1st Class Science Solar System The Stars

The Stars

Category : 1st Class

  *    The Stars

  • They are balls of gases, consisting mainly of hydrogen and helium.
  • They glow and generate heat.
  • They are celestial or heavenly bodies like Sun.
  • There are countless numbers of stars in the universe.
  • They can live for billions of years.
  • Larger stars have shorter life.
  • Bigger stars burn hotter and faster than smaller ones.
  • Stars in the group of more than two are called constellations.
  • Sun is a star, which is nearest to us.
  • Stars are seen at night except the Sun.

 

Let us see the pictures of star:

 

common.jpg

 

  Which one of the following is the true statement?

(a) The Sun is not a star                                

(b) The Sun is a star

(c) Stars can be counted                              

(d) Stars are not heavenly bodies,

 

Answer: (b)

Explanation

Option (B} is correct, because this is an established fact. Therefore, rest of the options is incorrect.

 

 

The stars are balls of__________.

(a) Solids                                             

(b) Plastics

(c) Liquids                                           

(d) Gases

 

Answer: (d)

Explanation

Option (D) is correct, because stars .are made up of gases, Therefore, rest of the options is incorrect.

 

 

you know.jpg

Moon is moving slowly away from the earth.

The Sunlight takes nearly eight minutes to reach the earth surface.

 

 

summary.jpg

The Sun, the Moon, the Planets and the Stars are celestial or heavenly bodies.

The Sun is the hot spherical star.

Sunlight is the ultimate source of energy.

There are 8 planets revolving around the Sun.

Stars are made up of gases.

Stars can produce heat and light of their own.

Sun is the only star to be seen during day time.

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