What happens when colored beams of light mix? You might be surprised.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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 science fair project idea experiments with spinning color wheels and optical illusions.

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

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!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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

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

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.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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:

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

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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