Topic P4.3: Radioactivity (OCR Gateway A GCSE Combined Science)

This bundle of 7 lessons covers most of the content in sub-topic P4.3 (Radioactivity) of the OCR Gateway A GCSE Combined Science specification. The topics or specification points covered within these lessons include:

Atomic nuclei
Isotopes
Unstable nuclei and emitting particles or gamma rays
Writing balanced equations to represent decay
The concept of the half-life
The different penetrating powers of alpha, beta and gamma
Recall the differences between irradiation and contamination

All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.