📖 ReadingGrade 2Lesson 22
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Read About Famous Inventors

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Learning Objectives

  • 1Read a nonfiction biography about a famous inventor
  • 2Recall key facts about the inventor and their invention
  • 3Explain how the invention changed everyday life
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Mini Lesson

Have you ever switched on a light, made a phone call, or watched a video? All of these were invented — created by someone who had an idea and worked hard to make it real.

What is an inventor?

  • An inventor is a person who creates something new that has never existed before.
  • Inventors solve problems. They look at the world and ask: "How could this be easier? How could this be better?"
  • An invention is the new thing they create. Inventions can be tools, machines, medicines, or ideas.

What is a biography?

  • A biography is a nonfiction text that tells the true story of a real person’s life.
  • When you read a biography about an inventor, look for: their name, where and when they lived, what problem they tried to solve, what they invented, and how their invention changed the world.

Three inventors to know

  • Thomas Edison — invented the long-lasting light bulb (1879). Before this, people used candles and gas lamps to see in the dark.
  • Alexander Graham Bell — invented the telephone (1876). He made it possible for people to talk to each other over long distances for the first time.
  • Marie Curie — discovered two new elements, polonium and radium, and developed X-ray machines that helped doctors see inside the human body.
Three famous inventors and their inventionsThree inventor cards stacked vertically. Card 1: Thomas Edison — light bulb — 1879. Card 2: Alexander Graham Bell — telephone — 1876. Card 3: Marie Curie — X-ray machine — early 1900s.Famous InventorsThomas EdisonInvented the light bulb1879 · USAAlexander G. BellInvented the telephone1876 · Scotland / USAMarie CurieDeveloped X-ray machinesearly 1900s · Poland / France
Three inventor cards — Edison (light bulb, 1879), Bell (telephone, 1876), and Curie (X-ray machines, early 1900s).
Biography reading checklistA five-item checklist titled "When reading a biography, look for": Name and where they lived, Problem they wanted to solve, What they invented, How they invented it, and How it changed life today.Reading a Biography — Look For:1Name and where they lived2Problem they wanted to solve3What they invented4How they invented it5How it changed life todayAfter reading: retell the inventor's story in order!
A five-point biography reading checklist with a retelling reminder.
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Ask yourself: "Who was this inventor? What problem did they solve? How did their invention change everyday life?"

Vocabulary
Inventor
A person who creates something new that did not exist beforee.g. Thomas Edison was an inventor who created the light bulb.
Invention
The new tool, machine, or idea an inventor createse.g. The telephone was Alexander Graham Bell’s invention.
Biography
A nonfiction text that tells the true story of a real person’s lifee.g. A biography of Marie Curie tells about her real life and discoveries.
Experiment
A careful test an inventor or scientist does to learn something newe.g. Edison did many experiments before his light bulb finally worked.
Electricity
A kind of energy that flows through wires and powers lights, phones, and machinese.g. Edison’s light bulb used electricity to make a wire glow safely.
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← Lesson 21: Distinguish Facts and OpinionsLesson 23: Read About the Earth and Space →