plastics

This is an example of thermoplastic

• bakelite

• melamine

• PVC

The uniform of firemen is coated with

• bakelite

• dye

• melamine

The type of plastic which is used for non-stick coating on cook wares

• melamine

• teflon

• bakelite

The polymer chains which are cross-linked are called

• thermoplastics

• thermosets

The type of plastics that cannot be remoulded once set

• thermosets

• thermoplastics

Which of the following is true about plastic?

• It's cheap

• It's versatile (many uses)

• It's disposable

• All of the above

True or False: We've produced more plastic in the last 10 years than in the last century.

• True

• False

Why do you think people use plastic for their products ?

• Because it's strong
• Because its very cheap and it's easy to make
• Because it's expensive
• Because it's rare and it's good for the enviorment

Tags

NGSS.MS-ESS3-4

NGSS.MS-PS1-3

does plastic melt ?

• no way 
• maybe 
• i don't know
• yes 

1. Identify the product based on the given features.

I. It is a man-made product.

II. It has a linear arrangement of monomer units.

III. It is used for making goods like toys, combs, containers, etc.

• Lycra

• Rayon

• Thermosets

• Thermoplastics