Cosmic rays from space. radiation energy that is radiated or transmitted in the form of rays or waves or particles. Atoms & Radioactivity. GCSE Physics: Radioactivity. This is where things start to get really strange! It is beta-particles. registered in England (Company No 02017289) with its registered office at Building 3, $$ IGCSE physics topic 5 atomic_physiccs.pdf View Download 1197k: v. 4 : Mar 17, 2019, 4:42 AM: Nirmalie Fernando: : Summary Notes - Topic 5 CIE Physics IGCSE.pdf View Download 513k: v. 2 : Mar 23, 2019, 2:51 PM: Nirmalie Fernando The lessons cover the following topics: Physics GCSE - Atomic Structure, Radioactivity, Uses of Radioactivity. Assume that the core of the Sun has one-eighth of the Suns mass and is compressed within a sphere whose radius is one-fourth of the solar radius.Assume further that the composition of the core is 35% hydrogen by mass and that essentially all the Suns energy is generated there. $$ <>/MediaBox[ 0 0 612 792]/Parent 199 0 R /Resources<>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/StructParents 1/Tabs/S/Type/Page>> Radiation ionises the air which condenses creating a vapour trail, radioactive material is outside the object or person and the irradiated object or person is therefore not radioactive, radioactive material is inside the object or person so therefore the contaminated object or person is radioactive, the average time it takes for the radiation emitted per second to halve or the average time it takes for the number of radioactive atoms to halve. Topic 3: Properties of Waves including Light and Sounds. $$ when two small nuclei join together to create one nucleus by converting mass into energy in high temperatures and pressures. Radiotherapy A solid sphere is rolling without slipping or sliding down a board that is tilted at an angle of Distinguish between the subatomic particles in terms of relative charge and mass. randomly from the nucleus of unstable atoms that have decayed. Uses of Radiation-Radioactive sources are incredibly useful for many applications, Medical Uses of Radioactivity- Radioactivity, although hazardous, has many benefits, Fission and Fusion-Releasing energy from splitting, or joining, nuclei. Radioactive Emissions. $$ Alpha radiation Alpha radiation. Principles of Physics, International Edition, David Halliday, Jearl Walker, Robert Resnick. In the radioactive process, the nuclide undergoes a . However, strange as it may seem, my real love is designing resources that can be used by other teachers to maximise the experience of the students. Thank you for that feedback, Love it, easy to tweak bits to suit both triple and combined, very engaging. GCSESCIENCEREVISION.com - Radioactivity Atomic structure Topic Summary In this topic you need to know: The structure of the atom and how the model has changed over time Radioactive sources and the relative ionising and penetrating powers of Alpha, Beta and Gamma sources Nuclear Equations, including for Alpha and Beta decay It can be dangerous, but is also vital to life. Radioactivity - the spontaneous decomposition or disintegration of a nucleus forming a different nucleus and producing one or more additional particles Radioactive decay. Radioactive decay is a random event The unstable nuclei in some materials will break up, or disintegrate It is impossible to predict exactly which nuclei will decay. neutron-absorbing rods usually made of cadmium or boron that help control the reaction by limiting the number of free neutrons, gaps between the fuel rods and control rods such as carbon or heavy waterused to slow down the fast neutrons produced by fission. Hide Show resource information. the nuclear radiation that arises naturally from cosmic rays and from radioactive isotopes in the soil and air, the amount of radiation the material emits per second, Device used to detect radiation using its ability to ionize matter. Nuclear Radiation - Unstable isotopes emit particles from their nucleus. describe the nature of gamma () particles: very small (photons), can travel through paper and aluminum, stopped partially by lead, are electromagnetic radiation with a very short wavelength, very penetrating and not very ionising, a positively charged particle identical to a helium nucleus, a spontaneous process in which unstable nuclei lose energy by emitting radiation, any form of radiation that has the ability to remove electrons from atoms and molecules, an electron from the nucleus after a neutron, Short wavelength, higher energy electromagnetic waves emitted by the nuclei of radioactive substances, a high-energy neutron is released from a nucleus so mass number decreases by 1, atomic number stays the same, isotope is made, the nucleus loses 2 protons and 2 neutrons therefore the atomic number decreases by 2, the neutrons turns into a proton and electrons however the mass number doesn't change but atomic number increases by one, the nucleus loses a neutron therefore the mass number decreases by 1 however the atomic number stays the same. It is stopped by a few millimetres of aluminium. to IGCSE to physics 0625 Radioactivity Radioactive Decay Radioactive is a spontaneous transformation of an unstable atomic nucleus, in which radiation is released in the form of alpha particles, beta particles, and gamma rays. Seller: nicugoc-37 (3) 100%, Location: London, GB, Ships to: WORLDWIDE, Item: 394305011455 PhysicsAndMathsTutor GCSE Physics Hazards & Use of Radioactivity 1 - Topic 4. GCSE Edexcel Radioactivity Part of Physics (Single Science) 5 learner guides Atoms - Edexcel Revise Test Nuclear radiation - Edexcel Revise Test Uses and dangers of radioactivity -. Add to basket. (a) What is the speed of one particle as seen by the other particle? There is also an additional lesson which challenges the students on their knowledge of the 21 Physics equations As it decays inside, the body will emit ionising radiation that damages cells and tissue. Physics Radioactivity 2 MS(1) 0.00. energy that is radiated or transmitted in the form of rays or waves or particles. Why does nuclear fusion require high temperatures? Section 5.2 Radioactivity Detection of radioactivity. Radioactivity. This bundle of 9 revision lessons uses a range of exam questions (with explained answers), differentiated tasks and quiz competitions to engage the students whilst challenging their knowledge of the content in the Pearson Edexcel IGCSE Physics specification: used in the treatment of cancer, testing equipment and sterilising medical instruments. IAq] @2K<1yTL8q NoAla:W Nuclear Equations - These show what happens when alpha, beta and gamma are emitted. I am constantly thinking of new ways to engage a student with a topic and try to implement that in the design of the lessons. Electron configuration in an atom affects the chemical and physical properties of an element. Report this resourceto let us know if it violates our terms and conditions. Other materials such as control rods or metal jackets become radioactive due to the neutron radiation and remain radioactive because of long half-lives from the new isotopes. describe the nature of beta () particles: small particles, can travel through paper, stopped by aluminum a few mm thick, are electrons emitted when a neutron splits, fairly penetrating and fairly ionising. Atoms with the same number of protons but different numbers of neautrons. this is difficult as nuclei will repel being like charges. Beta Radiation a device that initiates and maintains a controlled nuclear fission chain reaction to produce energy for electricity. Topic 4: Electricity and Magnetism. , how long will it be before the hydrogen is entirely consumed? Nuclear Radiation - Unstable isotopes emit particles from their nucleus Nuclear Equations - These show what happens when alpha, beta and gamma are emitted Background Radiation - You can't escape it, you are currently being irradiated Makes me really happy that the lesson fits with the needs of the moment! What is background radiation physics? GCSE Revision Physics Radioactivity Radioactivity This section covers Atomic Structure Background Radiation Isotopes Alpha, Beta and Gamma Uses of Radiation Nuclear Fission Nuclear Energy Chain Reactions Click on the resources below for for more details. Thank you for this feedback and I'm really pleased to hear that you liked the lesson! So the opposite charges of protons and electrons balance each other, producing a zero net charge. the number of protons in the nucleus of an atom, the sum of the number of neutrons and protons in an atomic nucleus, they have identical numbers of protons and electrons. Papers 1-6. This cookie is set by GDPR Cookie Consent plugin. what are the dangers of radioactive materials? cookielawinfo-checkbox-others. Topic 5: Solids, liquids and gases Topic 6: Magnetism and electromagnetism Every second of the day there is some radiation emanating from natural sources such as: Rocks. 0.0 / 5. 1 0 obj Empty reply does not make any sense for the end user. This GCSE Physics radioactivity quiz will challenge you on atoms and radiation. - Radioactive tracer put in body (swallowed/injected) - Detector put around body - Computer generates an image Gauging: - Coal absorbs a lot of radiation - If only a small amount of radiation is detected back after it is reflected by what you are trying to gauge, lots of coal is present. The cookie is used to store the user consent for the cookies in the category "Other. Related products. 2.0\times10^{30}kg Radioactivity The atoms of some substances are unstable and they give out radiation from their nuclei all the time, whatever is done to them. A beta particle is a high speed electron.It is produced when a neutron has decays into an electron and proton.It is moderately ionising. The detailed PowerPoint and accompanying resources contain exam-style questions with clear explanations of answers, differentiated tasks, class discussions and quiz competitions. .VCE Physics unit 1. patrick. The electron escapes in the form of a beta particle and the proton joins with other protons in the nucleus. A change will occur in the nucleus to make it more stable. St Pauls Place, Norfolk Street, Sheffield, S1 2JE, Use the following units: becquerel (Bq), centimetre (cm), hour (h), minute (min) and second (s), Describe the structure of an atom in terms of protons, neutrons and electrons and use symbols to represent isotopes, Know the terms atomic (proton) number, mass (nucleon) number and isotope, Know that alpha () particles, beta () particles, and gamma () rays are ionising radiations emitted from unstable nuclei in a random process, Describe the nature of alpha () particles, beta () particles, and gamma () rays, and recall that they may be distinguished in terms of penetrating power and ability to ionise, Describe the effects on the atomic and mass numbers of a nucleus of the emission of each types of radiation, Understand how to balance nuclear equations in terms of mass and charge, Know that the activity of a radioactive source decreases over a period of time and is measured in becquerels, Know the definition of the term half-life and understand that it is different for different radioactive isotopes, Use the concept of the half-life to carry out simple calculations on activity, Know that nuclear reactions, including fission, fusion and radioactive decay, can be a source of energy, Understand how a nucleus of U-235 can be split (the process of fission) by collision with a neutron, and that this process releases energy as kinetic energy of the fission products, Know that the fission of U-235 produces two radioactive daughter nuclei and a small number of neutrons, Describe how a chain reaction can be set up if the neutrons produced by one fission strike other U-235 nuclei, Explain the difference between nuclear fusion and nuclear fission, Describe nuclear fusion as the creation of larger nuclei resulting in a loss of mass from smaller nuclei, accompanied by a release of energy, Know that fusion is the energy source for stars. radiation is ionising which can kill living cells. The Sun has very high temperatures which means the nuclei of gases in the Sun move at high speeds. Radioactive decay is a random process which gives out heat. Free high-quality revision notes for EDEXCEL IGCSE Physics 4ph1 Theory, covering all the modules and updated to the latest syllabus specifications. 1. 11. For iGCSE double science and GCSE Physics Edexcel + CIE Motion Graphs Speed + Acceleration Forces + Weight Stopping Distances (Edexcel) Balancing Forces Moments (CIE) Particles + Matter (CIE) Density Pressure (Edexcel) Series + Parallel Components (Edexcel) Resistance Charge Energy Stores GPE + KE Efficiency Energy Resources (CIE) Heat Transfer Atoms & Radioactivity. section 7: radioactivity and particles b) radioactivity describe the structure of an atom in terms of protons, neutrons and electrons and use symbols such as 146c to describe particular nuclei understand the terms atomic (proton) number, mass (nucleon) number and isotope understand that alpha and beta particles and gamma rays are ionising Atoms [FREE]-Never trust an atom - they make up everything! 11 months. What is Radioactivity?. Get instant access for a simple one-off payment of just 19.99. Topic 8: Astrophysics If you want to see the quality of the lessons, download the topic 1 and 7 and equations revision lessons as these are free, This bundle of fully-resourced revision lessons will engage and motivate the students whilst they assess their understanding of the content of topics 5 - 8 of the Pearson Edexcel IGCSE Physics specification. This is a detailed and engaging REVISION lesson which is fully-resourced and uses a range of exam questions, understanding checks, quick tasks and quiz competitions to enable students to assess their understanding of the content within topic 7 (Radioactivity and particles) of the Pearson Edexcel IGCSE Physics 9-1 specification . It can be absorbed by a thin sheet of metal such as aluminium. Radioactivity is basically a way for the nuclei (plural of nucleus) of atoms to become more stable. 2. Waves. Our customer service team will review your report and will be in touch. Topic 7: Radioactivity and particles These instabilities in the nucleus arise when there are too many or too little neutrons in the nucleus, usually in isotopes of atoms that have I high mass. Radioactivity D l^ Z u 2 Level IGCSE ExamBoard CIE Topic Atomic Physics Sub-Topic Radioactivity Paper Type (Extended) Theory Paper Booklet D l^ Z u 2 Time Allowed: 57 minutes Score: /47 Percentage: /100 Subject Physics www.igexams.com. Topic 2: Thermal Physics. Two atomic particles approach each other in a head-on collision. brandenz1229. <>stream Some images used in this set are licensed under the Creative Commons through Flickr.com.Click to see the original works with their full license. In this section we look inside the atom and the subatomic world. Radioactivity is a random process. 2.10 \times 10 ^ { 18 } \mathrm { m } / \mathrm { s }
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