HW # 54- Work on your study guide Due Day Three (1/17)-Thursday

Warm up

- If a membrane is selectively permeable, what does that mean?

Cell Analogy Essay Revisions- center of the table

Week 17, Day One

Warm up Response

-A selectively permeable membrane means that some substances can pass through the membrane while others cannot.

Homework Response/CheckIf you would like me to score your revised Cell Analogy Essay, please put a copy of your old essay (and any other drafts that you have) AND the grading rubric in the stack on my desk. This way, I will know that you want me to check your GoogleDoc file.

Goals for Today

• Concentrations

• Begin Potato Lab

• Size Line (like a time line, but with size instead)

Concentrations

-Ratio, compares two numbers

EX: 5g of sugar in 1L of water 5g:1L or 5g/L

7g of sugar dissolved in 1L of water 7g:1L or 7g/L

What about 60g of sugar in 3L of water?60g:3L = 20g:1L or 60g/3L = 20g/L

http://learn.genetics.utah.edu/content/begin/cells/scale/

Begin the Potato Lab

If you complete your set up, work on your study guide

In class, we have been studying __________________.**Write 1 to 2 sentences and summarize how that information relates to the lab we have just conducted. During this lab, I was trying to determine if ________. I thought this because _______________________. My data supported/did not support my hypothesis. If you produced data that supported your hypothesis, explain why. If the data produced does not support your hypothesis why might that have happened? Write a sentence or two about that here. I will use the information I learned from this experiment...I would like to learn more about this subject because ____ . I still have a question about the topic we are studying. I am wondering ____.