Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Demonstrate how to tell the age of an egg without having to crack it open.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Find out whether putting something on top of a plant will inhibit its growth.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

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

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea determines if family members can recognize one another using only the sense of smell.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Find out which kind of bubble wrap fares best when put in impact.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.