THIS IS A LEGACY SPECIFICATION H Thursday 26 January 2012 – Morning GCSE GATEWAY SCIENCE ADDITIONAL SCIENCE B B623/02 Unit 1 Modules B3 C3 P3 (Higher Tier) * B 6 2 0 7 6 0 1 1 2 * Candidates answer on the Question Paper. A calculator may be used for this paper. Duration: 1 hour OCR supplied materials: None Other materials required: • Pencil • Ruler (cm/mm) * B 6 2 3 0 2 * INSTRUCTIONS TO CANDIDATES • • • • • • Write your name‚ centre number
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w w ap eP m e tr .X w om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education *9505164189* 0653/03 COMBINED SCIENCE May/June 2007 Paper 3 (Extended) 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen
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The Democratic Republic of Congo’s (DRC) Civil War is rooted in history. Hundreds of years before their civil war‚ many people were kidnapped and forced into slavery. Ensuring a safe place aboard their own ships from disease and illness‚ European slave traders would employ the help of local tribal leaders to find people to be slaves and bring them to the coast. Slaves were usually traded for weapons to be used in conflicts with neighboring tribes. The Congo region learned early on that their inhabitants
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Dissertation Project Report Title: “Evaluation of a natural product as radiation countermeasure agent.” Dissertation Submitted to Lovely Professional University‚ Punjab In partial fulfillment of the requirement for the degree of Bachelor of Technology (Hons.) Biotechnology By Rishabh Malik- 8th Semester May 2011 CERTIFICATE OF AUTHENTICITY This is to certify that the project report entitled “Evaluation of a natural product as radiation countermeasure agent.”‚ submitted in partial fulfillment
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Law of Acceleration (1907) by Henry Adams (1838-1918) Images are not arguments‚ rarely even lead to proof‚ but the mind craves them‚ and‚ of late more than ever‚ the keenest experimenters find twenty images better than one‚ especially if contradictory; since the human mind has already learned to deal in contradictions. The image needed here is that of a new center‚ or preponderating mass‚ artificially introduced on earth in the midst of a system of attractive forces that previously
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Physics Folio Radioactivity Prepared By : Aniq Danial Bin Saharudin 5 Al – Hasseb Sekolah Menengah Sains Banting Contents No | Contents | Page | 1. | Appreciation | | 2. | Introduction | | 3. | Analysis : - Nucleus Of An Atom - Radioactive Decay - The Uses Of Radioisotopes - Nuclear Energy - The Importance Of Proper Management Radioactive
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SHOULD WE REPLACE ANIMAL TESTING IN THE MEDICAL FIELD WITH ALTERNATIVE METHODS? Affirmative Arguments: 1. Their poor reliability (more reliable alternatives) 2. Unnecessary cruelty to animals (causing controversy) Reliability/Alternatives Reliability Cigarettes were considered safe because smoking-related cancer is almost impossible to reproduce in non-human animals. The primary purpose of medical research is to promote human health‚ and the most direct research methods focus on the study of
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Cause and effect of global cancer Cancer is a leading cause of death globally. Three-quarter of cancer deaths occur in developingcountries or the third world (WHO‚ 2010). If current knowledge were put into practice‚ at least one third of cancer cases could be prevented‚ another third could be detected early‚ treated and cured; and suffering could be alleviated through palliative care for patients with advanced cancers. (WHO‚ 2009) In low- and middle-income countries‚ cancer overwhelmingly affects
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A Study of Radiation Protection Practices on Pediatric Patients during X-ray Procedures in the Radiology Department of Tertiary Hospitals in Kidapawan City A Research Study Presented to the Faculty of North Valley College Foundation Inc. Lanao‚ Kidapawan City In Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Radiologic Technology By: Frixie Marie M. Antones Pritche Ann B. Pacheco Rizza Jessica P. Muyco Anabel M. Espaňola
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&ATOMIC NUMBER AND MASS NUMBERS After reading this section you will be able to do the following: * Define and determine the atomic number of an atom. * Define and determine the mass number of an atom. What is an atom’s atomic number? The number of protons in the nucleus of an atom determines an element’s atomic number. In other words‚ each element has a unique number that identifies how many protons are in one atom of that element. For example‚ all hydrogen atoms‚ and only hydrogen atoms
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