Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

This science fair project idea determines what household items are good conductors of electricity.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

In this science fair project, students examine how temperature affects sugar transport within a plant.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project investigates why the number of visible stars changes from place to place.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science fair project idea explores the different properties & interactions of sugar molecules.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

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

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework