Tag: the earth's structure

Questions Related to the earth's structure

_____ part on the globe is sea. 

  1. Red

  2. Green

  3. Blue

  4. White


Correct Option: C
Explanation:

A 3-dimensional model of the Earth is called globe. We cannot see the Earth all of it at once as it is so large. So, globe helps us to see what the whole Earth looks like. The blue part on the globe represents sea. Water covers 71% part of the Earth. That's why, our earth is also called "blue planet".

Which one of the following stars is nearest to the Earth?

  1. Polaris

  2. Alpha Centauri

  3. Sun

  4. Sirius


Correct Option: C

State whether the sentence is true (T) or false(F).
The earth is the third-largest planet is the solar system.

  1. True

  2. False


Correct Option: B
Explanation:
  • Planet Sizes rank wise from biggest to smallest (radii given)
  • Jupiter (69,911 km / 43,441 miles) – 1,120% the size of Earth
  • Saturn (58,232 km / 36,184 miles) – 945% the size of Earth
  • Uranus (25,362 km / 15,759 miles) – 400% the size of Earth
  • Neptune (24,622 km / 15,299 miles) – 388% the size of Earth
  • Earth (6,371 km / 3,959 miles)
  • Venus (6,052 km / 3,761 miles) – 95% the size of Earth
  • Mars (3,390 km / 2,460 miles) – 53% the size of Earth
  • Mercury (2,440 km / 1,516 miles) – 38% the size of Earth