on Earth’s surface
400
What is the hottest layer
What is the thermosphere
400
A storm with violent wind, warm water, low pressure, and revolution that causes wind damage, flood, and loss of organisms.
What is a hurricane?
500
What is the atmosphere mainly composed of:
nitrogen
500
Describe how the number of air molecules change as you climb a mountain
What is the higher you climb the mountain the amount of air molecules decreases.
500
What is the definition for weather
What is the state of the atmosphere and the humidity, temperature, and air pressure
500
Where is air pressure greatest
What is Earth's surface
500
Name the layers of the atmosphere in order from the Earth's surface to space
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
500
Lines connecting points of equal barometric pressure.
What are isobars?
600
Draw a diagram that shows how unequal heating of the Earth's surface helps to cause wind.
600
Cloudy stormy skies, strong winds, spiral counterclockwise, warm, moist air....
What are characteristics of low pressure?
600
Large body of air that has relatively uniform temperature and humidity. Some originate over land (continental) some originate over water (maritime)
What are air masses?
600
Average barometric pressure at sea level is 1013.25 millibars (mb) or 29.92 inches of mercury (Hg)
What is atmospheric pressure?
600
Name at least three examples of what the atmosphere does for the Earth
layer of gases that surrounds the Earth
protects and supports life
absorbs energy from the sun
protects life from high energy radiation and frigid vacuum of space
recycles water and other chemicals
600
When two cold air masses converge on a warm air mass and occurs when a fast moving cold front overtakes a warm front pushing it up and over cold air.
What is an occluded front?