This science fair project idea explores which fruit molds the fastest.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea explores the different properties of matter.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project teaches students the differences between fruits and vegetables.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates how color affects temperature.