What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Examine how a battery can be made from everyday materials.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

This science fair project idea provides evidence that air is everywhere and takes up space.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Discover which battery composition (type) lasts the longest.

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

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

This science fair project idea explores the fastest average speed a human can talk.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.