This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this design challenge, your child will make a bottle rocket using typical household items.

Take a dive into the candy jar with this yummy science experiment.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Improve your child's memory, focus, and concentration with this outdoor group memory game. For 4th grade, 5th grade, and middle school age children.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project teaches students the differences between fruits and vegetables.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Young chefs can easily make this simple soup, perfect for a brisk fall day. Along with being very flavorful, it makes a perfect pre-dinner appetizer or lunch!

Discover whether cold or hot water from the faucet will boil faster on the stove.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Halloween is a great opportunity to look around and see faces that are funny, scary, happy and sad.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea examines the reason boats are shaped and engineered.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

With this fun and easy method of printing your child will draw patterns, trace them with yarn, paint and press their very own masterpieces.

This twist on classic mashed potatoes includes parsnips, a root vegetable with a sweet flavor your kids will love.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This fragrant drawer sachet keeps clothes smelling sweet, and makes for the perfect gift.

Need an outdoor activity for your next party or family gathering? Try this wacky group relay game that's fun for adults and kids alike.