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KLB Physics form 4 notes
| Institution | Secondary |
| Course | K.C.S.E |
| Year | 1st Year |
| Semester | Unknown |
| Posted By | Michael Paul |
| File Type | |
| Pages | 118 Pages |
| File Size | 11.91 MB |
| Views | 5078 |
| Downloads | 1 |
| Price: |
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Description
Physics is defined as the study of matter and its relation to energy. The subject is
applied in explaining phenomena like eclipse, lightning, rainbow, mirage and
many other wonders of nature. Physics explains the how and why behind the:
• falling of bodies towards the ground.
• daily occurrence of tides in the sea.
• rising up of a liquid through a drinking straw.
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Acid and Base catalysed enolizations, aldols and cyclizations
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Aldehydes and ketones are in equilibrium with their enol isomers.
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NUTRIENT CYCLING
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Nutrients are essential life chemical
elements (About 16 elements). Macronutrients:-Compounds required in great quantities
38 Pages
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PRIMARY PRODUCTION
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Sun's energy is harvested by plants and stored as chemical energy through photosynthesis.
55 Pages
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EAST AFRICAN VEGETATION
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The diversity of climates and landforms leads to great
diversity of vegetation types in E.A. .Vegetation is influenced by eq uator, relief and altitude especially by Mt. Kenya, Kilimanjaro and Ruwenzori Mountains that are over 5000m high.
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FRESH AND MARINE WATER COMMUNITIES (AQUATIC COMMUNITIES)
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Communities associated with freshwater lakes, river valleys and areas that are permanently or temporarily waterlogged. Waterlogging is a result of drainage impediment. These communities are ecotones between dry land and open water. Wetlands are highly productive. They are species rich as they draw them from the adjacent ecosystems.
41 Pages
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EVOLUTION , VARIATION AND BREEDING MECHANISMS
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Evolution is the change over time. It leads to diversity , structural complexity and adaptive nature of plants. Organic evolution is a series of transformations in the genetic material of a population over time .The primary cause of evolution is natural selection in
response to the changing environmental interactions
16 Pages
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SCIENTIFIC NAMING OF PLANTS( NOMENCLATURE)
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Nomenclature is the correct naming of plants according to specified rules. Plants were known by their common names during the pre-scientific times. The use of common names however are limited to geographical locations or cultures.
19 Pages
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FORMATION OF SCIENTIFIC NAMES
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Names of plants may be formed in a number of ways;
1. Commemorative ; names may commemorate important persons; those have had major contributions in the science of plants
(Botany).
2. Plants may be named after geographical place or feature
3. Names may come from myths
4. Names be as a result of some character a plant
5. Names may describe the habitat
6. Names may also denote resemblance to another
7. Some plant names are derived from culture
10 Pages
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KAPSABET HIGH SCHOOL POST-MOCK 2024; C.R.E PP1 & PP2 Q&A
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Download a copy of the KAPSABET HIGH SCHOOL POST-MOCK 2024; C.R.E PP1 & PP2 Question Papers with well coordinated Marking Schemes attached. This is a good revision material for your upcoming exams.
15 Pages
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KAPSABET HIGH SCHOOL POST-MOCK 2024; History PP1 & PP2 Q&A
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Download a copy of the KAPSABET HIGH SCHOOL POST-MOCK 2024; History PP1 & PP2 Question Papers with well coordinated Marking Schemes attached. This is a good revision material for your upcoming exams.
20 Pages
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