How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Kids love physical comedy, and this activity has the potential of offering up a healthy dose (while also working on balance and dexterity.)

Create a giant octopus from cardboard that holds onto a sea of creatures from its tentacles!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This heart print makes the perfect simple and sweet gift for Valentine's Day!

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Combine rhymes, riddles and poetry with a terse verse! What do you call floral electricity? Flower Power!

Your child will have a blast creating this adorable black cat with a cardboard tube and some pipe cleaners. A perfect craft for Halloween decorating!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Here's an activity to teach your fourth grader how to reflect on her past year and set specific, attainable goals to reach in the New Year.

Here's a fun arts and crafts activity that has you and your child creating a book with a secret hollow!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this fun felt activity, a few circles of felt and a scattering of beads quickly become flowers that your child can use to decorate a barrette!

This fun calculator exercise will take the mystery away from the machine, and familiarize your child with the functions of a calculator.

This funny valentine features springing hearts and sparkling stickers to make an unusual holiday greeting. Make a funny valentine with your little comedian.

This decimal game is a great way to help your child get familiar with how decimal values work.

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!