Science (Grade 8 Recap)
Cells & Systems: animal vs plant cells; human body systems (digestive, respiratory, circulatory).
Fluids: buoyancy, density, viscosity, flow rate.
Optics & Light: reflection, refraction, lenses, mirrors.
Mechanical Systems: levers, pulleys, gears, efficiency.
Water Systems: fresh vs saltwater, currents, water cycle.
Chemistry Basics: particle theory of matter, physical vs chemical change.