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After learning about the three states of matter (solid, liquid, gas), the 4th graders put their science skills to the test and explored the mystery substance called OOBLECK!OOBLECK showed characteristics of both a solid and liquid.As a class, we came up with property tests we could conduct to determine if OOBLECK was a liquid or a solid.We tried pouring it,rolling it into a ball, seeing if it took the shape of its container, and tried putting our finger through it.

 

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OOBLECK was a strange substance, and we learned that it is considered a non-Newtonian substance.That means that when at rest it is more like a liquid and when moving it is more like a solid.

 

Here is Mrs. Kanasí recipe for OOBLECK:

1 part water

2 parts cornstarch

Any color food coloring

 

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