Why does popcorn pop2

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Information about Why does popcorn pop2
Education

Published on February 6, 2008

Author: Paola

Source: authorstream.com

How does popcorn pop?: How does popcorn pop? By: Chelsey Nichols Yummy Popcorn: Yummy Popcorn Popcorn pops because of three key elements- Moisture (inside the kernel) Starch (inside the kernel) The hard shell (surrounding the kernel) How Popcorn Pop’s: How Popcorn Pop’s When a popcorn kernel is heated the moisture inside the kernel begins to expand,which builds pressure inside the kernel . When the expanding kernel is under enough pressure the kernel explodes through its hard shell, releasing steam (the kernels moisture). As the kernel explodes the starchy center expands and turns the kernel inside out. Creating the white puffy outside and hard kernel shell inside. Question?: Question? What are the key element that allow popcorn kernels to pop? A) Heat, Steam, Pressure B) Moisture, Starch, Hard Shell C) Kernels, Expand, Explode Incorrect : Incorrect Sorry, this answer is incorrect. Please re-read the informational passage. CORRECT!!!: CORRECT!!! Congratulations, your right!! All About Me: All About Me Name: Chelsey Nichols Major: Elementary Education Early Childhood minor. Hobbies: Swimming, Boating, Rock Climbing, Baking Goals: To tour Europe by the time I’m 30 years old. Slide 8: Fun Facts Popcorn expands to a volume of 40-50 times its original size. Unless there is around 17% moisture in the popcorn kernel it won’t pop efficiently. If there is more moisture the popcorn will be “mushy” ; and if there less moisture the popcorn won’t pop! It’s impossible to pop all popcorn kernels in a bag of microwaveable popcorn, without burning it. Once the majority of the popcorn kernels pop, the internal temperature within the bag drops, not allowing all kernels to heat to the right temperature to explode. Reference : Reference 1)How Stuff Works. How Popcorn Pop’s. 30 Jan. 2006. http://home.howstuffworks.com/question255.htm 2) “Unwrapped, life of super-bowl snacks” Food Network Aired January 30th, 2006.

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