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Geography Form 3 Mid Term Exam

The document outlines topics related to plate tectonics and geology for a geography form 3 exam, including describing continental drift and plate tectonic theories, weaknesses of continental drift, types of plate boundaries, formation of oceanic ridges and trenches, how plate tectonics addresses weaknesses of continental drift, differences between volcanism and earthquakes, causes and effects of volcanism, definitions and types of rocks, differences between ocean currents and streams, causes and influencing factors of ocean currents, and importance of continental shelves. It contains multiple questions requiring explanations of concepts and differentiation of terms.

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mtende mwale
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4K views1 page

Geography Form 3 Mid Term Exam

The document outlines topics related to plate tectonics and geology for a geography form 3 exam, including describing continental drift and plate tectonic theories, weaknesses of continental drift, types of plate boundaries, formation of oceanic ridges and trenches, how plate tectonics addresses weaknesses of continental drift, differences between volcanism and earthquakes, causes and effects of volcanism, definitions and types of rocks, differences between ocean currents and streams, causes and influencing factors of ocean currents, and importance of continental shelves. It contains multiple questions requiring explanations of concepts and differentiation of terms.

Uploaded by

mtende mwale
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Geography form 3

1.Describe the following theories ;

a. Continental drift (5marks)

b. Plate tectonics (5marks)

2.State two weakness of continental drift theory (2 marks)

3.Describe three types of plate boundaries (6 marks)

4 . Briefly explain how the following were formed!

a. Ocienic ridges (4 marks)

b. Oceanic trenches (5 marks)

5.Explain two ways how the plate tectonic theory solves the weakness of continental drift theory? (4
marks)

6.Differenciate volcanism from Earth quakes? (3 marks)

7.Give two causes of volcanism? (4 marks)

8.State two positive effects of volcanism(4 marks)

9.a) Define the following terms;

i. Rock (2 marks)

ii. Mineral (2 marks)

b Explain three main types of rocks(6 marks)

10.a. Diffrenciate an Ocean current from a oceanic Stream (4marks)

b. Give two causes of ocean currents(2 marks)

c. State two factors that influence the direction of ocean currents (2 marks)

d. Outline two importance of the continental sheaves? (2 marks)

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