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

18
Q

The moon rotates on its axis once every _____ days

19
Q

Waxing means that the illuminated portion gets _____- every night

20
Q

Waning means that the illuminated portion gets _____- every night

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
Why dont eclipses happen once a month
Because the moons obit is slightly tilted
26
Define Penumbra
Area of partial eclipse
27
Define Umbra
Area of total eclipse
28
Why do tides occur
Because the gravitational pull of the moon and sun
29
How many high and low tides each day
2 high and low each day
30
Spring tides occur during what moon phase
New and full moon
31
When do spring tides occur
When the earth sun and moon are lined up causing higher then normal tides
32
When do Neap tides occur
When the moon acts on its own causing less severe high tides.
33
During what moon phase do Neap tides occur
First and last quarter
34