Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.