Cell Membrane & Transport

Sketch the above picture into your notebook on page 66

The notes for diffusion and osmosis go on pages 67 & 68

Water Lab pgs 64 & 65

The unique properties of water lab (this lab spans Mon and Tues)
BW
What is the chemical formula for water?
What does this formula represent?

Watch this video from the science friday website

Take notes on observations of the water

complete the activities on this sheet (goes on pgs 64 & 65)

closure -- I placed flowers into colored water overnight. Using vocabulary from the activity, predict what will happen to the flowers.

Typhoid Mary Pg 62

We watched Typhoid Mary: the Most Dangerous Women in America today.

Click on the title for information on the program

For bonus points, respond to this post with whether you think she is a victim or villain and why you think so.

Happy Thanksgiving!!!

Starch/Iodine conclusion pg 59

Use the following questions to help compose your conclusion paragraph for the starch/iodine lab

• Based on your observations, which substance moved, the iodine or the starch?


• How did you determine this?


• The plastic baggie was permeable to which substance?


• Is the baggie selectively permeable? How do you know this?


• Sketch the cup and baggie. Use arrows to illustrate how diffusion occurred in this lab


• what would happen if you did an experiment in which the iodine solution was placed in the baggie, and the starch solution was in the beaker? Be detailed in your description


• why is it not a good idea to store iodine in a plastic bag?

Egg lab Conclusion pg 58

These bullet points should be used in creating your paragraph for the egg lab conclusion

• When the egg was placed in the water, which direction did the water molecules move? Explain your answer


• Explain the volume of liquid remaining when the egg was removed from teh syrup.


• Why do grocery stores spray their fresh produce with water?


• If a shipwreched crew drank salt water, they could die. Explain why


• If a bowl of fresh strawberries is sprinkled with sugar, a few minutes later they will eb covered with juice. Explain why this happens.