This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Find out which type of sponge holds the most water.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea explores substances that cause a bubble to last longer.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.