Core and crust

Internal Processes and External processes.

Atmosphere and Biosphere.

Delta and Estuar.

Weather and climate

Land breeze and sea breeze

Isobar and Isotherm.

Hominid and Hominins
(a) Who are Hominids?
(b) Who was the earliest human ancestor to make tools in Africa?
(c) How are the modern humans known?
(d) Name anyone species of this tribe.

Features of Egyptian Civilization:
1. Who built the pyramids and why?
2. What is the process of mummification?
3. What is the belief system of ancient Egyptians?
4. What is the importance of great sphinx?

Hero Stones:
(a) What was the common practice in a pastoral society?
(b) Who plundered the cattle wealth of enemies?
(c) How were the dead warriors remembered?
(d) Which Tamil text describes the procedures for erecting hero stones?

Zoroastrianism
(a) Who was the founder?
(b) Name the God he proclaimed.
(c) What did Zoroaster teach?
(d) What was the highest form of worship?

Write a brief note on the various spheres of the Earth.

What is Tsunami?

List out the features of Megalithic Burial types.

State the salient features of the Ziggurats.

Underground water is more common in limestone areas than surface run off. Why?

Glaciers do not form deep narrow valleys. Why?

What are isotherms?

How are clouds formed?

How are Cyclones classified?

Will you have the right to equality under dictatorship? What would be the attitude regarding public opinion in such a country?