Education.com
Try
Brainzy
Try
Plus

High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

Sort by:
Showing 1 to 16 of 16
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Astronomy
Ninth Grade
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
High School
Astronomy
This experiment examines if space objects become round after reaching a certain mass.
High School
Astronomy
In this free science fair project idea, you will learn how to build a 3-D model of Earth.
High School
Astronomy
Science fair project that illustrates the properties of black holes in space.
High School
Astronomy
The objective of this science fair project is to determine the effect of distance on the orbital period of an orbiting planet.
High School
Astronomy
The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.
Astronomy
Eleventh Grade
This free science fair project idea shows you how parallax decreases as distance from the object increases.
High School
Astronomy
In this science fair project, you will demonstrate the effect of luminosity and distance on the apparent magnitude of a star.
High School
Astronomy

Share these projects with friends

clear all

Filter by

Subject