Stars and the Solar System Test

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Stars and the Solar System Test - 27

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Weekly Quiz Competition

Question 1
1 / -0

The movement of Moon around Earth is called

A
Translation

B
Oscillation

C
Rotation

D
Revolution

Solution

Movement of moon of its own axis is called Rotation movement around the Sun is called Revolution.
Question 2
1 / -0

What is sun?

A
Star

B
Planet

C
Rock

D
Satellite

Solution

Sun is a star that has its own source of energy by means of fusion reaction of Hydrogen into Helium.
Question 3
1 / -0

Choose the correct option regarding the movement of Earth, Moon, and Sun.

A
Earth revolves around Moon, Moon revolves around Sun.

B
Sun and the Moon both revolve around Earth.

C
The moon revolves around Earth and Earth revolves around Sun.

D
Sun and Earth both revolve around Moon.

Solution

Sun is stationary and Earth while rotates on its axis also revolves around the Sun and the moon too spins on its axis but also revolves around the earth.
Question 4
1 / -0

Poles of Mars are covered by ___________.

A
Iron

B
Ice

C
Nitrogen

D
Dry ice

Solution

Mars' both poles consist primarily of water ice. Frozen carbon dioxide accumulates as a comparatively thin layer about one metre thick on the north cap in the northern winter, while the south cap has a permanent dry ice cover about 8 m thick.
Question 5
1 / -0

Light from the sun reaches the earth approximately in

A
5 s

B
50 s

C
500 s

D
0.5 s

Solution

Time taken by light to reach the earth from the sun is,
$$t= 8\ min\ 20\ s= 8 \times 60s + 20 s $$
$$= 480\ s+ 20\ s = 500\ s$$
Question 6
1 / -0

The group of small pieces of rock revolving around the sun between the orbits of Mars and Jupiter are called:

A
Meteorites

B
Asteroids

C
Meteors

D
Comets

Solution

Solar bodies of size about $${ 10 }^{ -3 }$$ times smaller than that of the Earth revolving around the Sun between Mass and Jupiter are known as Asteroids.
Question 7
1 / -0

The following planet is considered as Earths-twin

A
Mars

B
Venus

C
Mercury

D
Saturn

Solution

Venus is called Earth's twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material). They are also neighboring planets. However, Venus and Earth are also very different. Venus has an atmosphere that is about 100 times thicker than Earth's and has surface temperatures that are extremely hot. Venus does not have life or water oceans like Earth does. Venus also rotates backwards compared to Earth and the other planets.
Question 8
1 / -0

Asteroids are

A
Small broken pieces of planets

B
Shooting stars

C
Found in a belt between Earth and Venus

D
None of these

Solution

Asteroids are a group of rock pieces forming a belt moving around the sun in between Mars and Jupiter. They are believed to be the remains of a large planet that collided with each other during the expansion of the solar system.
Question 9
1 / -0

The relative positions of the stars in the night sky

A
are absolutely fixed and therefore we can name constellations with certainty.

B
change appreciably over about four thousand years, which is why the ancient. Egyptians named different constellations than those of today

C
are changing, but very slowly such that appreciable change cannot be observed even over several centuries or even several thousand years.

D
appear to change because the sun moves among them over the course of a year.

Solution

Everything in nature tries to be at its minimum potential energy. Planetary objects stay in their places due to their gravitational potential energy, they tend to stay at a distance where its minimum
Question 10
1 / -0

Which of the following is not a member of the solar system?

A
Artificial Satellite

B
Shooting star

C
Sun

D
Asteroids

Solution

Artificial satellite is a man-made object sent into the space and thus it is not a member of the solar system. Whereas shooting star, sun and asteroids are natural objects and so are the member of solar system.

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 27

Result

Stars and the Solar System Test - 27

Score

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Rank

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SHARING IS CARING

Question 1

Translation

Oscillation

Rotation

Revolution

Solution

Question 2

Star

Planet

Rock

Satellite

Solution

Question 3

Earth revolves around Moon, Moon revolves around Sun.

Sun and the Moon both revolve around Earth.

The moon revolves around Earth and Earth revolves around Sun.

Sun and Earth both revolve around Moon.

Solution

Question 4

Iron

Ice

Nitrogen

Dry ice

Solution

Question 5

5 s

50 s

500 s

0.5 s

Solution

Question 6

Meteorites

Asteroids

Meteors

Comets

Solution

Question 7

Mars

Venus

Mercury

Saturn

Solution

Question 8

Small broken pieces of planets

Shooting stars

Found in a belt between Earth and Venus

None of these

Solution

Question 9

are absolutely fixed and therefore we can name constellations with certainty.

change appreciably over about four thousand years, which is why the ancient. Egyptians named different constellations than those of today

are changing, but very slowly such that appreciable change cannot be observed even over several centuries or even several thousand years.

appear to change because the sun moves among them over the course of a year.

Solution

Question 10

Artificial Satellite

Shooting star

Sun

Asteroids

Solution

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