Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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 that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

The purpose of this science fair project is to build a basic radio.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea produces sounds by creating vibrations using different objects.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This science fair project idea investigates the difference in reaction times between boys and girls.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This project examines what types of objects burn and which burn faster and cleaner.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.