Topic B4: Community level systems (OCR Gateway A GCSE Combined Science)

This bundle of 5 lessons covers the majority of the content in Topic B4 (Community level systems) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include:

Ecosystems
Abiotic and biotic factors
Ecological relationships
The carbon cycle
The nitrogen cycle
Decay and decomposition

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. It is estimated that this bundle would cover about 3 week’s worth of lessons.