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.

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

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

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.

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

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:

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

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