Date post: | 20-Dec-2015 |
Category: |
Documents |
View: | 218 times |
Download: | 0 times |
PROCESS
CAUSE
EFFECTS
CONSEQUENCES
Acknowledgements
a process by which land becomes increasingly dry until almost no vegetation grows on it - making it a desert
Slash and Burn
Over-logging
Over ploughing and rearing
PRESS ME
1950 60 70 80 90
Population
Grassland
Animals
Rainfall
Year
500 mm
1000 mm
Source From : 香港大學課程學系母語教學教師支援中心 鳴謝:譚國新先生
FoodPeople
Press the words to explore!
Weather
?Biodiversity
GUESSCan you all the effects of desertification?
Can you guess all the effects of desertification?
Global lessening of food because animals can’t survive
Can you guess all the effects of desertification?
The boiling days and freezing nights make it hard to survive
High temperatures cause intense winds, increasing hurricanes
Can you guess all the effects of desertification?
Can you guess all the effects of desertification?
Worldwide loss of biodiversity
Go to each
spot in order! Have fun!
Press button below
Start here!
Play Maze
1
2
3
5
4
6
1
2
3
4
5POVERTYBack
to maze
ConsequenceI
1
2
3
4
5
NO SCHOOLING (HAVE TO COLLECT FIREWOOD INSTEAD)
Back to
maze
Consequence II
1
2
3
4
5LACK OF WATER AND FOODBack
to maze
Consequence III
1
2
3
4
5PEOPLE HAVE NO WHERE TO LIVEBack
to maze
Consequence IV
4
1
2
3
5
Back to
home
“ENVIRONMENTAL REFUGEES” SUFFER UNDER LIVING DIFFICULTIES
Consequence V
Back to
Home
http://office.microsoft.com
http://www.idrc.ca/en/ev-92240-201-1-DO_TOPIC.html
PhotoImpact
http://www.teacherhome.cn/ResHtml/32/3272/1000100066000.html
하망연 (何茫然 ) ( Instrumental )
http://www.cmi.hku.hk/material/dis.ppt