The word ________ refers to the ability of some materials to acquire and maintain a certain shape after being put in a mould or deformed.

• Metal

• Plastic

• Iron

• Rust

What is the technical word for plastic?

• Monomer

• Monomism

• Polymer

• Polymism

What are the three mains types of polymers?

• Thermoplastics, Thermosetting, and Elastomers

• Thermoplastics, Thermostated, and Elastomers

• Thermostasis, Thermosetting, and Elastomers

• Thermoplastics, Thermosetting, and Elastics

Which type of polymer is easy to recycle?

• Thermosetting

• Thermoplastic

• Elastomer

• None of the above

Which is really hard to recycle?

• Thermoplastic

• Elastomer

• Thermosetting

• None of the above

What is the main difference between thermoplastics and thermosetting?

• Thermosetting can be remolded and thermoplastics cannot

• Thermosetting can change form and thermoplastics cannot

• Thermosetting melts and thermoplastics burn

• Thermosetting burns and thermoplastics melt

Which type of polymer is somewhere in between the structure of the other two?

• Elastomer

• Thermosetting

• Thermoplastics

• None of the above

Which picture is the structure of thermoplastics?

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Which of these is thermosetting?

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Which of these is elastomer?

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