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Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project determines what category of person is most likely to be ticklish.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.