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VOCABULAY FOR IELTS 5

نویسنده :بهنام فرقانی
تاریخ:دوشنبه 23 آذر 1394-10:22 ق.ظ

VOCABULARY FOR IELTS 5- Science 

 

Placebo

 

A drug which has no physical effects, used in pharmaceutical tests to compare the physical effects of taking a real drug from its psychological effects

 

 

She was given a placebo, not the real drug, but she said she felt much better

 

Placebo

Effect


The placebo effect is when someone's condition improves because they think they are taking medicine

 


She was given a placebo, not the real drug, but she said she felt much better- that's the placebo effect

 

A side

effect

 

An extra, usually bad, occurrence caused by taking a drug



Drugs should not be tested on animals because there are many possible side effects

Much of today's modern medicine has side effects. I prefer alternative therapies

 

 

Proof

 

 

To show a particular result after a period of time



The amount of evidence that scientists now have proves that climate change is being caused by humans

We now have proof that climate change is caused by human activity

 

Experiment

 


A test done in order to learn something or to find out whether something works or is true



Experimenting on animals is necessary in order to discover if new drugs are dangerous or not

Scientists are conducting experiments to test the effectiveness of the new drug


 

 

Gene

 


A part of the DNA in a cell which contains information in a special pattern received by each animal or plant from its parents, and which controls its physical development, behaviour, etc



Genes are an important factor in personaility development

The doctors think his illness was genetic

It came from his mother because she had the same illness when she was young


Genetic

Engineering /

Modification


Changing the structure of the genes of a living thing in order to make it healthier or stronger or more useful to humans


 

There is evidence that genetically modified food is harmful to humans.

Some plants have been genetically engineered to be resistant to herbicides.


Genetically

Modified

Organisms

(GMOs)


Plants, animals or micro organisms that have changed through genetic engineering



Most commercialised GMO crop plants are insect resistant and/or herbicide tolerant


Clone


A plant or animal which has the same genes as the original from which it was produced



The first animal to be cloned was Dolly the sheep

I believe that cloning humans is unethical


Geoengineering


The deliberate large-scale intervention in the Earth’s climate system, in order to try and control global warming



Some scientists believe geoengineering is the only way to reduce the warming of the climate

Controlling the weather by geoengineering is a possible solution to climate change, but it is controversial


Cyber


A prefix for things related to computers, especially the internet


 

Cyberbulling via social media such as Facebook has become a major problem

cybercafe is a place where you can buy drinks and use computers at the same time

High-Tech /

Hi-Tech


Using the most advanced and developed machines and methods



Japan is a very high-tech country

Everyone has all the latest electronic gadgets


Theory


A formal statement of the rules on which a subject of study is based or of ideas which are suggested to explain a fact or event or, more generally, an opinion or explanation



There are two opposing theories on the causes of climate change - one says it is caused by humans, the other believe it is a natural cycle





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