IGCSE DT Plastics MCQs

Thermosetting plastic is:

• A plastic that can be repeatedly reheated and remoulded.

• A plastic that cannot be repeatedly reheated and remoulded.

• A plastic that can be distorted under pressure but will return to its original shape after pressure is released.

• A plastic that is transparent.

Identify the three main categories of synthetic plastics from the list below:

• Thermoplastic

• Elastomer

• Thermosetting plastic

• Thermostat

• Polymer

Which plastic does this polymer chain represent?

• Thermosetting

• Thermoplastic

• Elastomer

• Bioplastic

Which two of these plastics are thermosetting?

• Polypropylene (PP)

• Polyethylene terephthalate (PET)

• Urea Formaldehyde

• Polymethyl-methacrylate (PMMA) (Acrylic)

• Epoxy Resin

Which group of plastics can be recycled?

• Thermoplastics

• Thermosetting plastics

• Elastomers

• All of the above

Which plastic does this recycling symbol represent?

• PVC

• PP

• HDPE

• PET

Elastomer (rubber) plastic is known to have rubber-like properties. Elastomers can generally be recycled.

• True

• False

Which plastic type does this molecular structure represent?

• Thermosetting

• Bioplastic

• Elastomer

• Thermoplastic

What is the product derived from foods they use to make biopolymers?

• Sugar

• Starch

• Protein

• Fat

Oxo-degradable plastics have additives that promote short degradation e.g. less than five years. These help the plastic break down due to:

• Oxygen

• Air

• Moisture

• Heat