The Moon Flashcards

1
Q

What causes the moon to move in an orbit around earth

A

Gravitational pull

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2
Q

What causes the phases of the moon, eclipse and tides

A

The changing relative positions of the moon,earth and sun

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3
Q

Phases

A

Different forms the moon takes in its appearance from Earth

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4
Q

New moon

A

When the moon is betw the earth and sun and can’t be seen

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5
Q

Waxing phases

A

More of the moons near side is lit each night

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6
Q

Waxing crescent

A

First thin slice of moon

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7
Q

First quarter

A

Half the lighted side of moon is visible

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8
Q

Waxing gibbous

A

More than one quarter is visible

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9
Q

Full moon

A

All the moons light side is visible

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10
Q

Waning phases

A

Less of the illuminated half of the moon is visible after full moon

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11
Q

Waning gibbous

A

More than one half a lit side of the moon is visible

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12
Q

Third quarter

A

Only half of the lit side is visible

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13
Q

Waning crescent

A

Last visible slice before new moon

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14
Q

Eclipse

A

When the earth or the moon casts a shadow on the other

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15
Q

Solar eclipse

A

When the moons shadow appears on earths surface

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16
Q

Lunar eclipse

A

When the moon moves into earths shadow

17
Q

Mare

A

Dark flat areas formed from lava 3-4 thousand yrs ago

18
Q

Crater

A

Large round pits caused by impacts of meteoroids

19
Q

Highlands

A

Oldest most highly cratered regions on the moon