Place Vitamin C lab report on front desk. Warm-Up 10/23/14 Place Vitamin C lab report on front desk. From the beaker, pick a piece of paper. Tell Ms. Au-Yeung which one you picked.

Understanding Bacteria Objective 10/23/14 Understanding Bacteria Agenda 10/23/14 Debrief Vitamin C Lab Debrief Documentaries Food Safety Intro

Place Vitamin C lab report in basket. Warm-Up 10/23/14 Place Vitamin C lab report in basket. From the beaker, pick a piece of paper. Tell Ms. Au-Yeung which one you picked.

Debrief Vitamin C Lab Should have handed in (one per person): -Lab Data -Post-Lab Questions Calculate the amount of vitamin C in each of the two food samples using your data and the following equation: avg. mL of KIO3 for tablet = avg. mL of KIO3 for sample 60 mg vit. C in tablet [x] mg vit. C in sample

3) How does this compare to your answer to #1? Post-Lab Questions 2) If the recommended daily allowance (RDA) of vitamin C is 60 mg, how much does each of your samples provide? Show your work. 3) How does this compare to your answer to #1?

Debrief Documentaries Milk Documentary The Perfect Human Diet Documentary

Who has ever been affected by a foodborne illness? Food Safety Intro Show of hands… Who has ever been affected by a foodborne illness?

If this percentage is true for the whole school… Food Safety Intro If this percentage is true for the whole school… How many students at CHAMPS would have been affected by a foodborne illness?

Source: Centers for Disease Control and Prevention Foodborne Illness in the U.S. (1999) 76 million illnesses 325,000 hospitalizations. 5,000 deaths Source: Centers for Disease Control and Prevention If there are approximately 274 million people in the U.S., what percentage experienced a foodborne illness?

2) Do they follow the same path? With a partner… 1) List the path that each of these foods took to get to the final destination. 2) Do they follow the same path?

Farm-to-Table Continuum Compare Farm-to-Table Continuum Who is responsible??

4) What does DNA have to do with bacteria? What does it tell us? Dr. X https://www.youtube.com/watch?v=j8YfUEzBQ20 1) What 4 weapons does Dr. X use to fight harmful bacteria? 2) What is the significance of the mysterious O157:H7? 3) What is Dr. X referring to when he talks about the "baddest of the bad"? 4) What does DNA have to do with bacteria? What does it tell us?

The “Baddest of the Bad” With your partner(s), come up with a couple of questions that you might need to answer in order to become “super science sleuths” Divide the questions on the handout among yourselves. Start bringing in resources that answer these questions.

Homework You have a poster of “Unwanted Bacteria”. Create a poster of “Wanted Bacteria.” Include where these might be found. Due Monday, 10/27/14