HARD
8th CBSE
IMPORTANT
Earn 100

What are artificial satellites? Name some artificial satellites launched by India.

Important Questions on Stars and the Solar System

EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 6

Astronauts might visit Mars one day. Why would they need to take their own air?

HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 7
Why is earth referred to as the ‘blue planet’?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 7

What are the three main layers of the earth?

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 7
What causes the formation of seasons on the earth?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 7
Why does the moon keep on changing its shape? Describe its various phases.
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Life Skill>Q 1
One should not look at the sun directly. Why?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>HOTS>Q 1
The footprints of Neil Armstrong on the moon are still intact. Do you know why?
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>HOTS>Q 2
If the speed of light is 3×108 m s-1 and the light from the sun takes about 8 minutes to reach the earth, what is the distance between the sun and earth?