MEDIUM
8th CBSE
IMPORTANT
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What makes the Earth a unique planet?

Important Questions on Stars and the Solar System

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q F
If you go to the museum and see a large ‘space rock’ in an enclosure, with a signboard saying that it fell from space, is it a meteor or a meteorite?
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G
What is a light-year? The distance between the earth and the sun is 150×106 km. Express this distance in a light year.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G

Differentiate between the planet and star.

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G

Differentiate between the Moon and asteroid.

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G

Differentiate between the comet and meteorite.

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G

Differentiate between the artificial and natural satellites.

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G
An earth-sized planet is found to be 9 light-years away from earth. If you are travelling in a spaceship with speed 22 km/s, then how much time will you take to reach that plant?
HARD
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 17 - Stars and the Solar System>ASSESSMENT ZONE>Q G
Explain different phases of the Moon with the help of a neat diagram?