MEDIUM
8th CBSE
IMPORTANT
Earn 100

The footprints of Neil Armstrong on the moon are still intact. Do you know why?

Important Questions on Stars and the Solar System

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?
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
Describe in brief, the various functions of artificial satellites.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Put on your thinking cap>Q 8
Look at the picture of the phases of the moon and name them.
C:\Users\USER-DAY\Pictures\New folder\EL08S062_Chapter-17_Put on your thinking cap_8-que.png
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Extended learning>Q 1
Find out about the force of gravity of different planets and calculate on them the weight of an object that weighs 60 kg on earth.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>Extended learning>Q 2
Find out about Big Bang theory and what it tells about the universe.
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 17 - Stars and the Solar System>AT A GLANCE>Q 1

Complete the mind map given below.
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