Think about the adaptive utility of an important aspect of our physiology.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

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

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

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

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

Word color association is just a fancy way to talk about the way we connect colors with words.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

Use pepper and soap to discover some fun facts about the properties of water.

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 project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project will help students learn about non-vascular plants, such as mosses.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.