Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.