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This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this project children practice the scientific method while playing with puffy paint.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!