Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Discover flight initiation distance as you play around in the park with this fun bird watching 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.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea demonstrates that plants give off water.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

Test whether plants can grow without sunlight and water.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.