Do different brands of

popcorn leave different amounts

of unpopped kernels? 1. Is it important to put each bag

of popcorn in the microwave for the same

amount of time? Why or why not? Yes because it can effect

the data and won't be accurate. 2. Is it important to use the same

microwave for each trial?

Why or why not? Yes because the microwaves can

be different watts. 3. Is it important to count the number of unpopped kernels

AND the number of popped kernels? Why or why not?

(Hint: consider percentage rather than number or

unpopped kernels to popped kernels.) Yes because the percentage

or number in each bag can be unaccurate

if not counted. 4. Why is it not ideal to have different types of popcorn AND different brands (for example, Orville Redenbacher’s Butter compared to Pop Secret plain popcorn)? Because the data will

be all the same and will

have no difference. 5. What is your hypothesis? If Pop Secret has the least amount of kernels left then, my hypothesis would be correct because, i guessed that Pop Secret would have the least amount of kernels. 6. What is the independent

variable in this experiment? The independent variable

is the time I will change one bag

of each brand. 7. What is the dependent variable in this experiment? The dependent variable is

the number of unpopped kernels left

in each popcorn bag. 8. What are the constants? The constant variable is number of bags I use for the project. 9. Is there a control group. If so, which group is it? There is no control group. 10. What materials will you use? 1) 3 different brands of popcorn

2) Microwave

3) 3 Bowls/Plates 11. What steps will you take to complete this experiment? Please number your steps and remember to be as specific as possible so that someone else could follow your directions and do the experiment EXACTLY as you did. 1. Pop all popcorn in one box

2. Record data

3. Repeat steps for trials 4. Pop all popcorn in second box

5. Record data.

6. Repeat steps for trials 6. Pop all popcorn in third box.

7. Record data.

8. Repeat steps for trials. Data Table is printed. Bar Graph is printed My conclusion is that Pop Secret had the least amount of kernels left. Act II had the most kernels left. And that Orville Redenbucher's came in between the two other brands. I beleive my data is accurate because I did the trials more than once and tested it out three times.

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# Do different brands of popcorn leave different of unpopped kernals?

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by Josie Torres
on 2 October 2012
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