The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea examines the reason boats are shaped and engineered.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Discover how and which salt melts ice the quickest.

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Will the shape of an ice cube impact how fast the ice melts?

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.