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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
A skillet is lined with a thin layer of cooking oil followed by a layer of unpopped popcorn kernels. Upon heating the kernels all pop thereby escaping the skillet. Which of the following physical and/or chemical changes occurred?
A) The water within each kernel is heated to the point that it would turn into water vapor as the kernels popped (physical change).
B) The starches within the kernels are cooked by the high temperatures (chemical change).
C) Both A and B occur.
D) Physical and chemical changes cannot occur without a real chemical reaction taking place.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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bSharpbSharp
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9 years ago
Super! Don't forget to mark my post as best answer Grinning Face
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