WorksheetsiGCSE DT Plastics
Total questions: 20
Worksheet time: 10mins
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
Which of the following is a characteristic of thermoplastics?
They cannot be remoulded once set.
They can be reheated and reshaped.
They are always rigid.
They have a high melting point.
Which of the following is an example of a biodegradable plastic?
Polyethylene
PLA (Polylactic Acid)
PVC
Polypropylene
What is the main advantage of using recycled plastics?
They are cheaper to produce.
They are always stronger than new plastics.
They reduce environmental impact.
They have better aesthetic qualities.
Which of the following is NOT a typical use for thermosetting plastics?
Electrical insulators
Kitchenware
Car parts
Food packaging
What property makes elastomers suitable for applications like seals and gaskets?
High rigidity
Rubber-like flexibility
Transparency
High melting point
Which plastic is known for its high impact resistance and is often used in eyewear?
PET
PMMA (Acrylic)
Polycarbonate
Polyvinyl Chloride (PVC)
What does the recycling code '1' indicate?
Polypropylene
Polyethylene Terephthalate (PET)
Polyvinyl Chloride (PVC)
High-Density Polyethylene (HDPE)
Which of the following plastics is commonly used for food containers due to its safety and recyclability?
PVC
PET
Polycarbonate
Urea Formaldehyde
What is a disadvantage of using thermosetting plastics?
They are lightweight.
They cannot be reshaped once cured.
They have a low melting point.
They are not durable.
Which of the following statements about bioplastics is true?
They are derived from fossil fuels.
They are always biodegradable.
They can be made from renewable resources.
They are less expensive than conventional plastics.
