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A 112-page book with 212 questions on science and great inventions, divided into 4 themes:
Inventions.
Earth.
Space.
Everyday phenomena.
The 4 parts are separated by 4 dividers.
Some example questions: When was the first calendar invented? Who invented the compass? How old is the Earth? How do glaciers form? What was there before the Big Bang? Where are stars born? Why do we get hiccups? Why does water put out fire?
