Grade 5                   
Life Systems
Matter and Materials
Energy and Control
Structures and Mechanisms
Earth and Space Systems

Grade 6
Life Systems
Properties of air and characteristics of flight
Motion
Space

Grade7
Interactions within Ecosystems
Pure substances and Mixtures
Heat
Structural strength and Stability
The Earth's crust

Grade 8  
Cells, Tissues, Organs and Systems
Fluids
Optics
Mechanical efficiency
Water systems