If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

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.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

This science project idea examines the effect of microwaving on various objects.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea investigates if fats add to the flavor of food.