Summary GRADE 10 - GEOGRAPHY

GRADE 10
SOCIAL SCIENCES (GEOGRAPHY)




TERM 1-4 SUMMARIES AND REVISION ACTIVITIES
EXAMINATION PAPERS

,TERM 1 REVISION MATERIAL

,CONTENT

1 Composition and Structure of the Atmosphere 3
2 Heating of the atmosphere 5
3 Moisture in the atmosphere 10
4 Synoptic weather maps 12


5 Revision Activities

Activity 1 : Structure of the Atmosphere 13
Activity 2 : Global warming 14
Activity 3 : Types of clouds 15
Activity 4 : Synoptic weather maps 16
Activity 5 : Concepts 17




Geography revision booklet Grade 10 Term 1

, 1 | COMPOSITION AND STRUCTURE OF THE ATMOSPHERE

1.1 What is the atmosphere?
The layer of air that surrounds the Earth on which all life depends



1.2 Why is the atmosphere so important?




1.3 What is the Composition of the Atmosphere?
The air in the atmosphere consists of a mixture of gasses.

TYPE OF GAS GAS
Permanent Nitrogen and Oxygen
(constant)
Variable argon, water vapour, ozone and
greenhouse gasses
Non-Gasses Dust, salt and smoke particles

Pollutants Sulphur dioxide, methane



Geography revision booklet Grade 10 Term 1