Samantha+I

Samantha Infante Block C November 8, 2010 DYO #1:

__Background:__ Some fats are good and some are bad, like saturated fat. Saturated fats are bad and unsaturated fats are good for your body. Good fats help your body develop and make sure everything is running OK and bad fats make you gain weight. __Purpose:__ We would like to see how much fat is in cheese doodles. __Materials:__ · __Acetone__ · __Beaker__ · __Graduated Cylinder__ · __Cheese Doodles__ · __Petri dish__ · __Stirrer__ __Procedure:__ 1: Weigh the beaker 2: Add 5g of the food to the beaker 3: Record the weight of the beaker 4: Add 10 ml of acetone into the beaker 5: Stir until well mixed (1 minute) 6: Let it settle for 1 minute 7: CAREFULLY pour out **__only__** the acetone into the Petri dish 8: Make sure food stays I the beaker 9: Add another 10 m of acetone into the beaker and repeat 10: Put Petri dish in a well ventilated area 11: Allow to dry overnight

__NEXT DAY__

1: Weight the beaker with the remaining of food inside

2. Clean the beaker

3.Calculate the weight difference and record it on the data

4: Observe and record the appearance of the fat in the Petri dish

__Conclusion__: in the lab we learned that Cheese Doodles has fat. we learned this by putting acetone in it to separate the amount of fat from the food. the data makes sense because we tested this the right way. to prove this we can test the Cheese Doodles again or we can test the nutrition facts and compare results.