Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Make a spring collage with your child to get them outside and those creative juices flowing!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Have your child kick off their summer vacation by making a miniature water slide!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.