Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Science fair project that explores the natural process of limestone formation.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

This experiment will explore if and where fractals can be found in the natural world.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Find out which type of sponge holds the most water.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Science fair project that tests whether cats have a preference for organic food.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.