Glass
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Give two examples of uses of glass as a packaging
Jars Bottles
Give four advantages of using glass as a type of packaging
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
Give four disadvantages of using glass as a type of packaging
Heavy to lift and transport which increases transport costs Easily broken or damages Expensive to produce Cannot be printed on so labelling is required
Give two ways properties of glass that do not have a negative impact on the environment
It is 100% recyclable It is reusable
Give two properties of glass that have a negative impact on the environment
It can be dangerous to animals It is non-biodegradable
Glass is 100% recyclable, what impact does this have on the environment? (2)
Glass can be recycled repeatedly without loss of purity or quality. This reduces greenhouse gas emissions, pollution and landfill, and conserves raw materials
Give an example of a way glass can be reused
A glass jar can be reused to store home-made preserves
How can glass be dangerous to animals?
The careless disposal of glass can be dangerous for animals as it can damage their flesh
Glass is non-biodegradable, what does this mean?
It cannot be broken down by microorganisms
Give an example of how jars can be used as a packaging
Jam jars
Give an example of how bottles can be used as a packaging
Coke bottles