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27 Cards in this Set

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  • Back
  • 3rd side (hint)


Pollution by poisons or dangerous elements

The atmosphere in large cities is often contaminated by smog, as we can see in China.

The biosphere

The relationship between all living things on the planet

Children should be educated on the biosphere trough field trips and practical experiments


Gases entering the atmosphere

Scientists spend their whole careers studying the effect of emissions on the climate.

Pollutant particles

Microscopic elements of pollution

I remember going to a factory and seeing the snow covered with pollutant particles.


Water that runs from the ground into rivers and lakes.

We should try to collect and use more run-off water, to avoid having to recycle water so much

The water cycle

The natural process of water, to avoid having to recycle water so much

Scientists believe the water cycle is responsible for various natural events, especially in coastal areas.


Underground, natural water stores

My family have a well which connects to an aquifer, giving very pure water.


The process of filtering and removing impurities

Water filteration might be a solution to water shortages in very hot countries

Water table

The layer of water below ground

In my town, the water table is very high, and water will apear in even a small hole


Polluted or contaminated

The Mediterranean is badly tainted in some areas by sewage pollution.

Soil erosion

The loss of soil by rain and wind activity

Deforestation has increased soil erosion seriously in brazil


Cutting down trees for timber and industrial use

Logging has endangered many species throughout the world.


Leaving waste deliberately without storing or treating it

In most countries, dumping rubbish is a criminal offence


Any material not wanted or needed after a process

In my country, we use waste from cotton manufacture for lighting fires.


Organized area where waste is buried in the ground .

Surprisingly, Britain still send most of its domestic waste to landfill sites.

Waste processing

Recycling or reducing waste into manageable forms

My brother has a waste processing company, which is subsidised by the local authority


Illegally hunting and killing animals

Elephant poaching should be a much higher priority for the world authorities, as elephants are an endangered species.

Habitat loss

Destruction or disappearance of an animal's natural home

Logging has caused substantial habitat loss for wildlife in many countries

Food chain

The natural system of animals eating other animals and plants

The food chain has been disrupted by the lose of certain species, with widespread impacts on all animals

Dwindling numbers

To dwindle=

to steadily decline in quantity

States seem to have dwindling funds to pay for animals sanctuaries, although they are still able to pay for government officials and their perks


The final death of all animals in a species

Dinosaur extinction may have been caused by a meteor or volcano, but scientists seem unsure about this.


A situation where there is a lack of food in an area for long time

Many singers help make charity songs to raise fund for famine relief.


Similar to famine, but a lack of water

Drought in centeral Africa can continue for many years, apparently


Supplying water to land for agriculture

If we want quick solutions to famine, better irrigation and farming methods would probably be the first step.


A great disaster affecting many people

The continuing destruction of the rain forests is a catastrophe for the global biosphere


To exacerbate

To make an existing problem worse, acidentally or deliberately

Famin in Africa has been exacerbated by civil war and political instability.


rain, snow, sleet, or hail that falls to the ground

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