In this science fair project, young children discover what happens when two fluids that have different densities get together.

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.

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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Making your own glass cleaner is easy, effective and inexpensive!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This surprisingly good glue recipe comes from common kitchen items.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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.

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.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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