Students observe movement across membranes and relate it to transport and excretion. Students observe osmosis and diffusion in raisins, an egg, and potato slices soaked in water and other substances.

Student Resources

• 6.1 Vocabulary
• 6.2 Diffusion and Osmosis
• 6.3 Osmosis in an Egg
• 6.4 Osmosis in a Potato
• 6.5 Organs in the Urinary System
• 6.6 Section 6 Assessment