Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

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

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

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

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea compares the cuteness reaction between genders.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.