Find out whether matte or shiny nail polish lasts longer.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

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 science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

This science fair project idea investigates the difference in reaction times between boys and girls.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

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.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

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

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.