The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn with makes water molecules work with this fun and easy science activity!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

Start thinking about how the internet works by assembling an Ethernet cable of your own!