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0
Q

what happens to the liquid in a thermometer when the temperature rises

A

the liquid expands

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1
Q

name two conditions scientists measure when they observe weather

A

temperature and wind speed

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2
Q

how can scientists use a barometer to predict weather patterns

A

can watch for air pressure changes which may signal a front is coming

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3
Q

how does a radiosonde travel to and from the upper atmosphere

A

goes up like a balloon, falls back like a parachute

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4
Q

why are satellites useful for tracking hurricanes

A

hurricanes form over the ocean, so it is difficult to track from ground

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5
Q

what are four instruments that scientists use to measure conditions in the lower atmosphere

A

barometer, anemometer, wind vane, thermometer

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