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

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.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

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.

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!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

Teach your first grade scientist the difference between liquids and solids using maple syrup.