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Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

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

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

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Test out various brands of permanent markers to see which one is least water soluble.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea provides evidence that air is everywhere and takes up space.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project determines what category of person is most likely to be ticklish.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.