This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea investigates whether plants can survive being frozen.

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free 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.

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

In this project, the affects of vitamin E are observed on a rose petal.

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

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea researches the effects of acid rain on plant growth.

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.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

The project determines which type of birds prefer which type of birdseed.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.