Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

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

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

How powerful is the reaction between baking soda and vinegar? Find out here!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

This experiment investigates whether there are certain sounds that affect men and women differently

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.