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.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This science fair project idea examines the reason boats are shaped and engineered.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Discover which battery composition (type) lasts the longest.

This science fair project idea produces consumable fresh water from salt water through desalination.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

People have favorite flavors, but what about ants? Which ant food is the most popular?