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Science 8 > Planets > Flashcards

Planets Flashcards

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1
Q

Nebula

A

A cloud of dust and/or gas in space

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2
Q

Solar Nebula

A

Flattened disk of gas and/or dust in space

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3
Q

Nuclear Fusion

A

When two different nuclei combine to make a different atomic number

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4
Q

Sunspot

A

Areas around the sun that are darker then others

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5
Q

Terrestrial planets

A

Planets made up of mostly rock and/or metal

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6
Q

Prograde Rotation

A

Rotating the same as the Sun

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7
Q

Retrograde rotation

A

Rotating the opposite position of the sun

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8
Q

Gas Giant

A

A large planet that has low density

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9
Q

Satellite

A

An object rotating around a planet to collect information

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10
Q

New moon

A

When the moon is invisible to earth

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11
Q

Waxing crescent

A

Moon’s first form

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12
Q

1st quarter moon

A

When viewed from Earth is a half moon

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13
Q

Waxing Gibbous

A

The moon form that is past 3rd quarter but before full moon

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14
Q

Full Moon

A

When you can see the entire moon as a sphere

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15
Q

Waning Gibbous

A

The moon gets smaller until 3rd quarter moon

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16
Q

Last Quarter Moon

A

The moon half lit by sunlit and half hidden by its own shadow

17
Q

Solar Eclipse

A

When the earth is in a shadow because the moon engulfs the sun

18
Q

Lunar Ecplise

A

When the moon is hidden in the shadow of the earth

19
Q

Comet

A

a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun

20
Q

Asteroid

A

A rock orbiting the sun

21
Q

Asteroid belt

A

A torus shaped thing filled of asteroids

22
Q

Meteoroid

A

A small rocky irregular object

23
Q

Meteorite

A

A piece of a meteor that survives Earth’s atmosphere

24
Q

Meteor

A

A small body of matter from outer space in the Earth’s atmosphere

Science 8 (4 decks)

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