Weather Influences

Weather Influences

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Fun Facts

These facts will help understand what influences weather.

Water

Air

Air can be warmed or cooled by the surface below it. Warm air rises and cool air sinks.

Thunder

Thunder is caused by the rapid expansion of the air surrounding the path of a lightning bolt. ... As lightning connects to the ground from the clouds, a second stroke of lightning will return from the ground to the clouds, following the same channel as the first strike.

Lighting

Lighting is the most dangerous part of a thunder storm.

Wind

Winds can bring different weather to a region.

5 Elements of weather

Temperature, humidity, precipitation, air pressure, wind, visibility.

Pressure

High pressure = cold air

Low pressure = warm air

Trade Winds

Trade winds brings cool air to warmer equatorial regions.

Jet stream

So, what are two ways jet stream affect weather? Jet streams affect temperatures because they can bring cold air down to warmer places and warmer air to colder places.

Multiple Choice

What are two ways jet streams affect weather?

• Brings cold air to warmer places and vice versa.

• They UPS the air

• Jet streams send emails to the earth to let it know cold air is coming

• Jet streams create ice and Juice for the world.

A barometer measure wind speeds

Multiple Choice

What's used to measure wind speeds?

• Telescope

• Milk Carton

• Barometer

• PS5

Low pressure vs High pressure

In a low pressure system, air moves upward.

In a high pressure system, air moves downward.

Equator : The warm zone

Global wind patterns occur as, due to temperature differences, air sinks at the poles and rises at the equator where its warm.

Multiple Choice

At the equator warm air ......

• Rises

• Enters email address

• sinks

• Do back flips

Multiple Choice

Which type of pressure system: air is sinking, creating sunny skies

• High Pressure
• Low Pressure

Multiple Choice

Which type of pressure system: air is rising, creating clouds

• High Pressure
• Low Pressure

Multiple Choice

What causes your ears to pop on an airplane?

• a change in humidity

• a change in temperature

• a change in direction

• a change in altitude

Multiple Choice

A ______ pressure system usually brings clouds and rain.

• high

• low

Multiple Choice

On a weather map what does a capital letter H stand for?

• An area of high air pressure

• An area of low pressure

Multiple Select

When air moves from high to low pressure we call that

• Wind

• Wind

• Wind

• Wind

Multiple Choice

Air flows from high to low pressure.

• True

• False

Multiple Choice

The force of air pushing on an object is called

• humidity

• wind

• air pressure

Multiple Choice

A measurement of how hot or cold something is.

• Humidity

• Temperature

• Weather

Multiple Choice

Weather is

• a description of the short-term conditions of the atmosphere at a particular time and place.

• something no one ever talks about.