This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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 investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

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.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea determines the most effective method of preserving food.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

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.

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.