Glass

Question 1

Give two examples of uses of glass as a packaging

Answer 1

Jars

Bottles

Question 2

Give four advantages of using glass as a type of packaging

Answer 2

Protects food from contamination
Easily moulded into a variety of shapes and sizes
Available coloured or transparent, so content can be examined
Can withstand heat processing without cracking e.g. pyrex

Question 3

Give four disadvantages of using glass as a type of packaging

Answer 3

Heavy to lift and transport which increases transport costs
Easily broken or damages
Expensive to produce
Cannot be printed on so labelling is required

Question 4

Give two ways properties of glass that do not have a negative impact on the environment

Answer 4

It is 100% recyclable

It is reusable

Question 5

Give two properties of glass that have a negative impact on the environment

Answer 5

It can be dangerous to animals

It is non-biodegradable

Question 6

Glass is 100% recyclable, what impact does this have on the environment?
(2)

Answer 6

Glass can be recycled repeatedly without loss of purity or quality.
This reduces greenhouse gas emissions, pollution and landfill, and conserves raw materials

Question 7

Give an example of a way glass can be reused

Answer 7

A glass jar can be reused to store home-made preserves

Question 8

How can glass be dangerous to animals?

Answer 8

The careless disposal of glass can be dangerous for animals as it can damage their flesh

Question 9

Glass is non-biodegradable, what does this mean?

Answer 9

It cannot be broken down by microorganisms

Question 10

Give an example of how jars can be used as a packaging

Answer 10

Jam jars

Question 11

Give an example of how bottles can be used as a packaging

Answer 11

Coke bottles