Organ systems; machines transfer force and energy; Earth materials change through the rock cycle
Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Human body systems: digestive, musculoskeletal, respiratory and circulatory
Solutions and solubility
Simple machines; force and energy transfer; power
The rock cycle; local earth materials; sustainable resource practices in B.C.; First Peoples views of interconnectedness