In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Find out whether putting something on top of a plant will inhibit its growth.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Transform your uncomfortable wooden shoes into charming mini planters!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.