It takes the average reader and 12 minutes to read Inventions by Adam Hart-Davis
Assuming a reading speed of 250 words per minute. Learn more
If you've ever wondered why the pencil came into existence, or how a steam engine works, or when we started using flushing toilets, this book has all the answers. Based on seven key areas of invention, Adam Hart-Davis tells the stories behind steam power, lighting, toilets, clocks, communication, bikes and flight.
Inventions by Adam Hart-Davis is 12 pages long, and a total of 3,024 words.
This makes it 4% the length of the average book. It also has 4% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes and 16 minutes to read Inventions aloud.
Inventions is suitable for students ages 6 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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