Nikola Tesla was a great inventor and engineer. He made important discoveries in electricity. Tesla was born in 1856 in Croatia and moved to the United States. He worked with Thomas Edison, but later they became rivals. Tesla developed alternating current (AC), which is the electricity we use today. His inventions changed the world.
For example:
Nikola Tesla invented the Tesla coil.
He developed alternating current (AC).
Tesla’s ideas helped create modern electricity.
GRAMMAR
The past simple tense is used to talk about Tesla’s life and discoveries.
Structure:
✅ Affirmative:
Nikola Tesla was born in 1856.
He invented the Tesla coil.
❌ Negative:
He did not invent direct current (DC).
Tesla did not work alone all his life.
❓ Questions:
Did Tesla invent alternating current? → Yes, he did.
Was Tesla born in the United States? → No, he wasn’t.
VOCABULARY
Inventor – A person who creates new things.
Electricity – Energy that powers lights and machines.
Experiment – A scientific test.
Current – The flow of electricity.
Engineer – A person who designs and builds things.
Discovery – Finding something new.
Rival – A person or company that competes with another.
Wireless – Without wires or cables.
Energy – Power that makes things work.
Patent – A legal document for an invention.
USEFUL EXPRESSIONS
He was a brilliant inventor.
Tesla changed the world with his ideas.
His discoveries are still used today.
Alternating current is used in homes and cities.
He had many rivals, including Thomas Edison.
SENTENCES
✅ Positive Sentences:
Nikola Tesla was a great scientist.
He invented many things.
Tesla worked in the United States.
❌ Negative Sentences:
He did not invent the light bulb.
Tesla was not from America.
He did not win many patents.
❓ Questions & Answers:
Did Tesla invent alternating current? → Yes, he did.
Was he friends with Edison? → No, they were rivals.
Did Tesla use direct current? → No, he used alternating current.
CONVERSATION
Anna: Do you know who Nikola Tesla was?
Mark: Yes! He was a famous inventor.
Anna: What did he invent?
Mark: He invented alternating current and the Tesla coil.
Anna: Did he work with Thomas Edison?
Mark: Yes, but later they became rivals.
Anna: That’s interesting! Tesla changed the world.
Mark: Yes, he did!
Long READING
"Nikola Tesla: The Genius of Electricity"
Nikola Tesla was born in 1856 in a small village in Croatia. He was very intelligent and loved science. In 1884, he moved to New York to work with Thomas Edison. However, they had different ideas about electricity. Edison supported direct current (DC), while Tesla believed in alternating current (AC).
Tesla developed the Tesla coil and helped build the first power plants using AC. His work led to modern electricity. He also experimented with wireless electricity. Unfortunately, he did not become rich, but his ideas changed the world.
Questions:
Where was Nikola Tesla born?
He was born in Croatia.
When did he move to New York?
He moved in 1884.
What type of electricity did Tesla support?
He supported alternating current (AC).
Did Tesla work with Edison?
Yes, he did, but they were rivals later.
What did Tesla invent?
He invented the Tesla coil and worked with AC electricity.
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