This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.