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.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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.

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.

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

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?

Test whether plants can grow without sunlight and water.

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.

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

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.