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How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Start your toy engines -- this is going to be a fast and friction-filled race!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea examines whether people can decode scrambled messages.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.