Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

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

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.