Chapters 16-18 Flashcards

1
Q

Describe Robert Boyle’s experiment that proved what Galileo believed, that “all bodies fall at the same speed in a vacuum.”

A

Boyle placed a feather and a lump of lead in a glass cylinder and pumped all the air out. When he turned the glass cylinder upside down, bot the feather and lead fell side by side.

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2
Q

first successful flight in a motor-powered aircraft (name of persons)

A

Wright brothers

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3
Q

How did Torricelli make (invent) the first barometer?

A

He filled a long glass tube closed at one end and open at the other end, and up-ended the tube in a dish of mercury. When he removed his finger, the mercury partially drained to a height of approximately 30 inches - the first barometer.

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4
Q

liquid element used in barometers that is 13.6 times more dense than water

A

mercury

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5
Q

built the first hot air baloon

A

the Montgolfiers

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6
Q

invented the Altimeter

A

Blaies Pascal

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7
Q

air pressure at sea level in pounds per square inch (PSI)

A

14.7

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8
Q

designed, built, and flew the first hydrogen-filled balloon

A

Professor Jacques Charles

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9
Q

Name five of Richard E. Byrd’s accomplishments:

A

Graduated from U.S. Naval Academy

Flew over both poles

Established a scientific base in Antarctica named Little America

Wintered 5 months alone in a hut south of Little America by himself

Made a trip around the world by himself at age 12

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10
Q

If a barometer at sea level measures 30 inches of mercury, and is take to a height of 18,500 ft. (3.5 miles) above sea level, the same barometer measures 15 inches of mercury. What does this mean?

A

Half of the atmosphere is below 18,500 feet.

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11
Q

built the first human glider

A

Otto Lilienthal

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12
Q

first person to study heavier-than-air flight

A

Leonardo da Vinci

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13
Q

invented an improved air pump that opened many new fields in science

A

Robert Boyle

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