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Grades 612. Explore density with these colorful activities and help students improve their graphical analysis skills. Students create a tabletop rainbow sugar solution density column and determine the percent sugar in a grape juice sample. Extend the lesson to determine percent sugar in other sugar-sweetened beverages (not included). Value kit materials support 4 classes of 32 students each working in pairs.
Grades 612. Explore the property of density through a tabletop rainbow sugar solution density column and through a graphical analysis determination of percent sugar in grape juice. Challenge students to apply the methods used in this lab to determine percent sugar in other sweetened beverages (not included). Needed but not supplied: empty 1- or 2-L soda bottles, test tube racks, distilled or deionized water, and common laboratory supplies. Value kit materials support 4 classes of 32 students each working in pairs.
|Disposable Culture Tubes, 18 x 150 mm||16||Included|
|Plastic Cups, 1.25 oz||80||Included|
|Graduated Cylinders, 10 mL||16||Included|
|Grape Juice, 10-oz Bottle||1||Included|
|Sugar, 2.5-lb Bag||1||Included|
|Food Coloring, Pack of Assorted Colors||1||Included|
|Digital Resource Instruction Card||1||Included|
|Teacher’s Manual with Reproducible Student Guide||1||Included|
|Empty 1- or 2-L Bottles with Caps||16||Needed, Not Included|
|Test Tube Racks||16||Needed, Not Included|
|Permanent Markers||16||Needed, Not Included|
|Electronic Balances (with 0.01-g sensitivity), Class Set||1||Needed, Not Included|
|Distilled or Deionized Water||Needed, Not Included|
|Rulers (optional)||16||Needed, Not Included|