Atmostphere
What gas makes up about 78% of Earth’s atmosphere?
Nitrogen
What mechanism transfers heat by warm air rising and cool air sinking?
Convection
What weather is commonly associated with high pressure systems?
Clear Weather
What causes Earth’s seasons?
Earth's tilted axis
How much water vapor is needed to saturate air at 20°C?
14 g/kg?
What layer contains the ozone layer?
Stratosphere
What mechanism of energy transfer can travel through space?
Radiation
Air moves from high pressure areas to areas of this.
Low Pressure
What occurs when day and night are nearly equal?
Equinox
What term describes how much sunlight a surface reflects?
Albedo
What is the lowest atmospheric layer where weather occurs?
How is most energy transferred in the upper atmosphere?
Radiation
What causes wind?
Air Pressure
What is the longest day of the year called?
Summer Solstice
Why do clouds reflect much sunlight back into space?
High Albedo
What atmospheric gas is most involved in weather processes?
Water Vapor
Which change of state releases heat energy?
Freezing
What cloud type is associated with thunderstorms?
Cumulonimbus
What is the shortest day of the year called?
Which factor does NOT strongly influence temperature?
Longitude
What instrument measures air pressure?
Barometer
What is the process of liquid water changing into water vapor?
Evaporation
What type of front forms when cold air pushes under warm air?
Cold Front
What season begins around March 21 in the Northern Hemisphere?
Spring
Why are Vancouver’s temperatures milder than Winnipeg’s? PULL UP A MAP!
Vancouver’s location near the Pacific Ocean