• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/43

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

43 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)

Contamination

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 through field trips and practical experiments.

Emission

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.

Run-off

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 moving from clouds to rain and seas



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

Aquifer

Underground, natural stores



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

Filtration

The process of filtering and removing impurities



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

Filtration

The process of filtering and removing impurities



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

Water table

The layer of water below ground



In my hometown, the water table is very high, and water will appear in even a small hole.

Filtration

The process of filtering and removing impurities



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

Water table

The layer of water below ground



In my hometown, the water table is very high, and water will appear in even a small hole.

Tainted

Polluted or contaminated

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

Filtration

The process of filtering and removing impurities



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

Water table

The layer of water below ground



In my hometown, the water table is very high, and water will appear in even a small hole.

Tainted

Polluted or contaminated

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

Soil erosion

The loss of soil by wind and rain activity



Deforestation has increased soil erosion seriously in Iran.

Logging

Cutting down trees for timber and industrial use



Logging has endangered many species throughout the world.

Logging

Cutting down trees for timber and industrial use



Logging has endangered many species throughout the world.

Dumping

Leaving waste deliberately without storing or treating it.



In most countries, dumping rubbish is a criminal offense.

Logging

Cutting down trees for timber and industrial use



Logging has endangered many species throughout the world.

Dumping

Leaving waste deliberately without storing or treating it.



In most countries, dumping rubbish is a criminal offense.

Waste

Any material not wanted or needed after a process



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

Logging

Cutting down trees for timber and industrial use



Logging has endangered many species throughout the world.

Dumping

Leaving waste deliberately without storing or treating it.



In most countries, dumping rubbish is a criminal offense.

Waste

Any material not wanted or needed after a process



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

Landfills

Organized areas where waste is buried in the ground



Surprisingly, Britain still sends 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 subsidized by the local authority.

Poaching

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 loss of certain species, with widespread impacts on all animals.

Food chain

The natural system of animals eating other animals and plants



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

To dwindle

To steadily decline in quantity



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

Extinction

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.

Famine

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



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

Famine

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



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

Drought

Similar to famine, but a lack of water



Drought in Central Africa can continue for many years, apparently.

Famine

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



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

Drought

Similar to famine, but a lack of water



Drought in Central Africa can continue for many years, apparently.

Irritation

Supplying water to land for agriculture



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

Catastrophe

A great disaster affecting many people



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

Catastrophe

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, accidentally or deliberately



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