Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

In this experiment you will use plastic and magnets to test your local soil composition.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

The project investigates how water and movement affects erosion.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that determines whether mass and weight are the same or different.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

In this project, the affect of acid rain is simulated by the acid, vinegar.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.