1. Osmosis
• Water moves from high water
concentration to low water concentration
• Which way is the water moving left or right
through the partially permeable
membrane.
Key idea: Concentration
Movement happens when there is a difference between two sides.

2. •Which way is the water moving left or right?
Left Right
solute
water
1 Partially permeable membrane

3. •Which way is the water moving left or right?
Left Right
solute
water
2 Partially permeable membrane

4. •Which way is the water moving left or right?
Left Right
solute
water
3 Partially permeable membrane

5. •Which way is the water moving left or right?
Left Right
water
4 Partially permeable membrane

6. •Which way is the water moving left or right?
Left Right
solute
water
5 Partially permeable membrane

7. •Which way is the water moving left or right?
Left Right
solute
water
6 Partially permeable membrane

8. •Which way is the water moving left or right?
Left Right
solute
water
7 Partially permeable membrane

9. •Which way is the water moving left or right?
Left Right
solute
water
8 Partially permeable membrane

10. •Which way is the water moving left or right?
Left Right
water
9
Partially permeable membrane

11. •Which way is the water moving left or right?
Left Right
water
9
Partially permeable membrane

12. •Which way is the water moving left or right?
Left Right
solute
water
10 Partially permeable membrane