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WORKSHEET 1 GRADE 7 SOCIAL SCIENCES GEOGRAPHY TERM 2 TOPIC: VOLCANOES ...

GRADE 7 SOCIAL SCIENCES – GEOGRAPHY TERM 2 TOPIC: VOLCANOES, EARTHQUAKES, AND FLOODS CONTENT: STRUCTURE OF THE EARTH MARKS:15 VOLCANOES A volcano allows molten rock to form the mantle to flow out on to the Earths surface through the Earths crust, in the form of lava. urrently, there are approximately 1500 active volcanoes around the ...