Examine the effect of pressure on carbonation in soda.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

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

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

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.

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

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Discover which method for odor removal words the best for stifling refrigerator odors.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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