geography-form-3-marking-scheme-end-t1-2024-teacher.co_.ke
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DATE 07 Dec 2025
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About This Document
Document Type: This is a Study Notes, designed for Reviewing core curriculum material.
Context: Standard material from the 2024 academic period.
Key Content: Likely covers essential definitions, theoretical concepts necessary for mastery of the subject.
Study Strategy: Summarize these notes into flashcards or mind maps to aid active recall and long-term retention.
Recommendation: comprehensive resource for students aiming to deepen their understanding of General Studies.
Detailed Content Overview
Introduction
This notes resource titled "geography-form-3-marking-scheme-end-t1-2024-teacher.co_.ke" offers detailed study notes covering essential concepts and theories. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Understand fundamental principles and core concepts
- Build a strong foundation for advanced study
- Connect theoretical knowledge with practical applications
- Prepare comprehensively for assessments and exams
Detailed Summary
Term 1 – 2024 GEOGRAPHY (312) FORM THREE (3) Download this and other FREE materials from https://teacher. ke/notes Time: 2 ¾ Hours MARKING SCHEME SECTION A. (a) Two layers of discontinuity. (2 mks) Moho - discontinuity / mohorovicic discontinuity. (2 x 1 = 2 mks) (b) Characteristics of the mantle. (3 mks) Has a thickness of about 2900 km. Has an average density of 3. Temperatures are extremely high (10000C) Dominant minerals are iron and magnesium. (olivine) It is made up of upper mantle and lower mantle. (a)* Seismic focus refers to the place in the interior of earth where earthquake waves originate from while Epicenter is the point vertically above the focus on the earth surface where the earthquake wares are first (1x2=2 mks) experienced / felt. (3 mks) - The Circum Pacific Belt. - Along The Great Rift Valley - The Mid Atlantic Ocean Belt. (Any first 2 x 1 = 2 mks) (a) Climax vegetation refer to the plant cover that has reached its maturity without interference by human beings.
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Summarization
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Content Preview
Term 1 – 2024 GEOGRAPHY (312) FORM THREE (3) Download this and other FREE materials from https://teacher.co.ke/notes Time: 2 ¾ Hours MARKING SCHEME SECTION A. (25 MKS) 1. (a) Two layers of discontinuity. (2 mks) Moho - discontinuity / mohorovicic discontinuity. Gutenberg discontinuity. (2 x 1 = 2 mks) (b) Characteristics of the mantle. (3 mks) Has a thickness of about 2900 km. Has an average density of 3.0 - 3.3 gm / cc. Temperatures are extremely high (10000C) Dominant minerals are...
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