Introducing the liquids whose behaviors seem to defy the accepted states of matter. What are they and why don't they behave as we predict?
- Newtonian liquids take the shape of their container and flow.
- Non-Newtonian liquids do not take the shape of their container and do not flow easily.
- Whipped cream, tomato ketchup and toothpaste are all non-Newtonian liquids.
- Substances can't always be classified as a straightforward solids or liquids.
Custard and whipped cream.
Are they solids or liquids?
Sir Isaac Newton
In the 18th century, Isaac Newton described the key properties of liquids.
They take the shape of their container and they flow.
As they cool down, they become more solid, and more viscous - which means they become thicker and less runny.
Viscosity = ...
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