Find out whether packaged seeds actually do expire in this new science fair project idea.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project idea explores which fruit molds the fastest.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

In this project, you will observe and record changes in sunspots over two weeks.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.