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Plastics

Plastics

Assessment

Presentation

Science

8th Grade

Easy

Created by

PKC F

Used 4+ times

FREE Resource

4 Slides • 7 Questions

1

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Plastic : Types, properties and uses
Game: Quiz

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2

Objective

  • Identify different types of plastics, their common uses, and understand their environmental impact.

  • Analyze the degradation time of various types of plastics and its consequences on the environment.

  • Apply the concept of the 5 R's (Reduce, Reuse, Recycle, Refuse, and Repurpose) to minimize plastic pollution and promote sustainable practices.

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3

Drag and Drop

A man-made material showing the property of plasticity and made up of organic ​
is plastic. Structure of all the plastics is not same. Some are ​
while some are circular.
Drag these tiles and drop them in the correct blank above
polymers
metals
glass
linear

4

Categorize

Options (15)

Plastic that can be molded as per our wish.

Once a specific shape is given with the help of mold, its shape cannot be changed on heating.

Can be easily recycled and reused.

Commonly used in packaging materials.

Softens when heated and hardens when cooled.

Examples include polyethylene and polypropylene.

Used in making toys, containers, and pipes.

Can be reheated and reshaped multiple times.

Generally have low melting points.

After curing, they become hard and rigid.

Examples include epoxy and phenolic resins.

Used in making electrical insulators, adhesives, and coatings.

Highly resistant to heat and chemicals.

Cannot be reshaped or recycled.

Have high melting points.

Organize these options into the right categories

Thermoplastic
Thermosetting plastic

5

Dropdown

Plastic does ​
corrode. It does not ​
. It is not easily affected by humidity, heat, rain, etc. Items of any colour can be ​
from it. It can be molded into any shape due to the property of ​
. It is bad ​
of heat and electricity. Being light in weight, it is easy to carry.

6

Categorize

Options (8)
Question image

Bottles, raincoat, pipes

electric cable insulation, furniture

Disposable food containers
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CD cases, toys

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Plastic bags

Shampoo bottles, garden pipes

Laboratory appliances

Ropes, mattresses

Categorize the items in their respective thermoplastic category

Polyvinyl chloride (PVC)
Polystyrene (PS)
Polyethylene (PE)
Polypropylene (PP)

7

Categorize

Options (4)
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Cooker handle

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Plates

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Surfing Boards

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Textile industry

Categorize the items in their respective thermosetting plastic category

Bakelite
Melamine
Polyurethane
Polyester

8

Dropdown

Plastic is ​
and hence it is an environment pollutant.

9

Match

Match the following items with their degradation time.

Vegetables

Cotton cloth

Wood

Plastic

1-2 weeks

1 year

10-15 years

1000s of years

10

Important fact!!

Each responsible citizen should follow the 4R principle;
i.e. Reduce- Minimal use
Reuse- Use again
Recycle- Use again after processing
Recover- Reclaiming
Then only we can save the environment from pollution.

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11

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Plastic : Types, properties and uses
Game: Quiz

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