This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Find out which type of sponge holds the most water.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

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

Discover how and which salt melts ice the quickest.

This science fair project idea identifies trees using a dichotomous key.

This project examines what types of objects burn and which burn faster and cleaner.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea investigates how magnetism can defy the force of gravity.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.