Thermoplastics

(a)   is a non-renewable resource used to make plastics.

The two different categories of plastics are:

• Thermoplastics

• Thermohard Plastics

• Thermoset Plastics

• Thermotherm Plastics

Which of the following statements is false?

• Thermoplastics are difficult to recycle

• Thermoplastics become soft when heated, and hard again when cooled

• Thermoplastics are environmentally friendly

• Thermoplastics are the most commonly used plastics

Why are thermoplastics marked with different numbers?

• The number shows the type of thermoplastic

• The number shows the weight of the plastic

• The number shows the value of the plastic

• The number shows the production date of the plastic

How many different numbers can be marked on a thermoplastic?

• 4

• 5

• 6

• 7

(a)   is durable, flexible and food safe. It is commonly used to make single use water bottles.

_________ is flexible, durable and chemical resistant. It is commonly used to make detergent bottles.

• PET

• HDPE

• PVC

• LDPE

Takeaway food containers are often made from this plastic. It is flexible, food safe, and resistant to high temperatures

• PP

• Nylon

• Acrylic

• PE

Squeezy bottles are often made from _________. It is food safe, flexible and resistant to chemicals.

• LDPE

• PVC

• HDPE

• PET

Nylon is a perfect plastic to use for gears because...

• It can be easily coloured

• It has low-friction

• It is brittle

• It is expensive