You could test three different Brands of popcorn and time them to see how long they take to pop.
go on google and type in science fair projects its that simple
Science projects
science buddies,free science fair projects, or just google it
=== ===
A fair with the emphasis on scientific projects.
life science
One easy experimental design for a science fair project is to make a volcano. To create a semblance to lava use baking soda and vinegar. This will spew out of the top of the volcano.
i think that on a science fair they are identifying the people who helped you and how they helped you
Go to science buddies.com or go to google and search science fair projects.
I have! for science fair, i got the project off science buddies
easy
google.com or science fair projects.com