SCIENCE Flashcards

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1
Q

Why does the moon have craters

A

The moon has craters because of meteors and astroids hitting it over time

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2
Q

Does the earth have any craters on it

A

our atmosphere burns up most meteoroids before they reach the surface.So only little rocks hit it over time

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3
Q

What happens in 1609

A

Galileo Galilei used a telescope to observe the moon.

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4
Q

What happened in 1850

A

Astronomers took the first photographs of features of the moon.

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5
Q

What happened in 1959

A

Luna 2 (USSR) became the first space probe to reach the moon

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6
Q

What happened in 1964

A

Space probe Ranger 7 (USA) took the first close-up pictures of the moon.

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7
Q

What happened in 1966

A

Luna 9 (USSR) became the first space probe to make a soft landing on the moon

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8
Q

What happened in 1969

A

Apollo 11 (USA) carried three astronauts to and from the moon

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9
Q

What happened in 1969–1972

A

Apollo missions 12 and 14–17 (USA) successfully reached the moon

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10
Q

What happened in 2008

A

Chandrayaan-1 (India) discovered evidence of water and a large cave beneath the surface of the moon

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11
Q

What happened in 2013

A

Chang’e 3 (China) landed with a six-wheeled lunar rover, called Yutu,

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12
Q

Explain why both the time and position of sunrise and sunset are not the same every day.

A

The inclination of the Earth’s rotation axis

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13
Q

why is the South Pole is in darkness during the Southern Hemisphere’s winter.

A

Its because of the rotational axe of the earth relative to the sun.

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14
Q

What is a lunar moon

A

A month between a successive new moons

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15
Q

How does a quarter moon occur

A

A quarter moon occurs when the sun is parsley covered shading the moon

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16
Q

Why is the phase in which half the moon is visible called a quarter moon

A

Because only one side of the moon is shaded because half of it is covered by the sun

17
Q

Sometimes the moon is visible during the day.

(a)What phases of the moon would you be most likely to see during the day?

A

(A) all of them would be visible

18
Q

Sometimes the moon is visible during the day.

(b)Would it be possible to see a full moon during daylight hours? Explain your answer.

A

(B) No because the earth is covering half of it

19
Q

During which phase of the moon is it:

(a)between the sun and the Earth

A

(A) a new moon

20
Q

During which phase of the moon is it:

(b)on the opposite side of the Earth from the sun?

A

(B) It would be a full moon