The last week of October is National Popcorn Week. Here are some creative and unique ways to use popcorn in your classroom.
  

Even and Odd Popcorn:
http://www.primaryresources.co.uk/maths/popcorn.htm

Popcorn Spelling:
http://www.teachers.net/lessons/posts/516.html  

Hauntingly Good Popcorn Recipe:
http://www.justkidsrecipes.com/halloween/hall0033.shtml

Letter P Popcorn Balls Lesson Plan Alphabet Activity:
http://www.atozteacherstuff.com/lessons/LetterP_1.shtml

Popcorn Science Experiment:
http://www.teachers.net/lessons/posts/91.html  

Popcorn Coloring Sheet:
http://www.preschoolcoloringbook.com/color/popcorn.shtml

A Day Full Of Popcorn:
http://www.col-ed.org/cur/lang/lang15.txt

Popcorn:
http://sherik.tripod.com/activities/popcorn.htm  

Wyandot Popcorn Museum:
http://www.wyandotpopcornmus.com/