What is a front?
A boundary between two air masses.
What is an air mass?
Large area of air with the same temperature and moisture.
What subatomic particle tells an element’s chemical reactivity?
Valence electron
What is convection?
Where warm stuff rises and cold sinks
This map can be used to show the ______.
Weather
What weather is associated with a cold front?
Cold dry air
What type of weather comes with a High pressure system?
Happy! Calm, dry, Sunny
What does Newton’s first law of motion state?
Inertia: Object at rest stays at rest and object in motion stays in motion until an outside force acts on it.
Why does warm air rise?
It is less dense
Which city is having rainy weather?
Los Angeles
Which direction is this front moving and why?
South, towards the equator because the “icicles” are pointing that way.
What type of weather comes with a low pressure system?
Lousy! Coudy, rainy, windy
How many elements are in C2HCl4O?
4
A seabreeze occurs during the ____(day,night) and brings ____(warm/cool) air from the ocean to the land.
Day, cool
Which city is going to get colder temperatures in the next few days?
New Orleans
What does this symbol show?
Stationary Front
What is happening to the air masses during a High pressure system?
Dense air sinks and dries out
How many neutrons does this element have?
22
What causes convection for the earth?
The sun
What type of weather is Charleston having?
Lousy! Cloudy, rainy, windy
Fronts are named for the air that is _______ them. (north, south, behind, front)
Behind
What is happening to the air masses during a LOW pressure system?
Less dense air rises and condenses into clouds.
How many atoms are in 2H(SO4)2
22
Because of convection warm ocean currents flow away from the _____and cold ocean currents flow toward the _____. *same answer for both*
Equator
What causes a stationary front? Which direction is the stationary front moving?
When a cold front meets a warm front.
None, it’s stationary