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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

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.

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

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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

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 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.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

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.

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

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

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