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.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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

This science fair project teaches students the differences between fruits and vegetables.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea examines liquids of different densities.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

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

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

The project investigates how friction affects motion by using different surface textures.

This science project idea examines the effect of microwaving on various objects.