REVISION WORK

BASE D ON THE FOLLOWING CHAPTERS:

1. COMPONENTS OF ENVIRONMENT

2. EARTH AND THE CHANGES ON IT

QUIZ-COMPETITION

WHY IS THE EARTH ALSO CALLED THE ‘BLUE PLANET’?

NAME THE FOUR MAJOR ELEMENTS OF THE ENVIRONMENT.

WHAT IS ‘BIODIVERSITY’?

EXPLAIN TWO WAYS IN WHICH HUMAN ARE DISTURBING THE NATURAL ENVIORMENT.

WHAT DO YOU MEAN BY SIMA AND SIAL?

QUIZ-COMPETITION

WHAT IS WEATHERING?

WHAT IS HUMUS?

WHAT ARE THE MAJOR SOIL TYPES FOUND IN INDIA ?

WHAT IS RESIDUAL SOIL ?

WHAT DO YOU MEAN BY DENUDATION ?

HOME WORK

PREPARE FOR REVISION TEST OF THE FOLLOWING CHAPTERS :

GEOGRAPHY- 1 AND 2 (10-09-12)

HISTORY- 9 AND 10 (11-09-12)

CIVICS- 18 AND 19 (12-09-12)