Find out whether a longer airplane will fly farther or a wider paper airplane.

In this project, a mnemonic is used to test how it increases memory.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea determines the probability of a coin landing heads or tails.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this project, the affect of acid rain is simulated by the acid, vinegar.

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this project, a basketball containing different psi is dropped to see how well it bounces.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines what household items are good conductors of electricity.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea determines what household items are good conductors of electricity.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.