Weather is created by which of the following?

Dark, puffy, tall clouds that produce thunderstorms.

A change in weather is created when...

The movement of the Earth around its own axis; approximately 24 hours long.

Weather that is cloudy with precipitation occurs with which type of pressure?

When water vapor changes to a liquid; drops form around dust, ash, pollen to form clouds.

Where on Earth is air pressure the greatest?

Earth's movement in orbit around the sun; approximately 365.25 days.

When air molecules move from HIGH pressure to LOW pressure, what is created?

Heat transfer based on density differences in fluids. Hot, less dense material rises, cools, and then sinks.

Isobars close to each other on a map are a sign of what weather event

Imaginary lines that run parallel to the equator, marking locations North and South.

Which front forms when lighter, warmer air advances over heavier, colder air?

What is a body of air with uniform temperature, pressure and humidity?

Which front creates weather that is cloudy, with rain, snow, or thunderstorms?

What is the name for an instrument that measures air pressure?

Which is the usual order for a water molecule to follow in the water cycle?

What is the term for when molecules of water gain enough energy to become a gas?

What are the three reasons for seasons?

What is the term for heat transfer that happens due to contact; heat moves from warmer to cooler.

When the Earth is tilted toward the sun, that hemisphere is experiencing which season?

What is the term for boundary between air masses?

Which day of the year has the fewest number of daylight hours?

Which city would experience the coldest temperatures in February?

What is the term for the weight of the atmosphere pressing down on Earth?

How long does it take for the Earth to revolve around the Sun?

What is the term for the imaginary lines that run perpendicular to the equator, measuring distance east and west of the Prime Meridian?

Why doesn't all of the Earth receive the same amount of solar radiation?

What term describes low, flat, gray clouds? An example of this type of cloud is fog.

How do warm air molecules move?

What term means to connect points of equal air pressure on a weather map?

What would happen if the Earth was not tilted?

What is the term for when a cold and warm front meet but neither is powerful enough to move the other.

Which part of the Earth receives the most intense, direct sunlight all year long?