Grade 4 · Social Studies · Lesson 18

Major World Inventions

An invention is something created for the first time that solves a problem or improves life. Throughout history, inventors from around the world have created tools, machines, and systems that have completely changed how people live, work, communicate, and travel. Understanding these inventions helps us appreciate how far human progress has come.

What this lesson teaches

1Name major world inventions and the approximate date each was created
2Arrange key inventions in chronological order
3Match each invention to its inventor or country of origin
4Explain how inventions have changed the way people live

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