Radioactivity & Half life ~ (GCSE 9-1) AQA Physics Paper 1
Radioactive particles are unstable. In order to become stable they release alpha, beta or gamma particles. This is in the paper 1 physics section of your combined science GCSE.
Free Chemistry 1 Flash Cards: https://drive.google.com/drive/folder...
Revision timetable: https://drive.google.com/drive/folder...
Cornell Note Template: https://drive.google.com/drive/folder...
⏱️TIMESTAMPS:
0:00 – Previously on Physicsball Z
0:57 – Retrieval questions
1:25 – Models of the atom
3:40 – How was radioactivity discovered?
5:25 – What are alpha particles?
6:07 – How was the nucleus discovered?
7:44 – Why do atoms give off radiation?
8:59 – What is the activity of an atom?
11:00 – What are the three types of radiation?
11:58 – What is alpha decay?
13:55 – What is beta decay?
15:40 – What is half-life?
18:38 – Lesson done!
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