Oobleck is an awesome lightweight mixture that exhibits both liquid and solid properties. Hence, oit is known as a non-Newtonian fluid. When you dip your fingers into the mixture, you feel it as a liquid and when you apply pressure by squeezing it, you feel it as a solid. Slime is a soggy and oozy gelatinous substance. Kids love to play with slime will also love playing with oobleck. But they both show different properties by nature.