In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!