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

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

This science fair project idea experiments with spinning color wheels and optical illusions.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Create a self-portrait from natural materials in this collage craft activity!

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

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

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.