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.