A series of free GCSE/IGCSE Physics Notes and Lessons.
Irradiation and contamination
What is meant by irradiation and by radioactive contamination?
Describe the hazards associated with these.
Describe the precautions we can take against these hazards.
Nuclear radiation in medicine
How nuclear radiation can be used in medicine?
Radioactive tracers and the features of a good tracer.
Explore how the half-life of a radioactive isotope affects how hazardous it is.
Explore how radiation can be used to control or destroy cancer.
Irradiation and contamination
What is meant by irradiation and by radioactive contamination?
Describe the hazards associated with these.
Describe the precautions we can take against these hazards.
How nuclear radiation can be used in medicine?
Radioactive tracers and the features of a good tracer.
Explore how the half-life of a radioactive isotope affects how hazardous it is.
Explore how radiation can be used to control or destroy cancer.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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