Students travel through time to see inventions that changed how people live. Wondy the Globe hosts, and the lesson ends with a quick quiz so learners can check what they remember. Try pausing at each quiz question and letting your learner answer out loud.
What's in this lesson
- The wheel
- The printing press
- The light bulb and the telephone
- The airplane and the internet
Watch the full Grades 6–7: Math, Science & Geography playlist
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About this general knowledge lesson
Some inventions changed the way people everywhere live, work and learn. This free grades 6–7 video travels through time from the wheel to the internet and explains the problem each invention solved.
Key ideas
- The wheel (about 3500 BCE) made farming and travel easier
- The printing press (about 1440) spread books and ideas
- The light bulb and electricity changed homes and work
- The internet connected computers and people worldwide
Questions parents and teachers ask
What are the most important inventions in history?
The wheel, the printing press, the steam engine, electricity and the light bulb, the telephone, vaccines, computers and the internet are often named.
Who invented the printing press?
Johannes Gutenberg built a printing press with movable type in Germany around 1440.
How can kids learn about inventions?
Pick an everyday object, ask what problem it solves, and look up who invented it and when.


