The Weather Flashcards

1
Q

What is weather?

A

The condition of the atmosphere at a specific place and time.

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2
Q

What two air qualities create almost all weather?

A

Air temperature and air density

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3
Q

What is humidity?

A

The amount of moisture held in the air.

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4
Q

Which air temperature is less dense and rises upward?

A

Warm air

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5
Q

Which air temperature is more dense and sinks downward?

A

Cool air

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6
Q

What two ingredients form clouds?

A

Water and particles in the air

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7
Q

Which air temperature can hold more moisture before it condenses and falls as rain?

A

Warm air

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8
Q

What causes some air to warmer or colder than other air?

A

Uneven heating from the Sun

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9
Q

What are the 3 forms of clouds?

A

Cumulus, Stratus, and Cirrus

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10
Q

How do rain storms happen?

A

Warm and cold air combine, causing air moisture to condense and fall as rain.

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11
Q

How does wind happen?

A

Warm air rises, and cool air rushes in to take its place

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12
Q

What is a thunderstorm cloud called?

A

A cumulonimbus (Cumulus cloud + nimbus (“storm”)

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13
Q

What causes thunder?

A

Lightning expands the air so fast that it causes a sonic boom.

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