PROCESS CAUSE EFFECTS CONSEQUENCES a process by which land becomes increasingly dry until almost no vegetation grows on it - making it a desert.

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Presentation transcript:

PROCESS CAUSE EFFECTS CONSEQUENCES

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

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

Food People Press the words to explore! Weather ? Biodiversity GUESS Can youall 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?

Worldwide loss of biodiversity

Go to each spot in order! Have fun! Press button below Start here! Play Maze

POVERTY Back to maze Consequence I

NO SCHOOLING (HAVE TO COLLECT FIREWOOD INSTEAD) Back to maze Consequence II

LACK OF WATER AND FOOD Back to maze Consequence III

PEOPLE HAVE NO WHERE TO LIVE Back to maze Consequence IV

Back to home “ENVIRONMENTAL REFUGEES” SUFFER UNDER LIVING DIFFICULTIES Consequence V Back to Home