The Sun And Our Atmosphere Flashcards

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0
Q

Heat comes from…

A

Our sun.

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1
Q

Heat is a major factor in…

A

Our weather.

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2
Q

How is air temperature measured?

A

Using a thermometer.

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3
Q

How does a thermometer work?

A

The liquids in the thermometer expand when they are heated and shrink when they are cooled.

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4
Q

The Earth is heated by what?

A

The sun’s rays.

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5
Q

The air above the Earth is warmed by what?

A

Earth’s surface.

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6
Q

When warm air rises what happens?

A

Low pressure is applied.

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7
Q

When cooler air sinks what happens?

A

High pressure is applied.

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8
Q

What is wind?

A

The horizontal movement of air from an area of high pressure to an area of low pressure.

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9
Q

What are winds caused by?

A

Differences in air pressure.

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10
Q

Where do global winds blow?

A

From a specific direction over a long distances

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11
Q

Where do warm and cold air rise and sink?

A

Warm air: rises at the equator

Cold Air: sinks at the poles.

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12
Q

What is the convection current?

A

When air blows from the equator to the poles and from the poles to the equator.

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