Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Find out whether matching resonant frequencies can cause objects to shatter.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

An home science experiment for older students that teaches about the science behind heat.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

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.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.