Intro
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This document outlines the topics and textbooks for Form 3 science, including human respiration, blood circulation, excretion, reproduction, growth, electricity, star and galaxy formation. Key topics are the human respiratory and circulatory systems, effects of smoking, transport systems in plants and humans, and electrical circuits and generation of electricity. Required books include notebooks for notes, reports and exercises, and science textbooks for each lesson.
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Blood is composed of approximately 45% cells including red cells, white cells, and platelets, with the remaining 55% consisting of plasma. Plasma is a mostly water-based fluid that transports nutrients, proteins, vitamins, minerals, and a salt concentration similar to sea water throughout the bloodstream. When a blood sample is centrifuged, the plasma and packed blood cells separate based on their differing densities.breathing
breathingSue Aris
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This document outlines the topics and textbooks for Form 3 science, including human respiration, blood circulation, excretion, reproduction, growth, electricity, star and galaxy formation. Key topics are the human respiratory and circulatory systems, effects of smoking, transport systems in plants and humans, the human excretory organs, reproductive systems, electrical circuits and generation of electricity. Required textbooks include a notebook, report book, and exercise book, as well as science textbooks for each lesson.Answer1.3
Answer1.3Sue Aris
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Breathing is the process of inhaling and exhaling air, while respiration is the cellular process by which organisms produce energy from oxygen and food. Passive smoking occurs when a non-smoker inhales secondhand smoke from others smoking around them.Answer chap1
Answer chap1Sue Aris
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1. Breathing involves inhaling and exhaling air, while respiration is the process of burning food to produce energy through the production of carbon dioxide and water.
2. The air is filtered and warmed as it passes through the nostrils before inhalation and after exhalation it contains less oxygen and more carbon dioxide and water vapor.
3. The lungs have a large surface area, thin walls, and moist layer to facilitate gas diffusion between inhaled and exhaled air and the blood in capillaries. Oxygen from oxyhemoglobin diffuses into tissues while carbon dioxide diffuses into the blood.Observations
ObservationsSue Aris
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The experiment involved cotton wool and litmus solution before and after heating. Before heating, the cotton wool was white and the litmus solution was red. After heating, the cotton wool turned yellow and the litmus solution changed color from red to blue, while the temperature in the U-tube increased from 31属C to 39属C.Ad
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General Theory of Teaching:
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Better Student Engagement
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Intro
- 1. SUZANA BT ARIS GKMP TEKNIK VOKASIONAL OPTION:SCIENCE,ENGLISH
- 2. Books One note-book One report book One exercise book (Text book bring every science lesson)
- 3. Topic Form 3 1. Respiration (Respirasi) Human respiratory system Human brething mechanism Effects of smoking on lungs Lung cancer due to smoking
- 4. Topic Form 3 2. Blood circulation and transport (Peredaran darah dan pengangkutan) Structure of the human heart Main structures of the blood circulatory system Artery Vein Capillary Transport system in plant
- 5. Topic Form 3 3. Excretion (Perkumuhan) The human excretory organs Excretion in plants 4. Reproduction (Pembiakan) Human reproductive system Menstrual cycle Structures of a flower Fertilisation
- 6. Topic Form 3 5. Growth (Pertumbuhan) Human growth patern 6. Land and its recources (Tanah dan sumbernya) Reaction of metals with oxygen Reaction of metals with sulphur Fractional distillation of petroleum
- 7. Topic Form 3 7. Electricity (Keelektrikan) Detecting electrical charges with an electroscope. Measuring current and voltage Flow of electric current A series circuit A parallel circuit Magnetic field produced by a straight wire
- 8. Topic Form 3 8. Generation of electricity (Penjanaan Tenaga Elektrik) Electrical energy transmission and distribution system. Fuse and earth wire
- 9. Topic Form 3 9. Stars and galaxies (Bintang dan galaksi) Structure of the sun Formation and death of stars 10.Space exploration (Penjelajahan Angkasa Lepas)
- 10. Topic Form 3 9. Stars and galaxies (Bintang dan galaksi) Structure of the sun Formation and death of stars 10.Space exploration (Penjelajahan Angkasa Lepas)