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

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea examines liquids of different densities.

The project determines which laundry detergent is best for cleaning clothes.

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

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 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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

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

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?