The goal of this project is to create an exciting topographical map out of dough.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project teaches students the differences between fruits and vegetables.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Making your own glass cleaner is easy, effective and inexpensive!

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea experiments with spinning color wheels and optical illusions.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Give your budding young observers a chance to discover simple machines at use in their own home.

This science fair project idea provides evidence that air is everywhere and takes up space.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.