1. December 10, 2014 Homework: Work on study guide- Test Wednesday Dec. 17 th- Research how long certain leftover foods can be left in the refrigerator before going, “bad,” or spoiling? Use link on my website- On my homework calendar- Click today's date Do Now:  Open textbook to pg. 35  Open binder to pg. 48- Answer figure 19 question from pg. 35

2. Sharpen your Skills! T.B. Pg. 36 Follow directions for the activity (your cubes are already cut for step 3)-  Record your data on pg. 48/49- in the data table  Then…. Answer questions 4 & 5

3. Steel Wool vs. Iron Nail Which had greater corrosion (rusting)? Why?

4. Explain Why? Why are foods like milk, meats, and vegetables kept cool? -To keep them from spoiling Does food ever spoil in the refrigerator? -----Yes The reactions that spoil food (growth of bacteria) slow down at lower temperatures

5. Temperature Heating a substance makes its particles move faster. Faster moving particles increases the rate of reactions in two ways: 1) They come in contact more often- more chances for a reaction to happen 2) Have more energy -----This energy lets reactants get over the energy “hump.”

6. How Bright will it Glow?? What changes did you observe in the glow stick in the hot water verses the glow stick in the cold water? Why do you think this happened?

7. December 11, 2014 Homework: Section 3 Review pg. 37- questions 1,2,3, Work on study guide- Test Wednesday Dec. 17 th Do Now: Take a white board, marker (if needed) and eraser Open binder to pg. 49- write your H.W response food info on the white board.

8. Pair and Share Leave your binder open – For me to check H.W Walk around the room and share your information with someone… Find someone in your same/ similar food group and sit together.

9. Answer with your groups -What is the time frame to keep your groups food/ leftovers before they go bad? -Why should people follow this timeline? What can happen if they don’t? Group response on White board- http://kidshealth.org/kid/ill_injure/sick/food_poisoning.html# http://www.foodsafety.gov/keep/charts/storagetimes.html