Turn Milk into Plastic

______________ are a group of materials that can look or feel different, but can all be molded into many shapes.

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Tags

NGSS.MS-PS1-4

Plastics are all similar because they are all made up of molecules that are repeated over and over again in a chain, called a polymer.

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Tags

NGSS.MS-PS1-1

Polymers can be chains of one type of molecule, or chains of different types of molecules linked together in a regular pattern. Which picture shows a Polymer?

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Tags

NGSS.MS-PS1-1

In a polymer, a single repeat of the pattern of molecules is called a monomer (even if the polymer is made up of only one type of molecule). Which picture shows a monomer?

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Milk contains many molecules of a protein called _____________.

• peanut butter

• casein

• jello

Tags

NGSS.MS-LS1-1

When milk is _____________ and combined with an acid, such as vinegar, the casein molecules unfold and reorganize into a long chain.

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Each casein molecule is a monomer and the chain of casein monomers is a polymer.

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Tags

NGSS.MS-PS1-1

The polymer can be scooped up and molded, which is why plastic made from _______is called casein plastic.

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Tags

NGSS.MS-PS1-3