Name______________ Partner_______________ Date: _____   Period:__________

Before Chewing

 

1. Brand Name:____________________          Brand Name:____________________                 

2. Flavor ________________                                        Flavor ________________

 

3. Total mass of wrapped bubble gum:______g    Total mass of wrapped bubble gum:______g

 

4.                        mass of gum wrapper:______g                      mass of gum wrapper:______g

 

5.                          mass of bubble gum:______g                         mass of bubble gum:______g

 

6.  Average mass of gum + wrapper:______g   

 

7. Average mass of one piece of gum: _______g  [ A ]

 

After Chewing

8. Total mass of bubble gum + wrapper:______g    Total mass of bubble gum + wrapper:______g

 

9.           mass of bubble gum - wrapper:______g                mass of bubble gum - wrapper:______g

 

10. Average mass of one piece of chewed bubble gum:______g   [ B ]              

 

11. Average mass of sweetener in one piece of gum:______g      [ C ]       [ A - B = C ]

 

12. Percentage of sweetener and flavoring in gum: ______%    [ C/ A ] = %

 

13. How does this compare with other lab groups with the same brand of gum?____________

 

14. How does this compare with other lab groups with a no sugar brand or sugar brand of gum?________________________________________________________________________________

Questions:

  1. What was the difference in percentage of sweetener depending upon the flavor of the gum? ____

 

  1. How many calories of energy could you get from one piece of bubble gum if every gram of sugar

       sweetener provides 3.8 calories? _____ so [ C * 3.8 ] = ___________ calories.

 

  1. After chewing, what effect would the saliva on the gum have on the calculation of percentage of sweetener? _____________ 

                        

  1. After chewing, what effect would the saliva on the gum have on the ability to make an accurate comparison of amounts of sweetener in different brands and flavors of gum? __________

 

  1. Many dentists believe that chewing bubble gum is harmful to the teeth.  How could chewing gum harm teeth?________________________________  

  

How could it be helpful? _____________________