In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

In this project students experiment with making music using only glasses of water.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

This science fair project idea investigates how color affects temperature.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores whether white light can be separated into different colors.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This project examines whether people's taste perception is influenced by what they see.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea determines what household items are good conductors of electricity.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea compares biodiversity between drops of water.