This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Explore the neural and mental mechanisms at play in mental imagery.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Make these homemade shell fossils and introduce your child to the wonders of science!

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

Science fair project that examines the biodiversity of ant populations in various locations.