This simple experiment serves as an introduction to the greenhouse effect.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.