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Plastics

Total questions: 68

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

How much plastic is produced every year?

a)

300 million tons

b)

10 thousand tons

c)

5 billion tons

d)

7 tons

2.

Which of the following is true about plastic?

a)

It's cheap

b)

It's versatile (many uses)

c)

It's disposable

d)

All of the above

3.

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

a)

True

b)

False

4.

True or False: Large pieces of plastic break down into smaller pieces in the ocean

a)

True

b)

False

5.

True or False: Plastic in the ocean ends up in the food you eat.

a)

True

b)

False

6.

How long does it take plastic to degrade?

a)

500-1000 years

b)

200 years

c)

150 years

d)

50 years

7.

Which category of plastics can be recycled?

a)

Thermoset plastics

b)

Thermoplastics

8.

Why might additives be mixed with a plastic base material? (Choose 3)

a)

To make it last longer

b)

To reduce the amount of plastic needed

c)

To lower the cost

d)

To make it easier to process

e)

To make it cleaner & safer

9.
Why do you think people use plastic for their products ?
a)
Because it's strong
b)
Because its very cheap and it's easy to make
c)
Because it's expensive
d)
Because it's rare and it's good for the enviorment
10.
What term means "does not break down in the environment"
a)
biodegradeable
b)
non-degradeable
c)
corrosive
d)
biodegenerative
11.
WHAT IS PLASTIC?
a)
Plastics are typically organic polymers of high molecular mass
b)
IS GLASS
c)
IS A KIND OF CHEMYCAL MATERIAL
d)
Materials that can be reshaped (remolded) by applying heat and pressure
12.
HOW DO WE USE PLASTIC MATERIAL?
a)
PLASTICS IN THE HOME/PLASTICS IN THE FOOD INDUSTRY/PLASTICS IN TRANSPORT 
b)
PLASTIC IN CHILDREN
c)
PLASTIC IN  THE HUMAN BODY
d)
PLASTIC IN FOOD 
13.
WHERE DO WE FIND PLASTIC?
a)
FROM TREES
b)
We get plastic from oil and natural gaseS
c)
FROM HUMAN BEINGS
d)
FROM ANIMALS
14.

Select the best definition for the word durable.

a)

breaks a lot

b)

tough and able to last a long time

c)

very little

d)

smells bad

15.

Which sentence best supports the fact that plastic is durable?

a)

"plastic was invented in the early 1900s"

b)

"disposable plates, cups, and other items were advertised as a way to save time"

c)

"plastic bottles don't shatter like glass one"

d)

"instead, it becomes litter on the street"

16.

Where does most of the plastic end up?

a)

landfills

b)

schools

c)

litter on the streets

d)

oceans

17.
Why is plastic used so much?
a)
it is rigid.
b)
is is flexible.
c)
it is expensive.
d)
it is cheap and versatile.
18.
__________ means to use something again.
a)
reduce
b)
reuse
c)
recycle
19.
_________ means to make something smaller.
a)
reduce
b)
reuse
c)
recycle
20.
__________ means to use something old to make something new.
a)
reduce
b)
reuse
c)
recycle
21.
what is plastic made out of ?
a)
just plastic 
b)
cellulose, coal, natural gas, salt and crude oil
c)
metal 
d)
i don't 
22.

Plastics contain ___________________, which are long chains of molecules that manufacturers can mold, cast or force through a die into desired shapes.

a)

pigments

b)

polymers

c)

core walls

d)

chamfers

23.

what properties does a thermosetting plastic have ?

a)

It is a material that when heat is applied it can be reformed and recycled.

b)

A plastic that cannot be recycled and burns when heat is applied.

c)

A very heavy plastic.

d)

A colorful plastic

24.

Which plastic is better for the environment ?

a)

thermosetting plastic

b)

thermoplastics

25.

What are the advantages of recycling plastics ?

a)

it minimizes the need to manufacture new plastic products

b)

reduces landfill

c)

reduces green house effect

d)

conserves the natural resources

e)

all of the above

26.

Which plastic is best suited for high temperature applications ?

a)

Thermosetting plastic

b)

Thermoplastics

c)

All of the above

27.

Which plastic melts to liquid when enough heat is applied ?

a)

Thermoplastics

b)

Thermosetting plastics

c)

Both plastics melt when enough heat is applied

28.

When making plastic clips for a hot water hose what is the best type of plastic to use (a)  

29.

Which of the following is true about plastic?

a)

It's cheap

b)

It's versatile (many uses)

c)

It's disposable

d)

All of the above

30.

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.

a)

Lycra

b)

Rayon

c)

Thermosets

d)

Thermoplastics

31.

Select the correct option from the given statements.

a)

Polymers cannot form fibres

b)

Polymers can be both natural and synthetic

c)

Polymer is a natural substance

d)

Polymer is a synthetic substance

32.

Pickles are stored in plastic bottles mainly because they are:

a)

non-biodegradable

b)

good insulators

c)

durable

d)

non-reactive

33.

Define polymer

a)

circular molecule made with many repeating units

b)

short molecule made of a few repeating units

c)

long, chain-like molecule made of repeating units

d)

chain-like molecule that contains hydrogen and oxygen

34.

What is this process called?

a)

Injection Moulding

b)

Vacuum Forming

c)

Rotational Moulding

35.

What is this process called

a)

Injection Moulding

b)

Vacuum Forming

c)

Rotational Moulding

36.

What process is this?

a)

Injection Moulding

b)

Vacuum Forming

c)

Blow Moulding

d)

Rotational Moulding

37.

What process would be used to make the main part of this product?

a)

Injection Moulding

b)

Vacuum Forming

c)

Blow Moulding

d)

Rotational Moulding

38.

What process would be used to make the main part of this product?

a)

Injection Moulding

b)

Vacuum Forming

c)

Blow Moulding

d)

Rotational Moulding

39.

Which process is most suited fro the products shown in the image (Food Packaging)

a)

Injection Moulding

b)

Vacuum forming

c)

Blow moulding

d)

Rotational moulding

e)

Plastic Extrusion

40.

Which process is most suited fro the products shown in the image (Lego)

a)

Injection Moulding

b)

Vacuum forming

c)

Blow moulding

d)

Rotational moulding

e)

Plastic Extrusion

41.

Which process is most suited fro the products shown in the image?

a)

Injection Moulding

b)

compression moulding

c)

laser cutting

d)

Rotational moulding

42.

Is acrylic a thermo or thermosetting plastic?

a)

Thermoplastic

b)

Thermosetting

43.
Once formed, it can be heated and reformed   Over and over again
a)
Thermoplastic
b)
Thermoset
c)
Linear
d)
Branched
44.
It cannot be re-melted. Once re-heated they will burn.
a)
Thermoplastic
b)
Thermoset
c)
Linear
d)
Branched
45.

What is the biggest criticism of single use plastic bottles?

a)

A lot of them can't be recycled and end up in land-fill

b)

They make water taste funny

c)

They are not very functional

d)

They are not very aesthetic

46.
Why do you think people use plastic for their products ?
a)
Because it's strong
b)
Because its very cheap and it's easy to make
c)
Because it's expensive
d)
Because it's rare and it's good for the enviorment
47.

Blow moulding is used for...

a)

Making a complex 3D shape

b)

Making moulds that need a draft angle, air holes and rounded corners

c)

Making hollow components with large thick walls

d)

Making hollow thin walled components

48.

What moulding process is this?

a)

Vacuum forming

b)

Rotational moulding

c)

Pipe moulding

d)

Injection moulding

49.
What are examples of single-use plastics?
a)
Metal cans
b)
Paper cups
c)
Plastic bags
d)
Glass bottles
50.
What is the environmental impact of single-use plastics?
a)
They release harmful chemicals
b)
They contribute to deforestation
c)
They have no impact on the environment
d)
They promote wildlife conservation
51.
What is the problem with single-use plastics?
a)
They are difficult to produce
b)
They contribute to pollution
c)
They are expensive
d)
They cannot be recycled
52.
How can we evaluate the recycling efforts of coffee shop chains?
a)
By their recycling bins
b)
By their coffee quality
c)
By their customer service
d)
By their advertising campaigns
53.
What is the main problem with single-use plastics?
a)
They cannot be recycled
b)
They contribute to pollution
c)
They are expensive
d)
They are difficult to produce
54.
What type of plastic are most plastic cups made from?
a)
Polyethylene Tetrahydrate (PET)
b)
Polystyrene (PS)
c)
Polyvinyl Chloride (PVC)
d)
Polypropylene (PP)
55.
What are the challenges of recycling plastic cups?
a)
They are often contaminated
b)
They are too heavy to transport
c)
They cannot be melted down
d)
They are too expensive to recycle
56.
How can we compare the recycling efforts of different coffee shop chains?
a)
By their advertising campaigns
b)
By their customer service
c)
By their recycling bins
d)
By their coffee quality
57.
Which of the following is NOT an example of single-use plastics?
a)
Plastic water bottles
b)
Plastic straws
c)
Plastic bags
d)
Glass bottles
58.
What is the main challenge in recycling plastic cups?
a)
They are often contaminated
b)
They are too expensive to recycle
c)
They are too heavy to transport
d)
They cannot be melted down
59.
What is the main reason why plastic cups are not always recycled?
a)
They are not made from recyclable materials
b)
They are too expensive to recycle
c)
They are too large to fit in recycling bins
d)
They are often contaminated
60.
What materials are used to make plastic cups?
a)
Aluminum
b)
Polyethylene Tetrahydrate (PET)
c)
Cardboard
d)
Glass
61.
What happens to most single-use plastics after they are used?
a)
They are recycled
b)
They are thrown away
c)
They are composted
d)
They are reused
62.
Which of the following is an example of single-use plastics?
a)
Paper cups
b)
Plastic bags
c)
Glass bottles
d)
Aluminum cans
63.

Which of the following is true about plastic?

a)

It's cheap

b)

It's disposable

c)

It's versatile (many uses)

d)

All of the above

64.

Why is plastic in the ocean dangerous for wildlife?

a)

They can get tangled in it

b)

They can mistake it for food

c)

BOTH of the other answers

65.

_________ is the first fully synthetic fibre.

a)

Acrylic

b)

Polyester

c)

Nylon

d)

Rayon

66.

Paheli Is Taking Preparation For Her Final Examination. She Is Writing Some Statements About “Nylon” But She Confused To Know Whether The Statements Are Correct Or Not? Would You Help Her?

a)

Nylon is the first fully synthetic fibre.

b)

Nylon is made up of the repeating units of amide chemical.

c)

Nylon is a thermosetting polymer.

d)

Nylon fibres absorb very little water.

67.

What of the following is used for making stockings and parachutes?

a)

Bakelite

b)

Wool

c)

Nylon

d)

Cotton

68.

One of the advantages of nylon over rayon is that nylon:

a)

Is wrinkle free.

b)

Has low elasticity.

c)

Is a natural fibre.

d)

Is a good conductor of electricity.

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