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Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Compare the ignition rates of various types of flame-retardant materials.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project, young children notice and track changes in trees throughout the year.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This project examines which style of central-air system filter traps the most particles from the air.

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

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!