This science fair project idea explores alcoholic fermentation at work by making your own soda.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea investigates how color affects temperature.

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

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that uses distillation to convert salt water into fresh water.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

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.

This experiment will explore the best way to create a perfect soft-boiled egg.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This science fair project investigates why the number of visible stars changes from place to place.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.