Wider World Flashcards
(57 cards)
Nuclear power
electric or motive power generated by a nuclear reactor/ reaction
How does nuclear power work
Steps 1-4
Reaction triggered
Water is heated
Hot water is circulated
Steam is created
How does nuclear power work
Steps 5-8
Steam energy converted to electrical energy
Electrical energy passed to national grid
Electricity sent through power lines to homes
Steam is cooled and recycled
Chernobyl explosion
1986 nuclear reactor exploded
190 tonnes of radioactive gases released into the atmoshpere
Liquidator
People sent to the reactor to get rid of the chernobyl by dumping tonjes of sand and putting the building in a sarcophagus
Impacts of chernobyl disaster
Children born with illnesses
350,000 people had to evacuate towns
Children 100x more likely to develop thyroid cancer
Millions of acres of forest and farmland were contaminated
Around 200,000 people from Ukraine and Russia died from the effects if chernobyl
Deformed livestock
Advantages nuclear power
No greenhouse gas emissions
Fuel-efficent
Resilient in times of extreme weather
Job intensive
Low operating cost
Disadvantages of nuclear power
Accidents could emit radioactive materials
No good solution for disposing radioactive waste
Non renewable
3 reasons nuclear power is sustainable
Produces zero carbon emissions
Nuclear energy’s land footprint is small
Nuclear energy protects air quality
3 reasons nuclear power is not sustainable
Creates radioactive waste
Nuclear power plants are dangerous and vulnerable
Too expensive
Sustainable
the practice of using natural resources responsibly
so they support both present and future generations
Superpower nation
An extremely powerful nation
Who are the superpowers
USA
Russia
China
India
Brazil
France
England
Factors which make a superpower
Geographic size
Population
Resources
Military
Economic
Cultural
Political
Geographic size
Tend to have greater natural resources
Extend influence over a larger number of neighbours
Population
Larger populations encourage economic growth through markets
Resources
Countries with resources necessary for economic development should hold significant power
Military
Military force can be used to exert pressure
Countries with a large military could be viewed to be more powerful
Economic
Top 10 economies around the world have 2/3 of world GDP
Determine economic policies which affect the globe
Cultural
how appealing a nation’s way of life, values and beliefs are to others
Political
Only 5 countries have a permanent seat on the UN Security Counci
Only they can veto any resolution
BRIC
Brazil
Russia
India
China
What are BRICs
Emerging economic superpowers
MINT
Mexico
Indonesia
Nigeria
Turkey