Science Test 5-12-23 Flashcards

1
Q

What are the two major ways Earth moves through space?

A

Roatation and Revolution

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2
Q

Define Rotation

A

the spinning of Earth on its axis

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3
Q

Define Revolution

A

is the movement of one object around another

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4
Q

What is an axis?

A

the imaginary line that passes through Earthś center and the North and South poles

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5
Q

What is an orbit?

A

Earthś path

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6
Q

What is a calendar?

A

a system of organizing time that defines the beginning, length, and divisions of a year

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7
Q

How many days are in a year?

A

365

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8
Q

How long does it take for the earth to revolve around the sun?

A

365.25

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9
Q

Why do we have leap year?

A

we have a leap year because the earth actually takes 365.25 days to revolve

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10
Q

Why do we have seasons?

A

Earths tilt

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11
Q

What is the difference between the June solstice, December solstice, March equinox, and September equinox?

A

June solstice in the Northern Hemisphere: summer; winter in Southern Hemisphere

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12
Q

How many days are in a leap year?

A

366

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13
Q

What month is the leap year day applied to?

A

February

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14
Q

How many hours does it take earth to rotate at once?

A

24 hours

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15
Q

Earthś orbit takes exactly how long to go around the sun?

A

365 1/4 days

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16
Q

Sunlight hits in most directly at the?

A

Eqautor