Page 104 - Social Studies 4

2. Fill in the blanks with suitable information given in the box.

water 13.8 billion Comets 4.54 billion diversification
a. The universe was formed around …………………..years ago.

b. The earth is…………………years old.
c. Plants and animals appeared first in …………….. .

d. ……………..brought the water on the earth first.
e. The………………. process is helping us to adjust in time and
environment.
3. Attempt the following tasks.

a. What happened after the ‘Big-Bang’?
b. What is a universe?

c. Why does the sun attract the materials around it?
d. How was the earth formed?

e. How were the mountains, rivers, oceans formed on the
earth?
4. Briefly explain.

i. The sun

ii. Diversification process

5. Project Work
Prepare a picture of solar system. Name the planets as well.

100 Megha's Integrated Social Studies - 4