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Exam 1 Pg 1-65 Energy > Exsam 7 > Flashcards

Exsam 7 Flashcards

0
Q

Which region of the atmosphere is farthest from the earth?

A

Thermosphere

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1
Q

Which region of the atmosphere is closest to the earth?

A

Troposphere

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2
Q

Which region of the atmosphere is the warmest?

A

Thermosphere

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3
Q

The ionosphere contains?

A

negatively and positively charges ions.

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4
Q

The ionosphere bends?

A

Radio waves back towards the earth.

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5
Q

The Van Allen belt is?

A

Produced by the earths magnetic fields.

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6
Q

The material on the surface of the moon is similar to?

A

Basalt

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7
Q

If the moons atmosphere were similar to the earths stars bear the moon would appear?

A

Red

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8
Q

The shape of the magnetic fields around the earth is influenced by the?

A

Solar wind

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9
Q

All objects in the the universe give off?

A

Radio waves

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10
Q

Scientist now believe that atoms are made up of smaller, elementary particles called?

A

Quarks

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11
Q

By using enzymes scientist can remove and substitute sections of?

A

DNA

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12
Q

Streams of protons and electrons moving through space from the sun?

A

Solar wind

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13
Q

Unexplained lights which appear in the night sky?

A

Aurora borealis

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14
Q

Instrument which measures radiation?

A

Geiger counter

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15
Q

Unknown objects that travel at great speeds outside out galaxy?

A

Quasars

16
Q

Space objects which emit regularly paces radio signals?

A

Pulsars

17
Q

An instrument used to detect and record radio wave emitted from objects in space.

A

Radio telescope

18
Q

The study of quasars and pulsars?

A

Astrophysics

19
Q

Charged particles that possibly originate from exploding stars?

A

Cosmos rays

20
Q

Focuses a beam of high energy sound waves on an object to show differences in density and viscosity in the body?

A

Ultrasound microscope

21
Q

The removal of an electron from an atom by high energy sun rays?

A

Photo emission

Exam 1 Pg 1-65 Energy (6 decks)

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