Osmosis is the passage of water from a region of high water concentration through a semipermeable membrane to a region of low water concentration. Free biology revision notes on the topic diffusion. Learners gain an understanding of the basic principles of biology through a mix of. Igcse past paper questions on osmosisdiffusion perfect for year 10 and 11 ideal as an end of unit test save time compiling questions for a test. Biology vocabulary igcse edexcel flashcards quizlet.
It allows students to think of the factors which can affect the rate of diffusion. You will notice that many terms are defined in the syllabus, so that is a good place to start. Diffusion relies on the fact that all molecules are in a constant state of random kinetic motion, but before diffusion can occur, there must be a concentration gradient of the molecules, that is. Cambridge igcse biology textbook pdf by dg mackean and hayward. Edexcel gcse biology 1bi0 ocr gateway biology a j247 ocr twenty first century science biology b j257 eduqas wjec biology. Igcse biology 0610 past papers about igcse biology syllabus with an emphasis on human biology, the cambridge igcse biology syllabus helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. Welcome to another video of igcse biology speed revision. This covers all the topics and modules for all specifications including 0610. Gcse diffusion revise the passive movement of molecules. Diffusion definition and examples biology online dictionary. Diffusion and osmosis are passive, as no energy is needed. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The text books referenced have been written to accommodate this o level biology syllabus though it is advisable to check text book content with the syllabus before. Edexcel igcse biology revision notes topic questions.
With nicer graphics of biology books nowadays, there is no way people will get bored. Find all the books, read about the author, and more. Start studying biology igcse diffusion, osmosis and active transport. Written by expert teachers for the cie 06100970 igcse biology syllabus. Diffusion cie igcse biology revision notes save my exams. Tailored to follow the cie igcse biology specification, this ibooks textbook, produced by the stephen perse foundation, covers the cells and transport in cells sections of the new syllabus.
Original material as cambridge university press 2014 as cambridge university press 2014 igcse biology. All nouns are in singular, except when it says otherwise. Ccea gcse biology 1010 cambridge igcse biology 0610 edexcel international gcse biology 4bi0 oxford aqa international gcse biology 9201 cambridge igcse biology 0610 for exams from 2019. Edexcel international gcse human biology student book. Diffusion, osmosis, active transport there are two ways in which substances can enter or leave a cell. The particles suspended in liquids and gases, for instance, struck each other resulting in their random constant motion. Igcse grade 9 and grade 10 biology study notes, revision. Edexcel international gcse human biology student book provides complete coverage of the 2009 edexcel international gcse specification, so you can be sure you and your students have all the material you need. Cambridge complete biology for cambridge igcse 2nd edition ebook pdf cell membrane is also called the plasma membrane. These three books provide clear, wellwritten course material and a wealth of questions and exercises, including examlevel revision. Cambridge igcse biology coursebook third edition by cambridge. Osmosis the diffusion of water across a membrane water will move in the direction where there is a high concentration of solute and hence a lower concentration of water.
Because of this movement, particles will spread themselves evenly throughout a liquid or a gas. Igcse biology the right website to switch to when your parents enter your room especially when youre looking at the notsoappropriate bio website. Diffusion is a process fundamental to life no wonder then that its studied in gcse biology. Diffusion is the random movement of a substance from a region of high concentration to a region of low concentration ie. Biology igcse diffusion, osmosis and active transport. The book is supported by a cdrom containing extensive revision and exam practice.
Complete biology for cambridge igcse rg revision guide. Cambridge igcse biology d g mackean, dave hayward download. Diffusion, osmosis, and active transport practice questions. Osmosis movement of water molecules, across a partially permeable membrane, from a region of high concentration of water to a low concentration of water molecules it allows plants to take in water through their roots. Other components of cambridge igcse biology, third edition. Thus, osmosis is a special case of diffusion through a. Temperature and presence of oxygen and poison affect the rate of active transport. It is endorsed by cambridge international examinations for use with their exams. They are aimed at teachers but its not too complicated and there is plenty of help on the.
Creative commons sharealike other resources by this author. Igcse biology revision answers test 2 classification of living organisms 5. I take you through the concept of diffusion and then we look at three factors that affect the rate of diffusion. Edexcel international gcse 91 human biology student book phil bradfield and steve potter ebook included. See more fantastic resources made by save my exams today.
Characteristics and classification of living organisms revision notes. Written by an experienced teacher and examiner, cambridge igcse biology coursebook with cdrom third edition gives comprehensive and accessible coverage of the syllabus content. Twenty per cent of the marks for cambridge igcse biology are for practical work. Molecules move down a concentration gradient, as a result of their random movement. Complete biology for cambridge igcse by ron pickering. Salt is a solute, when it is concentrated inside or outside the cell, it will draw the water in its direction. Mackean has 20 books on goodreads with 698 ratings. For example, oxygen moves from a high concentration in the lungs to a low concentration in the blood. The popular, stretching approach will help students to reach their full potiential. This highly respected and valued textbook has been the book of choice for cambridge igcse students since its publication. Today we are gonna be covering section 3 of the syllabus. Diffusion diffusion is the movement of molecules from a region of its higher concentration to a region of its lower concentration. With plenty of engaging material, practice questions and practical ideas, digital edition contains everything your students need to succeed in cambridge igcse biology.
Cambridge igcse economics by susan grant, cambridge igcse mathematics with cd by ric pimentel, complete physics for cambridge i. All the examination questions used in this book are reproduced by permission of. Cambridge complete biology for cambridge igcse 2nd edition ebook pdf. Mackean author, dave hayward author visit amazons dave hayward page. Edexcel igcse revision notes written by tim filtness 5 the envelope is used to gain entry into host cells. Edexcel igcse biology student book by philip bradfield et al.
The capsid is a protein coat and is used to protect the genetic information and give the virus structure the dna or rna a different type of nucleic acid contain the code for building new viruses. It can be observed only through an electron microscope. Cambridge complete biology for cambridge igcse 2nd edition. Particles molecules and ions in a liquid and a gas move continuously. Edexcel international gcse 9 1 student book pearson. Year 10 and year 11 pupils need to understand the passive movement of molecules in areas of high concentration, through membranes to areas, of low concentration. Complete chemistry, biology and physics are for students following the cambridge international examinations updated syllabuses for cambridge igcse. Cambridge igcse biology coursebook third edition by.
With an emphasis on human biology, the cambridge igcse biology syllabus helps learners to understand the technological world in which they live, and take an informed interest in. Here is link to buy igcse biology book to help you further. Igcse biology chapter 3 movement in and out of cells. Free cie igcse biology revision notes designed by teachers for the 0610 0970 syllabus. For first teaching from september 2009 and first examination in 2011. Diffusion is the net movement of molecules from a region of its higher concentration to a region of its lower concentration. Igcse past paper questions on osmosis and diffusion. Hello, i am a web developer and blogger, currently a uetian, i want to compile all the best o and a level resources at one place for the ease of.
It is better to only use the cards to learn terms and not definitions. Igcsegcse 91 biology diffusion lesson teaching resources. All the vocabulary needed for biology igcse edexcel. Nuffield practical biology has free how to do it sheets for every practical activity on the gcse, igcse and alevel syllabus. Cambridge igcse biology teachers resource third edition by. Your other book how to maximise your result in every gcse exam has greatly helped me in all of my other subjects as i can revise effectively which frees up my time and in class tests i have noticed a significant improvement from getting b and c grades to now getting a and a grades. Im including the very basic vocab as well as very specific words that are in the book but are not likely to come up.
Thank you for buying this edexcel international gcse 91 biology student book. Complete biology for cambridge igcse online student book. Worksheets are the biology of osmosis jones, osmosis and diffusion audience, diffusion and osmosis work answers, created by teachers from east gadsden high school, osmosis jones answers key, answers to osmosis jones work, osmosis jones questions about body system analogies, osmosis jones study guide answer key. Plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment. This second edition, complete with cdrom, continues to provide comprehensive, uptodate coverage of the core and extended curriculum topics specified in the cambridge igcse biology syllabus. Diffusion in physics is the movement of particles from an area of higher concentration to an area of lower concentration as driven by thermal energy. Diffusion and osmosis intro igcse teaching resources.
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