Science 11/24/24 Flashcards

1
Q

Solar Eclipses

A

The Moon moves between the Earth and the Sun and blocks the sunlight from hitting a small portion of the Earth’s surface. Solar eclipses occur at the New Moon phase.

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2
Q

Lunar Eclipses

A

The Earth blocks sunlight from hitting the Moon’s surface. Lunar eclipses occur at the Full Moon phase.

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3
Q

Draw the moon phase (on the paper)

New moon

A

All black

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4
Q

Draw the moon phase (on the paper)

Waxing cresent

A

Cresent on the right side of the moon

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5
Q

Draw the moon phase (on the paper)

First quarter

A

Half the moon is lit. right side is lit

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6
Q

Draw the moon phase (on the paper)

Waxing Gibbous

A

smaller, lummitated circle in the moon. Left side of the moon is not lumminated and in a cesent shape and the rest is lumminated.

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7
Q

Draw the moon phase (on the paper)

Full moon

A

Fully lumminated

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8
Q

Draw the moon phase (on the paper)

Waning Gibbous

A

Right side on the moon is not lumminated and in a cresent shape while the rest is lumminated

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9
Q

Draw the moon phase (on the paper)

Last quarter

A

Half of the moon is lit. left side is lit

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10
Q

Draw the moon phase (on the paper)

Waning crescent

A

Left side of the moon is in a cresecnt shape and the rest is not lumminated

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11
Q

How long does it take for the moon to complete one revlution around the earth

A

27.3 days

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12
Q

How long does it take the moon to complete a full cycle of itt phases

A

29.5

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13
Q

Why does it take 2 additional day for the moon to complete its phases

A

As the moon moves around the earth, the earth moves around the sun.

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14
Q

How long does it take to complete a cycle of the moons phases

A

1 month

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15
Q

Why does the same side of the moon always face the earth

A

the revolution and rotation are the same

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16
Q

Draw the pases of the moon in order

A

Answers on the paper

17
Q

The moon revolves around the earth once every _____ days

A

27.3

18
Q

The moon rotates on its axis once every _____ days

A

27.3

19
Q

Waxing means that the illuminated portion gets _____- every night

A

Bigger

20
Q

Waning means that the illuminated portion gets _____- every night

A

Smaller

21
Q

When does a luner eclipse happen

A

When the earth passes between the Sun and Moon causing the moon to be blocked out by the shadow of the earth.

22
Q

Luner eclipses only happen at what phase

A

Full moon phase

23
Q

When does a solar eclipse happen

A

When the moon passes directly between the sun and earth causing the sun to be blocked

24
Q

A solar eclipse only happens during what phase

A

New moon phase

25
Q

Why dont eclipses happen once a month

A

Because the moons obit is slightly tilted

26
Q

Define Penumbra

A

Area of partial eclipse

27
Q

Define Umbra

A

Area of total eclipse

28
Q

Why do tides occur

A

Because the gravitational pull of the moon and sun

29
Q

How many high and low tides each day

A

2 high and low each day

30
Q

Spring tides occur during what moon phase

A

New and full moon

31
Q

When do spring tides occur

A

When the earth sun and moon are lined up causing higher then normal tides

32
Q

When do Neap tides occur

A

When the moon acts on its own causing less severe high tides.

33
Q

During what moon phase do Neap tides occur

A

First and last quarter

34
Q
A