Introduction to Diffusion and Osmosis

This scrollable interactive introduces the concepts of diffusion, osmosis, and concentration gradient. It also discusses how to apply these concepts to a cell to explain the terms hypotonic, hypertonic, and isotonic.

Topics

  • AP
  • AP Biology
  • AP Bio
  • next generation science standards
  • NGSS
  • passive transport
  • diffusion
  • osmosis
  • concentration
  • high concentration
  • low concentration
  • concentration gradient
  • equilibrium
  • random motion
  • net movement
  • tonicity
  • hypertonic
  • hypotonic
  • isotonic
  • red blood cell
  • cell
  • water molecules
  • dye molecules
  • selectively permeable membrane
  • semipermeable membrane
  • solute concentration
  • gas molecules