This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!