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Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project examines whether ocean water can be made safe to drink.

This science fair project idea tests the efficiency of short term memory.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This experiment will evaluate if chewing gum affects students' test performance.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Determine which material produces the strongest static charge.

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

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.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

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