Samacheer Kalvi solutions for Social Science - Term 1 [English] Class 6 TN Board chapter 2.1 - The Universe and Solar System [Latest edition]

The Universe was formed after ______ explosion.

____________ is the unit used to measure the distance between two celestial bodies.

______ is the centre of the solar system.

The word planet means ____________.

______ planet has many natural satellites.

India’s first-ever mission to the moon is ______.

Earth is inclined by ______ degrees.

The Equator faces the Sun directly on ______ and ______.

At the time of Perihelion, the Earth is ______ to the Sun.

The line which divides day and night on the Earth’s surface is ______.

The movement of the Earth on its axis is called.

The Tropic of Capricorn faces the Sun directly on.

The galaxy in which our solar system is found is.

The only celestial body where man has successfully landed.

Which of the following planets can float on water?

Choose the odd one out.

Choose the odd one out.

Choose the odd one out.

Choose the odd one out.

Choose the odd one out.

Match the following

Consider the following statements

1. Venus rotates from east to west.
2. The Tropic of Cancer faces the Sun on June 21.
3. Mars has rings around it.
   Choose the correct answer using the codes given below.

Which of the statement(s) is/are true?

Statement I: Earth is called a watery planet.

Statement II: The rotation of the Earth causes seasons.

Cluster of stars.

The nearest galaxy to the solar system.

The brightest planet.

The living sphere.

The year which has 366 days.

Name the inner planets.

Pluto is no longer a planet. Reason out.

What is perihelion?

How many times in a year would you find the Sun overhead if you lived on 20°N Latitude?

Which celestial body shares its orbit with others?

Give an example on the celestial body shares its orbit with others?

Why is Uranus called the somersaulting planet?

The surface of the moon has many craters.

The velocity of the 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.

Study the picture and answer the given questions.

1. Which is the closest planet to the Sun?
2. Which is the largest planet?
3. Which is the farthest planet from the Sun?
4. Which is the second smallest planet?

Look at the picture and answer the questions given below.

1. Identify the planet.
2. What is the colour of the planet?
3. Why is it of this colour? 

Across

2. A dwarf planet
3. Equal days and nights
7. I am a gas found in the Sun
8. I appear once in 76 years.

Down

1. I am the morning star
2. India’s first moon mission.
4. I have two natural satellites.
5. I am the farthest planet.
6. An imaginary line passing through the centre of the Earth.