This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea produces sounds by creating vibrations using different objects.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea explores whether talking to a plant will help it grow.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this fun activity, your child will create their very own solar oven to bake s'mores!