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This PowerPoint contains everything you need to teach the Theme/Unit D2.3: Water Potential in the new IB Biology specification.
YouTube video is a preview of the full resource (does not include all slides)
This Powerpoint consists of over 45 slides and contains the followings:
All the information the IB have included in the new spec.
- Clear diagrams
- Student friendly content
- Summary videos
- Student research tasks
- Clearly identified HL and SL content
- Student checklist
- Summary
The following content is included:
D2.2.1: Explain how water is able to dissolve many substances
D2.2.2: Explain the movement of water from less concentrated to more concentrated solutions.
D2.2.3: Predict the net movement of water based on the environment of a cell.
D2.2.4: Outline the changes that occur to plant tissues bathed in hypotonic and hypertonic solutions.
D2.2.5: Explain the effects of water movement into and out of cells on cells that lack a cell wall.
D2.2.6: Explain the effects of water movement into and out of cells on cells that have a cell wall.
D2.2.7: Outline medical applications of isotonic solutions.
D2.2.8: Define the term water potential.
D2.2.9: Explain the direction that water moves in terms of water potential.
D2.2.10: Explain how solute potential and pressure potential affect the water potential within cells.
D2.2.11: Explain the changes that occur when a plant tissue is bathed in either a hypotonic or hypertonic solution in terms of solute and pressure potentials.
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