In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Do you think heat can affect a plant's growth rate?

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.