Elapsed Time Radius of Purple Circle in Millimeters

initial _

1 minute _

2 minutes _

3 minutes _

4 minutes _

5 minutes _

6 minutes _

7 minutes _

8 minutes _

9 minutes _

10 minutes _

2. Prepare a graph that illustrates the diffusion distance of potassium permanganate in 10 minutes.

3. Explain your graph.

50

45

40

.2

1

35

1

30

o

o

25

รด

o

20

s

iu

"U

15

ra

DC

10

5

4. Briefly define diffusion.

Critical Thinking Application

Indicate which of the following provides an example of diffusion by answering yes or no. 1. A perfume bottle is opened and soon the odor can be sensed in all parts of the room._

2. A sugar cube is dropped into a cup of hot water and, without being stirred, all of the liquid becomes sweet tasting._

3. Water molecules move from a faucet through a garden hose when the faucet is turned on._

4. A person blows air molecules into a balloon by exhaling forcefully._

5. A crystal of blue copper sulfate is placed in a test tube of water. The next day the solid is gone, but the water is evenly colored._

Essentials of Human Physiology

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