Page 116 - SST Class 06

3. The solar system is the family of the:

(a) Sun (b) Moon (c) Planets
4. It is described as a heavenly body whose place among the stars is not fixed.
(a) Planet (b) Sun (c) Moon

5. Moon is ____________ from the Earth.
(a) 384,400 km (b) 384,200 km (c) 384,4000 km

B. Give one word/or name each of the following.
1. The heavenly body which receives its heat and light from the Sun and goes around it.
__________________
2. The attendant body to a planet. __________________
3. The Indian name of a planet. __________________

C. Fill in the blanks.
1. A __________________ is a specially shaped crystal.

2. Some lights travels in short, __________________ waves.
3. ________________ is scattered in all directions by the tiny molecules of air in the Earth’s
atmosphere.
4. __________________ is made of rock and is the only planet where water is liquid.

5. Uranus takes __________________ years to orbit the Sun and is the coldest planet, with
an average temperature of (–220°C).

6. The full Moon day is called __________________ in Hindi.
7. A __________________ may remain unseen when it next passes the Earth.

D. Answer the following questions.
1. What are known as celestial bodies?
2. How many planets are members of the solar system?

3. In which direction do planets revolve?
4. In which three respects are planets different from stars?
5. Why is the Earth called a unique planet?

6. Mention three features about the Moon’s surface.
7. Write about each member of the solar system.

Activity & ProjectActivity & ProjectActivity & ProjectActivity && ProjectProject & Project
Activity
Activity
How is mars likened to the Earth? Write a brief note.
[Hint : Scientists have found the atmosphere of Mars to be relatively moist. Recent
photograph through the Hubble Space Telescope indicate the presence of water on the
Martian surface]

Social Science-6 116