Roughly 6 months before your chosen exam date, you should book your place at an exam centre to take the pearson edexcel international gcse in science double award syllabus 4sd0. She has taught science courses at the high school, college, and graduate levels. Let mr thornton simplify how diffusion works its easy when you know how. Diffusion of knowledge among social groupings ap european.
Resource includes a starter, animation, structured discussion, activity and exam questions. Diffusion osmosis active transport a substance moves from an area of low concentration to an area of high concentration. Science inspiring resources for k12 from cells to the solar system, boardworks science products contain a wealth of high quality, readyprepared resources for your interactive whiteboard or classroom projector that are mapped to your state standards and help you teach extraordinary lessons. Our flexible online courses let you study your gcseigcses at your own pace, whether youre fasttracking your course to meet university deadlines or taking it slow to fit around your family, work or other studies. Understand the need for, and functions of, operating systems os and utility programs. The 91 aqa specification for gcse biology, examined from summer 2018.
What you need to know for gcse science and additional science for gcse physics. Operating systems systems software ocr gcse computer. My gcse science premium video tutorials, examstyle. Be aware that before constructing a solution, the solution should be designed, for example planning data structures for the data model, designing algorithms, designing an appropriate modular structure for the solution and designing the user interface. Diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration. Understand the need for, and functions of, operating. The cell membrane allows certain particles through it but it blocks the passage of others. Dear my gcse science, i just wanted to say a massive thank you for such excellent resources. This bibliography was generated on cite this for me on friday, march 20, 2015. May 14, 2009 the result of diffusion is a gradual mixing of material. Learn gcse science edexcel with free interactive flashcards. A secondary education revision video to help you pass your science gcse. Diffusion is a result of the kinetic properties of. I take you through the concept of diffusion and then we look at three factors that affect the rate of diffusion.
Our online gcse trivia quizzes can be adapted to suit. The materials provide an introduction to the main concepts of the theory of the subject and should. Proprietary, free and open source software bbc bitesize. All software development takes time and expertise, but there are many models for funding software development, and different models of ownership. For example, oxygen moves from a high concentration in the lungs to a low concentration in the blood. Newest diffusion questions chemistry stack exchange. The pack contains printable resources, starter activities, front of class digital resources and virtual experiments.
Easy exam revision notes for gsce biology, 2015 your bibliography. These are the sources and citations used to research osmosis and diffusion. New gcse 2016 diffusion this lesson is based on the aqa specification this lesson covers. Boardworks gcse science a complete wholeclass teaching resource for exciting and inspirational lessons from adaptation to renewable. Gcse is the qualification taken by 15 and 16 year olds to mark their graduation from the key stage 4 phase of secondary education in england, northern ireland and wales. Powerpoint file whole lesson questions are from the new kerboodle gcse 19 textbook. Also bigger objects take longer to diffuse through because the volume to surface area ratio is too small. See more ideas about gcse revision, gcse science and science revision. Dec 02, 2014 a secondary education revision video to help you pass your science gcse. Diffusion, is the scientific description for the gradual movement of particles from an area of many particles high concentration to an area with only a few low concentration.
Containing 15 popular simulated science experiments for ks3 and gcse biology, chemistry and physics, science investigations 1 is designed to help students learn and practice skills such as planning an experiment, making predictions and processing data. 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. Osmosis and diffusion gcserevision, biology, cellactivity. Operating systems provide this control, while utilities help to maintain the system. Oxygen diffuses into cells, and the waste carbon dioxide diffuses out. In his famous work, an essay on the principle of population, malthus argued that, if the. Diffusion this list provides a range of activities and demonstrations, together with background information and suggested teaching strategies, which explore diffusion. Aqa computer science subject content computer systems.
This list provides a range of activities and demonstrations, together with background information and suggested teaching strategies, which explore diffusion. In his famous work, an essay on the principle of population, malthus argued that, if the population continued to grow, it would outstrip the supply of food and lead to widespread famine and starvation. What is diffusion diffusion is the random movement of one liquid or gas through another, from a region of high concentration to a region of low. A quick note before you begin your science revision if you are studying a specific branch of science, then you might want to. Osmosis is the diffusion of water from a dilute to a more concentrated solution through a partially permeable membrane that allows the passage of water molecules. 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. Be aware that before constructing a solution, the solution should be designed, for example planning data structures for the data model, designing. A familiar example is the perfume of a flower that quickly permeates the still air of a room. Year 10 and year 11 pupils need to understand the passive movement of molecules in areas of high. Diffusion, is the scientific description for the gradual. Diffusion is the spreading out of the particles of any substance in solution, or particles of agas, resulting in a net mvoement from an area of higher concentration to an area of lower concentration. The result of diffusion is a gradual mixing of material. While diffusion is the more general movement of ideas, notions, and innovations, it can be broken down in its more specific functions.
She has taught science courses at the high school, college, and. Thomas malthus was an enlightenmentera british philosopher and economic writer. Science your comprehensive guide to how the world goes around. Gcse science enjoyable test revision education quizzes. Let mr thornton simplify how diffusion works its easy when. Let mr thornton simplify how diffusion works its easy. This resource is provided to support the teaching and learning of gcse computer science. My gcse science has helped me to achieve my goals here in london and id recommend it to anyone who really want to get the best grades in gcse science, fabulous. Igcse science double award online course ics learn. Diffusion, osmosis and active transport worksheet this worksheet accompanies diffusion. Hardware and software theory and quizzes for computer science gcse. Osmosis and diffusion biology bibliographies cite this.
Mar 14, 2016 new gcse 2016 diffusion this lesson is based on the aqa specification this lesson covers. Diffusion biology science get that c in your gcse and. Gcse physics the best free revision for gcse science. See more ideas about gcse physics, physics and science revision. Science online resources and windows software for primary and secondary biology, chemistry and physics. Some slides are blank to allow the teacher to write over it using active whiteboard. Gcse science biology 91 gas exchange in the lungs duration. Single celled organisms have a relatively large surface area to volume ratio. All it takes is two minutes to take the diffusion and osmosis test and find out how much you know about the. Gcse diffusion revise the passive movement of molecules.
Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. Osmosis and diffusion biology bibliographies cite this for me. Choose from 500 different sets of gcse science edexcel flashcards on quizlet. In a phase with uniform temperature, absent external net forces acting on the particles, the diffusion process will. Being in the class of 2020 i didnt get to complete my gcse exams but in the mocks i was able to achieve 9s in all my sciences which is something i could only have dreamed of before i came across your website. This water contains many dissolved substances and these substances plus the. Learn vocabulary, terms, and more with flashcards, games, and other study tools. See more ideas about teaching science, biology lessons and passive transport. Labster gives students access to a realistic lab experience that will let them perform experiments and practice their skills in a fun and riskfree learning environment. Contagious diffusion requires direct persontoperson contact, not the influence of trends observed in this question. Quizmoz offers one of the internets largest collection of tests for you to exercise your grey cells. Diffusion movement of molecules, from a region of high concentration to a region of low concentration.
Biology igcse diffusion, osmosis and active transport. The definition of diffusion relating diffusion to surface area why diffusion is important to cells this lesson contains. Diffusion is the random movement of a substance from a region of high concentration to a region of low concentration ie. In a phase with uniform temperature, absent external net forces acting on the particles, the diffusion process will eventually result in complete mixing or a state of equilibrium. The movement of particles from an area of higher concentration to an area of lower concentration. Boardworks gcse science free version download for pc.
I take you through the concept of diffusion and then we look at three factors that affect the rate. Start studying biology igcse diffusion, osmosis and active transport. The definition of diffusion relating diffusion to surface area why diffusion is. Diffusion is of fundamental importance in many disciplines of physics, chemistry, and biology. Jan 26, 2017 a comprehensive range of resources to support the teaching and learning of biology 1. Some slides are blank to allow the teacher to write over it using active whiteboard software as the class discussion progresses. Diffusion agar jelly experiment cut out varying sizes of agar jelly cubes place them in a beaker of potassium permanganate solution and time how long it takes for them to become one uniform. I have tried to set up a model for the diffusion of a gas into a liquid. Diffusion vs food coloring biology science fair project ideas. Science inspiring resources for k12 from cells to the solar system, boardworks science products contain a wealth of high quality, readyprepared resources for your interactive whiteboard or.
Which types of transport is each statement true for. Get the gcseigcses you need online with unlimited onetoone support from the uks most recommended online gcse provider. Topic summary power points, quizzes and checklists to help with revision for aqa combined trilogy science. Diffusion vs food coloring biology projects, biology science fair project ideas, biology topics for cbse school,icse biology experiments for kids and also for middle school, elementary school for class 5th grade,6th,7th,8th,9th 10th,11th, 12th grade and high school, msc and college students. Contagious diffusion requires direct persontoperson. Maths made easy complete tuition ltd 2017 uk gcse science. Diffusion is relatively slow, however, the higher the high concentration the faster it goes.
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