Design and Make Assignment (DMA)
Snack tray for an airline
The drawing shows a basic design for a plastic snack tray that will be used by an airline on flights of between 2-3 hours duration.
The tray will hold a snack consisting of 3 parts:
Design and make a prototype plastic snack tray that will hold a snack consisting of a main meal, a cupcake and an orange drink.
The tray must be made from a sustainable plastic material that can be washed and re-used. It must be as light as possible, yet be rigid enough to hold the snack without bending or twisting. One compartment must be the correct size for a standard cupcake foil or paper case. One compartment must be the correct size for a standard sized plastic cup.
Industrial Production Requirements
You should describe at least two plastic forming processes that could be used to manufacture the snack tray in large numbers.
Planning for Making
You should describe the stages in manufacturing the snack tray.
Sustainable plastics are made from renewable sources such as wheat, corn, potatoes, grass and palm fibre. They are biodegradable so discarded products do not have a long term effect on the environment. Sustainable plastics can be composted as they are biodegradable.
On the other hand, plastics made from fossil fuels are non biodegradable. Oil, the raw material from which most plastics are made, is nonrenewable. Discarded or dumped waste plastics have a catastrophic and long term effect on the environment, on land and in the sea.
Learn about Plastics
We use animations and supporting technology notes to describe plastics and plastics processes.
Animations illustrate plastics processes in probably the most clear way possible, making plastics processes easy to understand, easy to learn and easy to remember.
Our plastics technology notes and animations describe all the major processes including:
Our new Plastics Module developed from the work in the KS3 and KS4 D&T packages. It is a complete package that includes:
To make teaching easier, the technology theory notes and exercises are in digital format, making them suitable for computers and whiteboards; and in PDF format, which makes it simple to print and duplicate A4 theory notes and worksheets.
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