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Plastics

Plastics travel long distances in rivers and oceans. This quiz explores how plastic pollution forms huge garbage patches and how Geography students can help reduce the problem.

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Fascinating Fact:

Ocean currents concentrate floating plastics into large patches, such as the Great Pacific Garbage Patch, which contains huge amounts of plastic debris.

In GCSE Geography, plastics are studied as a major source of marine pollution. Pupils examine how plastics move through rivers and oceans, the formation of garbage patches, and strategies for reducing plastic waste at different scales.

  • Microplastic: Very small plastic pieces, often less than 5 mm, that form when larger plastics break down in the environment.
  • Gyre: A large, circular ocean current system that can trap and concentrate floating materials such as plastics.
  • Marine pollution: The introduction of harmful substances like plastics into the sea, damaging water quality and marine life.
What is the Great Pacific Garbage Patch in GCSE Geography?

The Great Pacific Garbage Patch is an area of the North Pacific Ocean where currents have trapped large amounts of floating plastic. It is often used in GCSE Geography to show global-scale marine pollution.

How do plastics reach the ocean from the land?

Plastics can be blown by wind, washed into rivers by rain, or carried through drains and sewage systems. These rivers and pipes eventually flow into the sea, where plastics can travel long distances.

What are effective ways to reduce plastic pollution in the oceans?

Effective methods include reducing single-use plastics, improving recycling, using waste collection systems, cleaning beaches and rivers, and creating international agreements to limit plastic entering the seas.

1 .
Plastic waste gets into the environment from squatter settlements. What is a squatter settlement?
A community in which everyone spends more time sitting down than standing
A community of environmentally-concerned people
People living in a house that is not theirs
A community that has been built illegally in or at the edge of a city
They are usually built by people who can't afford proper housing in the city
2 .
Why is plastic waste a problem when it gets into the environment?
It rots down forming a gooey mess
It causes trees to die
It does not rot away
Rotting plastics give off toxic gases
Plastics that are discarded today could still be around hundreds of years from now
3 .
Which of the following is/are sources of plastic waste?
The sea
Packaging
Crude oil
All of the above
Tricky to get right because the seas of the world contain a lot of plastic waste but they are not a source of it. Plastic is made from crude oil, but until the plastic has been used and then discarded, it is not waste
4 .
Squatter settlements create plastic waste that often ends up in the environment rather than landfills. Why?
Squatters put it there
There is nowhere else to put it
Animals come in at night and carry it away thinking it is food
There are few waste collections so waste is often just left as piles in the street
Many plastic items are light and easily spread by wind and water. Any waste left in the areas between the buildings ends up being blown somewhere else or into nearby water courses
5 .
In a LEDC, why is plastic waste more of a problem in urban areas compared to rural areas?
Rural populations in LEDCs buy fewer consumer items and packaged items
There are usually less well-developed waste management systems in urban areas of LEDCs
Rural to urban migration leads to the establishment of illegal squatter settlements
All of the above
LEDCs have lower literacy levels than MEDCs so educating the population about waste management is much more difficult
6 .
How is plastic waste a threat to human health?
It gives off toxic fumes
It provides breeding grounds for insects like mosquitoes
It dissolves into the water supply
It is highly flammable
Mosquitoes carry several diseases that infect humans. In squatter settlements, there is little or no medical help, people are undernourished and more likely to die from the diseases
7 .
Most plastics are not biodegradable. This means...
they are easily digested by animals
they are easily digested by bacteria
they are not easily broken down in the environment
they don't contain any bacteria in their structure
This is one reason why as much plastic waste as possible should be recycled
8 .
Which of the following statements about plastic waste is untrue?
Humans generate very little plastic waste
Plastic waste is light and easily spread by wind and water
Plastic waste lasts longer than most other types of waste
Burning plastic waste on a fire releases harmful gases into the air
Many objects we use daily are made from plastics
9 .
When plastics are burnt, they release greenhouse gases and produce toxic gases but despite this, they are sometimes incinerated. Why?
They release a lot of energy when they are burnt
It is very easy to remove the carbon dioxide and toxic gases from the exhaust gases
It is illegal to put them into a landfill site
When they rot down, they pollute the water supply
Not all local authority incinerators are suitable for burning plastics
10 .
Which of the following is a hazard from plastic waste?
It can cause cars to skid and crash
It gets wrapped round boat propellers and causes them to sink
Wildlife can get stuck in items of plastic waste
It blows into doorways and suffocates homeless people while they are asleep
There are many ways that plastic waste can cause harm to wildlife, often leading to a slow and unpleasant death
Author:  Kev Woodward (PGCE, Science & Chemistry Teacher, Quiz Writer)

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