Executive function Critical thinking 51 Section 7: Students will be assessed on their Activity: Edexcel International GCSE Adaptability Problem solving Radioactivity and ability to: Physics: Pages 202–204, Balance examples of Executive function particles 207, 215 and 232 nuclear equations. b) Radioactivity 7.7 describe the effects on the atomic and mass numbers of a Questions in Edexcel International Class practical: nucleus of the emission of each of GCSE Physics Revision Guide: Use coins or dice to the four main types of radiation Pages 89 to 91 and Pages 103 to simulate radioactive decay. (alpha, beta, gamma and neutron 104 radiation) Demonstrations: Watch applet showing the 7.8 understand how to complete radioactive decay of a balanced nuclear equations in terms sample. of mass and charge Use a Geiger–Müller detector to detect 7.9 know that photographic film or a background radiation. Geiger–Müller detector can detect Demonstrate the penetrating ionising radiations power of ionising radiation using radioactive sources, 7.10 explain the sources of Geiger–Müller tube, lead background (ionising) radiation from sheet, thin aluminium sheet Earth and space. and paper. Problem solving Problem solving 52 Section 7: Students will be assessed on their Activities: Edexcel International GCSE Adaptability Analysis Radioactivity and ability to: Physics: Pages 212–214, 215 and Complete half-life particles 232 calculations. b) Radioactivity 7.11 know that the activity of a Use software to determine radioactive source decreases over a half-life of various sources. Radiation and half-live: period of time and is measured in ActiveBook Page 213, video clip Simulate radioactive decay becquerels using a spreadsheet Simulate radioactive decay Questions in Edexcel International using large numbers of dice. GCSE Physics Revision Guide
51 Section 7: Radioactivity and particles b) Radioactivity Students will be assessed on their ability to: 7.7 describe the effects on the atomic and mass numbers of a nucleus of the emission of each of the four main types of radiation (alpha, beta, gamma and neutron radiation) 7.8 understand how to complete balanced nuclear equations in terms of mass and charge 7.9 know that photographic film or a Geiger–Müller detector can detect ionising radiations 7.10 explain the sources of background (ionising) radiation from Earth and space. Activity: Balance examples of nuclear equations. Class practical: Use coins or dice to simulate radioactive decay. Demonstrations: Watch applet showing the radioactive decay of a sample. Use a Geiger–Müller detector to detect background radiation. Demonstrate the penetrating power of ionising radiation using radioactive sources, Geiger–Müller tube, lead sheet, thin aluminium sheet and paper. Edexcel International GCSE Physics: Pages 202–204, 207, 215 and 232 Questions in Edexcel International GCSE Physics Revision Guide: Pages 89 to 91 and Pages 103 to 104 Executive function Adaptability Critical thinking Problem solving Executive function 52 Section 7: Radioactivity and particles b) Radioactivity Students will be assessed on their ability to: 7.11 know that the activity of a radioactive source decreases over a period of time and is measured in becquerels Activities: Complete half-life calculations. Use software to determine half-life of various sources. Simulate radioactive decay using a spreadsheet Simulate radioactive decay using large numbers of dice. Edexcel International GCSE Physics: Pages 212–214, 215 and 232 Radiation and half-live: ActiveBook Page 213, video clip Questions in Edexcel International GCSE Physics Revision Guide Problem solving Adaptability Problem solving Analysis