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.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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 activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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.

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

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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.

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

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

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

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

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

This science fair project idea explores whether color affects a person's emotional state.

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.