1DS experimented recently with a substance called 'oobleck'. Our inquiry question: "Is this substance a solor or a liquid?" We had a lot of fun trying to figure it out because oobleck seems to have properties of both!
The Science Behind It:
Cornstarch is made up of long chains of atoms. When you move them slowly past one another, they flow like a liquid because they can slide easily past each other. When you squeeze, roll, or agitate them, the “atom chains” will get entangled and form a solid! Substances like oobleck are referred to as “non-Newtonian fluids” because they do not have the normal properties of either solids or liquids.
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