Cracking definition gcse geography

For example, hexane can be cracked to form butane and. Thats why these blogs are no longer updated, whats there is all i had time for back then so im sorry that theyre not fully complete with the whole syllabus and all. Geography gcse revision section for agriculture, coastal landscapes, development, ecosystems, industry, managing resources, mudslides, population, river landscapes. Most of geography is just fact recall, so if you can do that just revise very much and make sure youre clear on all the subjects then you can probably do geography. One topic looked at in gcse geography is weathering.

Geography igcse course home schooling igcse oxford home. Sediment in a river or sea that strikes others and breaks down. Crude oil is a mixture of hydrocarbons formed from the remains of simple marine organisms over millions of years. Start studying chemistry gcse edexcel cc1 states of matter. Cracking definition of cracking by the free dictionary. Geography is a quite simple subject to grasp but it depends on which exam board youre using. Aug 27, 2016 this website and its content is subject to our terms and conditions.

When temperatures drop, the water freezes and expands causing the crack to. Gcse chemistry revision covering cracking and its products, hydrocarbons, catalyst, thermal decomposition, alkanes, single covalent bonds, alkenes, double covalent bonds, and cracking. Gcse 91 geography b specification pearson edexcel level 1level 2 gcse 91 in geography b 1gb0 first teaching from september 2016 first certification from 2018 issue 2. Erosion and weathering are the processes of wearing down materials like rocks. For example plant roots can enlarge cracks in a rock as they grow and expand. The most beneficial way to revise geography is to attempt as many past papers as possible. Im passionate about all geographical events and am a keen blogger. Cracking and alkenes crude oil, hydrocarbons and alkanes. One of the topics studied in gcse geography is soil erosion and degradation. Cracking allows large hydrocarbon molecules to be broken down into smaller, more useful hydrocarbon molecules. Edexcel geography a specification definitions teaching. Cracking the breaking down of an organic compound or hydrocarbon into a smaller compound.

Chemistry gcse edexcel cc1 states of matter flashcards. Gcse geography abbreviations and acronyms, ledc, medc, lic. Cracking is the most important process for the commercial production of gasoline and diesel fuel. Retirement migration types of migration gcse geography. Gcse geography how to get that a in gcse geography by arkvega. Oxnotes igcse chemistry key chemistry terms glossary. Choose the exam specification that matches the one you study. Everything you need to know about caves, arches, stacks and stumps on coasts. Cracking oil and cracking gcse chemistry single science. The coursework takes a while but the workload is not bad overall and includes a lot of field trips. Two case studies of recent ideally within the last 30 years seismic events should be undertaken from contrasting areas of the world. There will be some cracking prizes on the line, including cpd.

This quiz looks not only at the causes of soil erosion, but also the effects such as how it damages ecosystems. The breaking down of long chain hydrocarbon molecules with heat andor catalyst to produce smaller hydrocarbon molecules andor hydrogen. See current entries and add your own how and why to enter grow your grades. This happens continually along coastlines, creating varying landforms and coastal features. Mar 30, 2011 a helpful little guide to cracking those longshore drift exam questions but be prepared to get up and get inovlved. Here youll find everything you need to prepare for gcse 91 geography a including our specification and sample assessment materials. Last minute revision tips for gcse science telegraph. His process was introduced in 1936 by the soconyvacuum oil company later mobil oil corporation and in 1937 by the sun oil company later sunoco, inc.

Gcse geography revision guides and question banks covering rivers, ecosystems, tourism and resources and all core gcse geography topics. Science course specifications are extremely useful, because they provide clear definitions for terms you must be familiar with and tell you. Dyson perrins gcse geography coasts key words quiz. There is a greater demand for smaller hydrocarbons than larger ones. Catherine looks at a case study of lagos for your gcse geography exam. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq.

It covers every topic from component 1 our natural world and component 2 people and society with crystalclear study notes, examples and case studies. We have included some articles from student jungle with advice and inspiration to help you with your future plans. Faulting is the cracking fracturing of the brittle crustal rocks due to tectonic forces. In geography, we use many acronyms and some abbreviations. The international gcse geography is designed to help students better understand the world around us. Enter competitions and win prizes for ks3 geography revision, gcse geography revision and a level geography revision. Mar 02, 2014 this website and its content is subject to our terms and conditions. Cracking is the process of converting alkanes into alkenes and shorter alkanes. Try some gcse geography country guide to kenya kenya is a country about as large as france and situated in east africa between 5n and 5s. Types of weathering coastal processes aqa gcse geography.

Hydraulic action this is the sheer power of the waves as they smash against the cliff. Cracking of cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts. Exam board content from bbc bitesize for students in england, northern ireland or wales. Join s of fellow geography teachers and students all getting the tutor2u geography teams latest resources and support delivered fresh in their inbox every morning. Defenition the defeniton of weathering is the decay and disintergration of rocks, in situ, including physical, chemical and biological proceses, resulting from the conditions from the atmosphere. Botswana examinations council bec candidates can download question papers for botswana general certificate of secondary education bgcse bgcse past papers pdf bec. Key idea earthquakes and volcanic eruptions are the result of physical processes. Subscribe to email updates from the tutor2u geography. Comprehension, geography, reading, comprehension, ks2 reading primary resources, reading, ks2 reading, reading and writing, ks2 english, ks2 literacy, ks2. Which of the following is not an example of physical weathering.

Assuming fineor mediumgrained, the unconsolidated residue is immersed in groundwater, the shaking that happens during a seismic tremor may cause the dreg grains to lose contact with one another and become suspended in the water, incidentally transforming what was firm ground into fluid ground. Geography notes form 2 free download kcse revision. Home gcseigcse notes gcse geography river glossary. Gcse geography soil erosion and degradation damages ecosystems.

Gcse geography revision section looking at weather and climate, the difference between weather and climate and how the weather is forecast by the met office. During most quakes, some cracking of the worlds surface happens along the shortcoming follow. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Gcse geography scool, the revision website jump to navigation.

Temperatures over much of kenya are subtropical or temperate, and are similar to those in summer in france or southern britain. Gcse geography deforestation by revise a level and gcse. Also, to help illustrate the topic, there is a great coastal diagram and links to more useful geography resources all to help you learn about the geography topic of coasts in a fun and interesting way. Exam preparation for gcse geography geography tutor2u.

Geography notes form 2 klb book 2 kcse geography revision notes free download. Whereas alkenes produce a smoky yellow flame as they dont fully combust. Catalytic cracking was itself improved in the 1940s with the use of fluidized read more. The gcse syllabus requires that you know and understand some of the most important ones and how to use them appropriately and correctly in the particular topic you are studying.

There will be some cracking prizes on the line, including cpd, free analytics packages and maybe even a years supply of pens select a date range and your school name from the dropdown menus to see how much biology brains your students have been acquiring. This gcse course will deepen understanding of geographical processes, illuminate the impact of change. It allows students to investigate the link between the two themes, and approach and examine the battles between the manmade and natural worlds. Cracking definition, in the distillation of petroleum or the like the process of breaking down certain hydrocarbons into simpler ones of lower boiling points by means of excess heat, distillation under pressure, etc. Plate tectonics is a scientific theory that describes the large scale motion of the movement of a number of large and small places that make up the earths lithosphere crust and upper mantle. Students who complete the course will have the skills and experience to progress onto alevel and beyond. Choose from 500 different sets of definitions and terms gcse geography flashcards on quizlet. Natural climate variability gcserevision, geography. Chemistry key terms and definitions revision universe. The richter and mercalli scales the strength of an earthquake is usually measured on one of two scales, the modified mercalli scale and the richter scale. Gcse geography soil erosion and degradation damages. Counter urbanisation is the movement out of cities to rural areas or smaller urban settlements. Gcse geography lagos case study by revise gcse geography. I blog according to the 2009 specification, so its exact and will get you through.

Fractional distillation separates a mixture into a number of different parts, called fractions. Cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure. In cracking improved the cracking process with catalysts to obtain a higheroctane product. Cgp revision guide gcse for the grade 91 course ocr b. This delivers an issue scarp, which may have up to a few m up to 10 ft or a higher amount of vertical uprooting. So, learn all of these words and phrases of by heart. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a.

Chemistry gcse edexcel cc1 states of matter flashcards quizlet. We checked botswana examinations council bec official web portal but they did not upload any bgcse i. Day time temperatures hot enough to crack rocks and night time temperatures cold enough to shrink rocks and so. Cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts. This exciting course is based on a balanced framework of physical and human geography. Gcse specifications for the discipline of geography gives students the opportunity to understand more about the world, the challenges it faces and their place within it. Shingle and sand are examples found along the coast.

Gcse geography weathering, the breakdown of rocks and minerals. Petrol and other fuels are produced from it using fractional distillation. Fracking is a slang term for hydraulic fracturing, which is the process of creating fractures in rocks and rock formations by injecting specialized fluid into cracks to. Aqa gcse geography cie igcse geography edexcel gcse geography ocr gcse geography. Catalytic cracking is also a valuable source of propylene and butylene, but it does not account for a very significant yield of ethylene, the most important of the petrochemical building blocks. Bgcse past papers pdf botswana examinations council bec. Fractions containing large hydrocarbon molecules are.

We crack alkanes because the shorter chain alkanes are more valuable they are used as fuel. Dyson perrins gcse geography coasts key words quiz by. In this episode, she will look at the background of the city of lagos in nigeria, and the opportunities and challenges coming from its urban growth. Linear means that students will sit all their exams at the end of the course. The strength of an earthquake is usually measured on one of two scales, the modified mercalli scale and the richter scale. A volcano that has erupted recently and is likely to erupt again. Fractional distillation of crude oil oil and cracking. With this understanding, we believe our students will be wellpositioned to shape the future of our planet, both on a political level, and a scientific one too. Learn definitions and terms gcse geography with free interactive flashcards. The mercalli scale is a rather arbitrary set of definitions based upon what people in the area feel, and their observations of damage to buildings around them.

Plus there are ideas for making geography models that make learning about coasts fun. It will be very hard to answer all the questions in the paper without knowing these key terms and definitions. Many geographers have fantastic subject knowledge but are unable to apply it to the question in the exam as the questions are complicated and they havent spent time breaking down the questions in their revision. The growing of crops and rearing of animals amenities. I hated geography in years 79 but i chose it for gcse, i dont remember why because i preferred history. Join geography maestro jack for a few quick pointers and refreshers before your gcse geog paper 2 tomorrow. Ive finished igcses in 2012 but i hope these blogs help people with their igcses anyway. In the past 150 years half the topsoil on the planet has been lost. Cracking is used to convert long alkanes into shorter, more useful hydrocarbons. A helpful little guide to cracking those longshore drift exam questions but be prepared to get up and get inovlved. Outstanding gcse and a level chemistry resources having taught gcse and a level chemistry for 6 years and being an examiner i have developed a solid understanding of what makes a lesson outstanding and seek to share this with other teachers.