Josh Rinn
How does the cookie sheet affect the percentage of cookies buned?
Procedure Plan – Scientific Method Based Projects
Problem Statement:
How does the type of cookie sheet affect the percentage of cookies burned?
Hypothesis
If I bake cookies on three different cookie sheets then the insulated cookie sheet will have
the smallest percentage of cookies burned.
Variables
Independent Variable: cookie sheet
Dependent Variable: percentage of cookies burned
Control variables: same oven, same recipe, same amount of dough, same time for that
trial, same temperature in oven,
Location:
Home
Materials:
 ¾ cup firmly packed brown sugar
 ½ teaspoon salt
 ½ butter softened
 1 cup semisweet chocolate chips
 ½ cup shortening
 cookie sheets
 1 ½ teaspoons vanilla
 oven
 1 egg
 1 ¾ cups all purpose flour
 1 teaspoon baking soda
Safety Precautions:
I need baking mits to take the cookies out of the oven so I don’t burn myself. I also need
parental super vision so I don’t get hurt in the process of my experiment.
Detailed procedures:
 1. Mix all the following ingreiants together… ¾ cup firmly packed brown sugar
 ½ butter softened
 ½ cup shortening
 1 ½ teaspoons vanilla
 1 egg
 1 ¾ cups all purpose flour
 1 teaspoon baking soda
 ½ teaspoon salt
 1 cup semisweet chocolate chips
2. set oven to 375 degrees
3. put cookies on cookie sheet in twelve cookies
4. put cookies in oven for time depended on trial
5. take cookies out of oven
6. observe
7. record data
8. enjoy
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Josh Rinn
How does the cookie sheet affect the percentage of cookies buned?
Data Table:
How does the cookie sheet affect the percentage of cookies burned?
Type of cookie Trial 1 (8 min) Trial 2 (10
Trial 3 (12
Average
sheet
min)
min)
Aluminum
Insulated non
stick sheet
Non stick sheet
Bibliography:
Josh Rinn
October 8,2010
Annotated Bibliography #1
Source:
Dragon, D. (n.d.). HOME » Food and Drink » Cooking Tips Different Types of
Cookie Sheets Yield Different Tasting Cookies . Retrieved October 7, 2010,
from Ezine Articles website: http://ezinearticles.com/
?Different-Types-of-Cookie-Sheets-Yield-Different-Tasting-Cookies&id=186863
Summary:
This article gives information on different types of cookie sheets. The three types
of cookie sheets that are given in the information are…insulated non-stick sheet,
aluminum, and non-stick cookie sheet. Insulated non-stick sheets are cookies sheets that
are non-sticking and produce more even cookies. They are made of two sheets put
together to make an air pocket for heat. The second type of cookie sheet it stated is
aluminum. Aluminum conducts heat very well so it is good for cooking. The only down
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Josh Rinn
How does the cookie sheet affect the percentage of cookies buned?
side to aluminum cookie sheets is that they don’t always get the cookie to the best stage
of brown. The last cookie sheet the article lists is a non-stick cookie sheet. Non-stick
cookie sheets are very handy because you don’t have to butter them. A bad thing that
non-stick cookie sheets have is that they are darker in color and heat really fast so you
have to turn down your oven a little.
Josh Rinn
Annotated Bibliography #2
Source: Pillsbury. (2003). Chocolate Chip Cookies. In Pillsbury Best Cookies Cook Book
(p. 27). Minneapolis, MN: Wiley Publishing.
Summary:
This article gives information and a recipe for baking cookies. The three critical
ideas in this information are, the heat, the cooking time, and the amount of cookies the
recipe makes. The heat of the oven for the recipe is 375 degrees Farenheight. For the
cooking time in the oven, the cookies should be in the oven for 8 to 10 minutes. The
third important thing that the article stated was the amount of cookies the recipe makes.
With the normal recipe it says that it makes 36 cookies.
Josh Rinn
Annotated Bibliography #2
3
Josh Rinn
How does the cookie sheet affect the percentage of cookies buned?
Source: Pillsbury. (2003). Chocolate Chip Cookies. In Pillsbury Best Cookies Cook Book
(p. 27). Minneapolis, MN: Wiley Publishing.
Summary:
This article gives information and a recipe for baking cookies. The three critical
ideas in this information are, the heat, the cooking time, and the amount of cookies the
recipe makes. The heat of the oven for the recipe is 375 degrees Farenheight. For the
cooking time in the oven, the cookies should be in the oven for 8 to 10 minutes. The
third important thing that the article stated was the amount of cookies the recipe makes.
With the normal recipe it says that it makes 36 cookies.
Josh Rinn
Annotated Bibliography #2
Source: Pillsbury. (2003). Chocolate Chip Cookies. In Pillsbury Best Cookies Cook Book
(p. 27). Minneapolis, MN: Wiley Publishing.
Summary:
This article gives information and a recipe for baking cookies. The three critical
ideas in this information are, the heat, the cooking time, and the amount of cookies the
recipe makes. The heat of the oven for the recipe is 375 degrees Farenheight. For the
cooking time in the oven, the cookies should be in the oven for 8 to 10 minutes. The
third important thing that the article stated was the amount of cookies the recipe makes.
With the normal recipe it says that it makes 36 cookies.
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Josh Rinn
How does the cookie sheet affect the percentage of cookies buned?
Hazard chemicals, activities, and devices:
Describe safety precautions and procedures to minimize risk .
Use baking mitts to take cookies out of the oven so I don’t burn myself. And I
will have parent supervision so I wont get hurt.
 Describe methods of disposal.
In the trash.
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