The movement of the Earth on its axis is called

(a)

Revolution

(b)

Seasons

(c)

Rotation

(d)

Circulation

The Tropic of Capricorn faces the Sun directly on

(a)

March 21

(b)

June 21

(c)

September 23

(d)

December 22

The galaxy in which our solar system is found is

(a)

Andromeda

(b)

Magellanic clouds

(c)

Milky Way

(d)

Starburst

The only celestial body where man has successfully landed

(a)

Mars

(b)

Moon

(c)

Mercury

(d)

Venus

Which of the following planets can float on water?

(a)

Jupiter

(b)

Saturn

(c)

Uranus

(d)

Neptune

1. Venus rotates from east to west.
2. The Tropic of Cancer faces the Sun on June 21.
3. Mars has rings around it.
i) 1 and 2
ii) 2 and 3
iii) 1, 2 and 3
iv) 2 only

(a)

1 and 2

(b)

2 and 3

(c)

1,2 and 3

(d)

2 only

Statement I: Earth is called a watery planet.
Statement II: The rotation of the Earth causes seasons.
Which of the statement(s) is/are true?
i) I is true; II is wrong
ii) I is wrong, II is true
iii) Both the statements are true
iv) Statements I and II are wrong

(a)

I is true; II is wrong

(b)

I is wrong; II is true

(c)

Both the statements are true

(d)

Statements I and II are wrong.

The solar system is believed to have formed about ___________billion years ago

(a)

3

(b)

4.5

(c)

3.5

(d)

5

_______________ is the centre of the solar system.

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Sun

The word planet means ___________ .

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Wanderer

There are ___________ planets in the solar system

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eight

The four planets nearer to the Sun are called __________ Planets

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Inner or Terrestrial

The smallest planet is____________

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Mercury

The planet ________ is called Earth's twin

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Venus

The distance between the Sun and the Earth is about___________

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150 Million kilometers

Why is Uranus called as the somersaulting planet?

The surface of the moon has many craters.

The velocity of Earth’s rotation is zero at poles.

Distinguish between inner and outer planets.

What are the effects of rotation and revolution?

Explain the characteristics of the various spheres of the Earth.