Last updated on February 6th, 2024 at 12:44 am
Chhattisgarh Board Class 8 Science Chapter 1 Solution Textbook question and answers as well as extra question and answers from the chapter
Fill in the blanks.
a) Group of stars forming a particular shape is called _______________.[constellation]
b) The heavenly body which revolve round any planet is called _______.[satellite]
c) ___________ is the coldest planet. [Neptune ]
d) The ___________ star seems to be fixed at the north direction.[Pole ]
e) The shape of the _______________ constellation is like a hunter.[Orion ]
Choose the correct alternative.
1. The planet closest to the Sun is :-
(a) Venus (b) Mercury (c) Jupiter (d) Earth
(b) Mercury
2. Asteroids are found in between these planets:-
(a) Mars and Jupiter (b) Saturn and Jupiter
(c) Venus and Jupiter (d) Earth and Mars
(a) Mars and Jupiter
3. This planet does not have any natural satellite:-
(a) Mars (b) Uranus (c) Mercury (d) Neptune
(c) Mercury
4. This is not a member of the solar system:-
(a) asteroids (b) planets (c) satellites (d) constellations
(d) constellations
5. This is not a constellation:-
(a) Ursa Major (b) Ursa Minor (c) Orion (d) Hailey
(d) Hailey
Answer the following questions:-
1. Why do we find the Sun to be the biggest and the brightest star?
The Sun appears to be the biggest and brightest star because it is the closest star to Earth.
2. Why does the Pole Star appear to be stationary?
The Pole Star, or Polaris, appears to be stationary because it is located almost directly above the Earth’s North Pole.
3. How will you recognize the Pole Star?
The Pole Star, or Polaris, can be recognized by its location almost directly above the Earth’s North Pole.
4. Write the names of the planets as per their increasing distance from the Sun.
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
5. Recognize the planet according to the information given:-
a) The biggest planet: Jupiter
b) The planet which has life: Earth
c) The brightest planet: Venus
d) The red planet: Mars
e) The first planet discovered with the telescope: Uranus
f) The planet with three rings: Saturn
g) The planet with eight satellites: Neptune
