The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

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

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Weave a unique ribbon pattern! This fun arts and crafts activity is a great way to make colorful projects and learn basic math and art skills.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.