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This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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

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

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

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 science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.