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Question (21)

QN004410

Which is Earth's natural satellite?

(A) Venus
(B) Moon
(C) Mars
(D) Sun

Correct Answer: B

Explanation:

The Moon is Earth's natural satellite.

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Question (22)

QN004411

The Moon revolves around Earth in nearly

(A) 7 days
(B) 27 days
(C) 100 days
(D) 365 days

Correct Answer: B

Explanation:

The Moon takes about 27 days.

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Question (23)

QN004412

If the Moon takes nearly 27 days to complete one revolution around Earth, approximately how many revolutions will it complete in 54 days?

(A) 1
(B) 2
(C) 3
(D) 4

Correct Answer: B

Explanation:

54 ÷ 27 = 2 revolutions.

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Question (24)

QN004413

A satellite completes one revolution around Earth in 27 days. Approximately how many revolutions will it complete in 81 days?

(A) 2
(B) 3
(C) 4
(D) 5

Correct Answer: B

Explanation:

81 ÷ 27 = 3 revolutions.

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Question (25)

QN004414

Which of the following is an example of a natural satellite?

(A) Moon
(B) Space station
(C) Rocket
(D) Telescope

Correct Answer: A

Explanation:

The Moon is a natural satellite.

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Question (26)

QN004415

Asteroids are mainly found between the orbits of

(A) Earth and Mars
(B) Mars and Jupiter
(C) Jupiter and Saturn
(D) Saturn and Uranus

Correct Answer: B

Explanation:

Most asteroids lie in the asteroid belt between Mars and Jupiter.

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Question (27)

QN004416

A student observes a rocky object moving around the Sun between Mars and Jupiter. The object is most likely a

(A) Moon
(B) Comet
(C) Asteroid
(D) Galaxy

Correct Answer: C

Explanation:

Asteroids are found mainly in that region.

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Question (28)

QN004417

Which small Solar System object is often seen with a glowing tail when it approaches the Sun?

(A) Asteroid
(B) Comet
(C) Planet
(D) Satellite

Correct Answer: B

Explanation:

Comets develop tails near the Sun.

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Question (29)

QN004418

Why does a comet develop a visible tail near the Sun?

(A) It produces its own light
(B) Heat from the Sun causes material to escape from it
(C) Earth's atmosphere creates the tail
(D) Gravity increases its size

Correct Answer: B

Explanation:

Solar heat releases gas and dust, forming a tail.

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Question (30)

QN004419

Which of the following belongs to the Solar System?

(A) Sirius
(B) Asteroids
(C) Orion
(D) Pole Star

Correct Answer: B

Explanation:

Asteroids are Solar System objects.

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Question (21)

Which is Earth's natural satellite?

Explanation:

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Question (22)

The Moon revolves around Earth in nearly

Explanation:

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Question (23)

If the Moon takes nearly 27 days to complete one revolution around Earth, approximately how many revolutions will it complete in 54 days?

Explanation:

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Question (24)

A satellite completes one revolution around Earth in 27 days. Approximately how many revolutions will it complete in 81 days?

Explanation:

Link:

Question (25)

Which of the following is an example of a natural satellite?

Explanation:

Link:

Question (26)

Asteroids are mainly found between the orbits of

Explanation:

Link:

Question (27)

A student observes a rocky object moving around the Sun between Mars and Jupiter. The object is most likely a

Explanation:

Link:

Question (28)

Which small Solar System object is often seen with a glowing tail when it approaches the Sun?

Explanation:

Link:

Question (29)

Why does a comet develop a visible tail near the Sun?

Explanation:

Link:

Question (30)

Which of the following belongs to the Solar System?

Explanation:

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