This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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

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.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

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

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!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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:

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.