Science Biology:
In the beginning, it is about the technical part, where you will
learn about Osmosis, Diffusion, etcetera.
In the middle, it is about plants and reproductive systems.
Towards the end, it is about twins and down syndrome.
Science Physics:
In the beginning, it is about the Newton's three laws.
In the middle, Light, Energy, etcetera.
Towards the end, it is about the Electromagnetic Spectrum,
Electricity, Ammeter, Voltmeter, etcetera.
For more details, look at the syllabus of the two subjects.