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This science fair project idea investigates if webbed feet help a duck (and others) swim.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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