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

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

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.

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.

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

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.

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

Discover which battery composition (type) lasts the longest.

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

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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

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

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

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

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.

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

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

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

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

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.

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