Unit Award Scheme
122586 ATOMIC ENERGY
In successfully completing this unit, the Learner will have | Evidence needed | |
|---|---|---|
demonstrated the ability to | ||
| 1 | describe the basic structure of an atom and how the distance of the charged particles vary with the absorption or emission of electromagnetic radiation | Summary sheet and/or student completed work |
| 2 | define the terms 'electrons', 'neutrons', 'protons', 'isotopes' and 'ions' | Summary sheet and/or student completed work |
| 3 | state the key differences between the three isotopes of hydrogen given the conventional representations of their identities, charges and masses | Summary sheet and/or student completed work |
| 4 | describe the main ways the atomic model has changed over time due to new experimental evidence, including the discovery of the atom and the scattering experiments and the work of James Chadwick | Summary sheet and/or student completed work |
shown knowledge of | ||
| 5 | the activity of a radioactive source being the rate at which its unstable nuclei decay is measured in Becquerel (Bq) by a Geiger-Muller tube | Summary sheet and/or student completed work |
| 6 | the composition of alpha and beta particles and gamma rays, including giving a use for each type of radiation | Summary sheet and/or student completed work |
demonstrated the ability to | ||
| 7 | describe the penetration through materials, the range in air and the ionising power for alpha particles, beta particles and gamma rays | Summary sheet and/or student completed work |
| 8 | evaluate the best sources of radiation to use in a given situation | Summary sheet and/or student completed work |
| 9 | complete at least two balanced nuclear equations by balancing the atomic numbers and mass numbers | Summary sheet and/or student completed work |
| 10 | define the term half-life with respect to a radioactive isotope | Summary sheet and/or student completed work |
| 11 | define the terms 'contamination' and 'irradiation' | Summary sheet and/or student completed work |
| 12 | compare the main hazards associated with contamination and irradiation and outline at least two suitable precautions taken to protect against any hazard | Summary sheet and/or student completed work |
| 13 | discuss the key importance of publishing the findings of studies into the effects of radiation on humans and sharing findings with other scientists so that they can be checked by peer review. | Summary sheet and/or student completed work |
All outcomes recorded on an AQA Summary Sheet
Approved 28 November 2024Level - Level One