Chapter 13 Earth, Moon, and Beyond Flashcards

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1
Q

an imaginary line that passes through the North and South Poles

A

axis

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2
Q

Earth travels in a path around the sun or ________.

A

revolves

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3
Q

The path that Earth takes as it revolves around the sun

A

orbit

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4
Q

an imaginary line going all the way around Earth halfway between the North and South Poles

A

Equator

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5
Q

Earth spins on its axis or _______.

A

rotates

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6
Q

the days when the daylight and darkness are equal

A

equinoxes

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7
Q

any natural body that revolve around the planet

A

moon

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8
Q

a low, bowl-shaped area on the surface of a planet or moon

A

crater

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9
Q

one of the shapes the moon seems to have as it orbits Earth

A

moon phase

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10
Q

An _______ occurs when one body in space blocks light from reaching another body in space.

A

eclipse

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11
Q

bending of light

A

refraction

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12
Q

a huge ball of very hot gases in space

A

star

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13
Q

A _____ ______ is made up of a star and all planets and other objects that revolve around that star.

A

solar system

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14
Q

a body that revolves around a star

A

planet

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15
Q

gas, dust, and group of stars including any objects orbiting the stars

A

galaxy

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16
Q

everything that exist-all the stars, planets, dust, gases, and energy

A

universe

17
Q

the star at the center of our solar system

A

sun

18
Q

the day when the amount of daylight is the greatest or the least

A

solstice

19
Q

when the moon is ______, more of it is visible from Earth each night

A

waxing

20
Q

when the moon is ______, less of it is visible from Earth each night

A

waning

21
Q

a collection of gas clouds that starts reacting chemically

A

protostar

22
Q

any body that orbits another

A

satellite

23
Q

a pattern of stars ( that is named after a religious or mythical object or animal)

A

constellation

24
Q

a huge giant cloud of hydrogen, helium, and tiny particles of dust

A

nebula