an elaborate description of our solar system.appropriate for students of class 8

1. OUR PLANET - EARTH BY : ABHA ARORA

2. OUR SOLAR SYSTEM

3. THIS IS OUR UNIVERSE

5. SUN IS THE NEAREST STAR…….. IT IS 150 MILLION KILOMETERS AWAY.

17. This hot cloud of gases spun around for millions of years. As it spun , it slowly became cooler. And as it cooled , it hardened slightly and it surface became cooler.

19. HARDENING OF UPPER LAYER OF EARTH

20. Its surface began to wrinkle like a dried plum. The wrinkles became mountain ranges. Water from the rain settled in the low lying places to form oceans , seas , rivers and lakes

25. Oceanic and Continental Crust

33. The molten material thrown out is called Lava…while the hole in the center of the volcano is called a Crater.

34. THE END