Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

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.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Demonstrate how to tell the age of an egg without having to crack it open.

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 explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science experiment tests if dog saliva can really help heal wounds.

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 explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.