The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Free science fair project idea examining how different types of water affect plant germination and growth.

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.

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

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This project is about after-images and what possibly affects them.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project teaches students about wilting and browning of salad greens.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

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