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Thomas Newcomen
He used peas to show how physical characteristics are passed from parents to their children.
Gregory Mendel
She discovered radium in 1898. She received two Nobel Prizes, one for physics and one for chemistry.
人教版高中必修五 英语
全册优质课件
Unit 1 Great scientists
Warming up and reading
The work of scientists makes life much easier and more comfortable. They make great contribution to social development.
• Be aware of what you eat, and be careful how you prepare it.
• Use antibiotics exactly as prescribed. • Be cautious around all wild and domestic
animals that are not familiar to you.
Stephen Harking
He put forward a theory about black holes.
father of optical fibers
winning the Nobel Prize in Physics on October 6, 2009
Gao Kun
What qualities do you think these scientists have in common?
What infectious diseases do you know about?
foot-and-mouth disease
How to prevent infectious diseases?
• Wash your hands often, especially during cold and flu season.
• Avoid areas of insect infestation.
What do you know about cholera?
Cholera is the illness caused by a bacterium called Varian cholera. If it infects people’s intestines (肠), it may cause diarrhea, vomiting and leg cramps (抽筋). The most common cause of cholera is by eating food or drinking water that has been polluted by the bacteria.
He wrote The Origin of Species. It explained how animals and plants developed as the environment changed.
Charles Darwin
He improved the first steam pump built by Thomas Savery and turned it into a steam engine for taking water out of mines. Later James Watt turned it into the first modern steam engine used on the railways.
Leonardo da Vinci
He developed a safety lamp for miners in 1815. It made working conditions underground much safer.
Sir Humphry Davy
Zhang Heng
He invented the first seismograph to indicate the direction of an earthquake.
Do you know their names?
Let’s learn about some scientists.
Archimedes He was an ancient Greek mathematician. He found if you put an object into water, the water pushes it up.
Marie Curie
He invented the way of giving electricity to everybody in large cities.
Thomas Edison
He was a famous artist. He used to study dead people in order to make his paintings as accurate as possible.
modest prudent steadfast devoted wise conscientious hard-working
How do the scientists usually do scientific research?
The process
Find a problem
THINK
Make a question Think of a method
WORK
Collect results Analyse the resultsevidence Draw a conclusion
SOLVE
An infectious disease is a disease caused by bacterial, viral, fungal, or protozoan infection. Though some infectious diseases don’t spread, others may be transmitted from animal to person (bird flu and cat scratch disease) or from person to person (MRSA, HIV, and other STDs).
