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Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Determine how good we are at direct and indirect observation.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science experiment tests if dog saliva can really help heal wounds.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

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

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates if fats add to the flavor of food.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.