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Diffusion & Osmosis Worksheet

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20

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Simple Diffusion and Osmosis worksheet

Vocabulary

Semi or Selectively Permeable Membrane—cell membrane name that tells how it only lets some things through it

Osmosis—diffusion of water through a semi-permeable membrane

Diffusion--movement form an area of higher concentration to an area of lower concentration

Concentration--the amount of something in a certain area

Hypertonic-- any solution that has more solute and less water than the inside of a cell. It causes more water to flow out of the cell than into it so the cell will shrink/shrivel.

Hypotonic—any solution that has less solute and more water than the inside of a cell. It causes more water to flow into the cell than out so the cell will swell and sometimes burst.

Isotonic—solution that has same amount of solutes and water as inside the cell so the is in dynamic equilibrium and is not affected

Dynamic Equilibrium—when there is continuous movement but no change

Concentration Gradient—movement going from high concentration to low concentration (diffusion)

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Pitanje 1

1.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 2

2.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 3

3.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 4

4.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 5

5.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 6

6.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 7

7.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 8

8.

A selectively permeable membrane

B concentration

C diffusion

D osmosis

Pitanje 9

9.

Compare arrow sizes in diagrams which represent water movement which is determined by amount of solute in solution compared to solute mount inside the cell

A

B

C

Pitanje 10

10.

Compare arrow sizes in diagrams which represent water movement which is determined by amount of solute in solution compared to solute mount inside the cell

A

B

C

Pitanje 11

11.

Compare arrow sizes in diagrams which represent water movement which is determined by amount of solute in solution compared to solute mount inside the cell

A

B

C

Pitanje 12

12.

A moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 13

13.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 14

14.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 15

15.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 16

16.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 17

17.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 18

18.

A Moves oxygen into cells

B swollen plant cell

C Allows some substances through

D shrivelled plant cell

E Amount of substance in a certain place

F normal plant cell

G Moves water into and out of cells

Pitanje 19

19.

Read and answer the question. (Hint: we are learning about isotonic, hypertonic and hypotonic solutions effect on cells)

Pitanje 20

20.

Read and answer the question. (Hint: we are learning about isotonic, hypertonic and hypotonic solutions effect on cells)