PearsonEdexcelINTERNATIONALGCSEScience (Double Award)(9-1)SPECIFICATIONPearson Edexcel International GCSE in Science(Double Award)(4SD0)For first teaching September 2017First examination June 2019Issue 3Edexcel,BTEC and LCCI qualificationsEdexcel,BTEC and LCCI qualifications are awarded by Pearson,the UK's largest awardingbody offering academic and vocational qualifications that are globally recognised andbenchmarked.For further information,please visit our qualification websites atqualifications.pearson.com.Alternatively,you can get in touch with us using the details onour contact us page at qualifications.pearson.com/contactusAbout PearsonPearson is the world's leading learning company,with 22,500 employees in more than70 countries working to help people of all ages to make measurable progress in their livesthrough learning.We put the learner at the centre of everything we do,because whereverlearning flourishes,so do people.Find out more about how we can help you and yourlearners at qualifications.pearson.comAcknowledgementsThis specification has been produced by Pearson on the basis of consultation with teachers,examiners,consultants and other interested parties.Pearson would like to thank all thosewho contributed their time and expertise to the specification's development.References to third-party material made in this specification are made in good faith.Pearson does not endorse,approve or accept responsibility for the content of materials,which may be subject to change,or any opinions expressed therein.(Materials may includetextbooks,journals,magazines and other publications and websites.)All information in this specification is correct at time of publication.ISBN9781446931219All the material in this publication is copyrightPearson Education Limited 2021Summary of Pearson Edexcel International GCSEin Science (Double Award)(4SD0)specificationIssue 3 changesSummary of changes made between previous issue and thisPagecurrent issuenumberThe following relationship and the corresponding formula have been86removed from Appendix 8:Physics formulae for relationships as thisinformation is redundant:(9)the relationship between the moment of a force and its perpendiculardistance from the pivot:moment force x perpendicular distance from the pivotSubsequent relationships listed in the appendix have been renumberedaccordingly.The relationship between charge,current,voltage,resistance and electricalpower (now numbered as 9)has been amended to include the formula forenergy transferred,covered in the specification.It now reads as follows:(9)the relationship between charge,current,voltage,resistance,energyand power:charge current x timevoltage current x resistanceelectrical power voltage x currentenergy transferred charge x voltageEarlier issue shows previous changes.If you need further information on these changes or what they mean,contact us via ourwebsite at:qualifications.pearson.com/en/support/contact-us.html.