Atmosphere Around You
Water in the Atmosphere
Air Masses
Predicting Weather
Severe Weather
100
What is the main source of energy for our Earth and atmosphere?
The sun!
100
The sun causes __________ to happen by heating water.
Evaporation
100
A body of air with similar temperature, air pressure and humidity is known as
An air mass
100
What does a thermometer measure?
Temperature
100
What do we call a violent disturbance in the atmosphere?
A storm
200
As altitude increases, air pressure _____________.
Decreases
200
What do we call it when molecules of water vapor in the air become liquid water?
Condensation
200
What type of air mass forms further North and is cold and dry?
Continental Polar
200
What tool do meteorologist use to measure air pressure?
barometer
200
A long period with little or no rain
drought
300
Air moves from areas of ____ pressure to areas of ____ pressure.
High to low
(it is the only way to go!)
300
Any water that falls from the sky is known as ________________.
Precipitation
300
What type of air mass forms closer to the equator and is warm and humid?
Maritime tropical
300
Why is predicting the weather important?
Safety!
300
A storm with thunder and lightning is known as
A thunderstorm
400
As altitude increases, air density_______________
Decreases
400
The type of precipitation will occurs depends on ________________.
Temperature
400
What kind of front: warm air rises above cold air and brings severe weather.
Cold front
400
When barometric pressure is falling, the weather will be ________________.
stormy
400
What type of severe weather includes wind speeds of at least 119 km/h, flooding, heavy rain, and storm surges?
Hurricanes
500
How can the weather be warm and sunny one day and cold and stormy the next? *Hint: what moves air masses globally?
Jet stream
500
Animals (and people!) release water vapor into the air every time they breathe out, or exhale. What do we call this?
Respiration
500
Describe a warm front
A fast-moving warm air mass overtakes a slower-moving cold air mass.
500
What type of instrument can travel into the atmosphere to collect weather data?
A weather balloon
500
A thunderstorm can turn into an extremely fast spinning column of air known as a ____________
Tornado
600
Reflect on our graph of Felix's fall through the atmosphere. Describe how temperature changes as elevation increases.
Temperature decreases, increases, decreases and then increases again.
600
In plants, water enters through the roots, rises to the leaves, and is released into the air as water vapor. This is known as _______________.
Transpiration
600
Describe an occluded front: *hint, there are 3 air masses!
A cold front comes in and traps a warm air mass between itself and another cold front
600
Mary notices that it has been raining for several days. She hears the news reporter say that there is a stationary front present. What does this mean?
a cool air mass and a warm air mass have met but neither are moving bringing clouds and rainy weather.
600
What is one risk from flooding?
Water can remain for a long time, can occur at night and can't be seen, very little warning, can contaminate drinking water
