10.3 Flashcards

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1
Q

inner planet

A

A planet between the sun and the asteroid belt.

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2
Q

outer planet

A

one of the five planets beyond the asteroids belt

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3
Q

asteroid belt

A

Region between mars and Jupiter where most asteroids are found

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4
Q

meteor

A

A chunk of rock from space that burns up as it travels through earth’s atmosphere

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5
Q

meteorite

A

A chunk of rock from space that strikes the surface of earth or the moon

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6
Q

comet

A

A dirty snowball orbiting the sun a mixture of ices, frozen gases, rock, and dust left over from the formation of the solar system

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7
Q

galaxy

A

A collection of billions of stars. our sun belongs to the milky way galaxy.

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8
Q

Insolation

A

The amount of the suns energy that reaches earth at a given time and place.

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9
Q

Weather

A

What the lower atmosphere is like at any given place and time

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10
Q

Nitrogen

A

Ninety-nine percent of the air we breath

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11
Q

Air pressure

A

The force put on a given area by the weight of the air above it

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12
Q

Troposphere

A

The layer of the atmosphere closest to the earths surface

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13
Q

Barometer

A

A device for measuring air pressure

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14
Q

Oxygen

A

Ninety-nine if the air we breath

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15
Q

Temperature

A

The degree that show hotness or coldness

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