1. Scientific Measurement Chapter 3 Wilbraham, Antony C., Dennis D. Staley, Michael S. Matta, and Edward L. Waterman. Prentice Hall Chemistry. 1st ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2008.

2. 3.3 Dimensional analysis Conversion factor – is a ratio of equivalent measurements. ◦ 1000 m = 1 km

3. Conversions Practice Convert 80 mi/hr to km/hr Convert 45 mi/gal to km/L Convert $2.00/L to $/gal

4. In-class Practice You are to utilize the recipe given to you. You are in-charge of making sure that the baker has enough supplies on hand to bake the cake for 100 people. 1. You need to determine how much of each ingredient you will need. 2. You will need to determine what volume/mass of the ingredients you will need to buy from the grocery store.

5. Conversions and useful info. Baking conversions Vegetable oil by the gal, or L Flour by 1 lb or 5 lb bag Sugar by 4 lb or 10 lb bag Buttermilk by the gal, ½ gal, or pint Vinegar by the gal, ½ gal, or pint Vanilla by the pint or L Butter 4 sticks to a box Confectioners’ sugar by the 1lb or 2 lb bag