Payton's Inquiry-Popcorn

1.  Why does popcorn pop?

2. http://www.hometrainingtools.com/popcorn-science-project/a/1561/

  http://www.popcorn.org/ForTeachers/TeachingGuide/WhatMakesPopcornPop/tabid/88/Default.aspx

• As the kernel heats up, the water begins to expand.  
• Popcorn is a marvel.
• The pressure inside the grain will reach 135 pounds per square inch before finally bursting the hull 
  open.
  
  

3. Hypothesis:  I think popcorn pops so you can eat the popcorn.

4.

5. The popcorn was spinning and it took awhile to pop and it popped. I saw the steam and it started to go up.

6. Popcorn pops because there is water in the popcorn. Then the water heats up. Then the popcorn is heats up to 347 degrees. The water gets bigger and then the popcorn pops.