Science Quiz 24, Chapter 9, pp. 261-266 Flashcards

1
Q

A long line of thunderstorms, usually along a cold front, is called a ____

A

squall line

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2
Q

What is the most powerful type of thunderstorm?

A

supercell

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3
Q

A stream of negative charge that travels down the path of a previous lightning strike is a ____

A

dart leader

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4
Q

The upward flow of positive charge that forms the brilliant flash of a lightning bolt is the ___

A

return stroke

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5
Q

What term describes air that is warm near the ground but very cold at higher altitudes?

A

unstable

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6
Q

What is the first stage of a thunderstorm?

A

cumulus stage

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7
Q

What is the final stage of a thunderstorm?

A

dissipating stage

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8
Q

What phenomenon occurs when heat from lightning causes the air to expand explosively, forming a shock wave of sound?

A

thunder

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9
Q

What is an abrupt discharge of electricity through the air that produces a quick flash of bright light?

A

lightning

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10
Q

What is the general term for concentrated blasts of cool wind that form during a thunderstorm?

A

downbursts

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