Atmosphere
What is the atmosphere?
gases that surround Earth
Burning yourself or walking on hot ground are examples of which type of heat transfer?
What is the main ingredient in a cloud?
Water
What is the most common type of precipitation?
Rain
What must weather do to be considered "severe"?
Cause damage or injury/death
Which gas makes up most of Earth's atmosphere?
Nitrogen
What do we call the transfer of energy from the sun?
Radiation
If the air is saturated, what percent humidity is it at?
100%
What kind of air is a continental polar (cP) air mass carrying?
Dry and cold
Why do we see lightning before we hear thunder?
Light travels faster than sound
What percent of Earth's atmosphere does carbon dioxide make up?
1% (or less than 1%)
What do we call the gases that trap heat in Earth's atmosphere?
Greenhouse gases
What does it mean when nimbo/nimbus is part of a cloud's name?
It is carrying precipitation
What is a weather front?
Where two air masses meet
What two air masses are needed to form a tornado?
A cold,dry and a warm,humid
What layer of the atmosphere are we in right now?
Troposphere
Cold air is _______ dense so it __________.
more, sinks
Why does warm air hold more water than cold air?
Because it expands/takes up more space
What tool is used to measure atmosphere pressure?
A barometer
What kind of air does a hurricane need to survive and grow?
Warm, humid
What causes wind?
Differences in air pressure
Radiation transfers from the sun as what kind of waves?
Electromagnetic
The air is currently holding 11 grams of water for each cubic meter. It can hold a maximum of 20 grams. What is the absolute humidity?
11 g/cm^3
Name each of the 4 types of air masses and their characteristics.
Polar- cold
Tropical- warm
Maritime- humid
Continental- dry
What is thunder?
The sound of the air expanding around a lightning strike
In the morning when the air is 100% saturated, we can see two things. What are they?
Fog and dew