Page 106 - Genius Kidz Prudence Learning Sc-8

3. Match the columns.

Column A Column B
(a) Uranus (i) Satellite = 11
(b) Venus (ii) Shani

(c) Saturn (iii) Rotational period = 243 days
(d) Earth (iv) Blue planet
(e) Neptune (v) Orbital period = 84 years

4. Mark the statements as True /False .

(a) Mercury is the smallest planet.
(b) Celestial bodies are also called heavenly bodies.

(c) Pole star can be seen only in northern hemisphere.
(d) Asteroid belt is found between Mars and Jupiter.
(e) 12 constellations are called zodiac constellations.

5. Very short answer questions.

(a) Who was the first man to set foot in space?
(b) Who invented the first artificial satellite?
(c) Give the difference between rotational and orbital period a planet.

(d) What galaxy do we live in ?
(e) Differentiate between meteors and meteoretes. Name the

(i) Largest planet (ii) Blue planet
(iii) Planet fathest from earth (iv) Planet closest to sun
(v) Planet with rings (vi) Red planet

6. Short answer questions.

(a) What are planets?
(b) What is a comet?
(c) Who is an astronaut?

(d) What is the need of artificial satellites?

7. Long answer type questions.
(a) What is a solar system? Describe it in detail.
(b) List different constellations which are known by you.

(c) Write a note on :
(i) Asteroids (ii) Meteors (iii) Meteorites (iv) Natural satellite

(d) What factors are responsible for evolution and sustainability of life on earth?

106