BAKERSFIELD, Calif. (KERO) — Welcome back to Science Sundays, and Happy Halloween! Of course, today is all about trick-or-treating, so we wanted to help you play some tricks with all your treats, using science of course! Here's our friend Kristen Urquidez with her sons and some "disappearing pumpkins."

WATCH THE EXTENDED FULL EXPERIMENT BELOW:

Teachers and homeschooling parents can access Kristen's presentation slides:

Science Sundays: Disappearing Pumpkins