A discovery is when someone finds or learns something new. Scientists, explorers, and inventors make important discoveries that change the world. Some discoveries help people live better lives, while others help us understand the world better.
For example:
The discovery of electricity changed the way we live.
The discovery of penicillin helped cure many diseases.
The discovery of new planets helps us understand space.
The discovery of fire helped early humans survive.
Discoveries can be in science, medicine, history, or nature. They help people and improve the future.
GRAMMAR
Past Simple Tense
Positive: Alexander Fleming discovered penicillin in 1928.
Negative: He did not invent the telephone.
Question: Did Marie Curie discover radium?
Past Continuous Tense
Positive: Scientists were studying bacteria when they found penicillin.
Negative: They were not looking for a new medicine.
Question: What were the scientists doing when they discovered penicillin?
VOCABULARY
Discovery - Finding something new.
Inventor - A person who creates something new.
Scientist - A person who studies and learns new things.
Exploration - Traveling to find new places.
Experiment - A test to learn something.
Technology - New machines and methods.
Medicine - Science that helps sick people.
Breakthrough - An important new discovery.
Innovation - A new idea or invention.
Research - Studying to find new information.
USEFUL EXPRESSIONS
It was an important discovery.
This discovery changed the world.
Scientists made a great breakthrough.
The invention of electricity was revolutionary.
Research helps us make new discoveries.
SENTENCES
Positive: Marie Curie made an important discovery.
Negative: She did not invent the telephone.
Question: Did Thomas Edison invent the light bulb?
Answer: Yes, he invented the light bulb.
CONVERSATION
Emma: Did you know that penicillin was an important discovery?
David: Yes! It helped save many lives.
Emma: Who discovered it?
David: Alexander Fleming discovered it in 1928.
Emma: That was a great scientific breakthrough!
David: Yes, discoveries like this help humanity.
Long READING
The Discovery of Penicillin
In 1928, Alexander Fleming made an important discovery. He was studying bacteria when he found that mold could kill it. This mold was called penicillin, and it became the first antibiotic. Before penicillin, many people died from infections. Thanks to this discovery, doctors could treat infections and save millions of lives. It was a great scientific breakthrough and changed medicine forever.
Questions:
Who discovered penicillin? (Alexander Fleming.)
When was penicillin discovered? (In 1928.)
What did penicillin help cure? (Infections.)
Why was this discovery important? (It saved many lives.)
What was Fleming studying? (Bacteria.)
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