New GCSE AQA Physics lesson on 'Radioactivity and Half-life ' written in line with new AQA Physics specification.
Starter poses two interesting questions in relation to a continuous doubling effect linking to the mathematics of the lesson and inverse of half-life.
A quick recap on isotopes and different types of radiation is provided to keep key concepts in pupils minds.
The coin flip (heads or tails) activity is detailed to get students to carry out this activity and collect data to plot the results from to show a 'half-life curve'. Following the explanation of random events the pupils are given the task of recording nuclear decays in relation to video shown on youtube. This then allows a direct link to be made to a half-life graph to nuclear decay. This then leads to the review of half-life graph review questions.
Learning Objectives for Half-life lesson:
1) Review what is meant by isotope and how this is radioactive.
2) Understand the ‘random’ nature of radioactive decay.
3) State and explain what is meant by ‘half-life’.
4) Determine the half-life of different isotopes using given information.
The lesson is summarised with review questions on the content covered.
Starter poses two interesting questions in relation to a continuous doubling effect linking to the mathematics of the lesson and inverse of half-life.
A quick recap on isotopes and different types of radiation is provided to keep key concepts in pupils minds.
The coin flip (heads or tails) activity is detailed to get students to carry out this activity and collect data to plot the results from to show a 'half-life curve'. Following the explanation of random events the pupils are given the task of recording nuclear decays in relation to video shown on youtube. This then allows a direct link to be made to a half-life graph to nuclear decay. This then leads to the review of half-life graph review questions.
Learning Objectives for Half-life lesson:
1) Review what is meant by isotope and how this is radioactive.
2) Understand the ‘random’ nature of radioactive decay.
3) State and explain what is meant by ‘half-life’.
4) Determine the half-life of different isotopes using given information.
The lesson is summarised with review questions on the content covered.
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