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Explore the electrical energy present in energy drinks.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Do you think heat can affect a plant's growth rate?

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores whether certain physical and mental traits run in the family.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Start your toy engines -- this is going to be a fast and friction-filled race!

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 objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.