Oobleck…is it a liquid, a solid, or both? 2nd graders’ curiosity was piqued after reading Dr. Seuss’ Bartholomew and the Oobleck. The children seized the opportunity to explore the properties of this material first-hand after mixing together cornstarch and water. They were fascinated when the oobleck balls they formed began dripping from their fingers, simply by loosening their grips! A lively and productive conversation ensued!