Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

The Earth is always providing in so many ways! In this activity, children reflect on how the Earth gives and on their love for the Earth through discussion and letter writing.

Watch your fifth grader hone his basic kitchen and measuring skills as he helps you whip up a batch of this soothing, savory soup.

Your child can re-use and re-purpose old seeds and paper into something new: decorated paper that can be planted!

Put old, worn-out picture books to work by constructing a book birdhouse, perfect for welcoming spring.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

Sweet potatoes lend a creamy texture and peppery seasoning gives a spicy kick in this fall hash recipe.

Explore your kitchen and create a delicious holiday fudge that your child can share with friends and family!

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This art project encourages kids to look closely at their favorite animal and recreate texture, pattern and silhouette with easy to follow instructions.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Inspired by Charles Kaufman's crushed can art, this activity lets kids make their own unique works of art using, you guessed it, crushed cans and paint!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This experiment tests which gender is better at catching how a magician performs his tricks.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Construct batteries that make electricity from fruits with this fun science fair project.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Here's a fun at-home activity that will help your child strengthen his ability to work with and interpret data in various forms.