W14 Flashcard : The Science of Slime

Front

What is the main polymer in white glue?

Back

Polyvinyl Acetate (PVAc)

Front

What is slime?

Back

A non-Newtonian fluid

Front

What is viscosity?

Back

A fluid's resistance to flow

Front

What is the purpose of adding borax to the glue-water mixture?

Back

To make the slime more viscous

Front

What is shear thickening?

Back

When a fluid becomes more viscous under shear stress

Front

What is a non-Newtonian fluid?

Back

A fluid whose viscosity changes with the applied stress or shear rate.

Front

What is the role of water in slime making?

Back

Water acts as a solvent and helps to dissolve the glue.

Front

What happens to the viscosity of slime when it is stirred quickly?

Back

The viscosity increases, making it thicker.

Front

What is the effect of temperature on the viscosity of a fluid?

Back

Generally, as temperature increases, viscosity decreases.

Front

What is the difference between a Newtonian and a non-Newtonian fluid?

Back

A Newtonian fluid has a constant viscosity regardless of the shear rate, while a non-Newtonian fluid's viscosity changes with shear rate.