It takes the average reader 1 hour and 35 minutes to read How on Earth? by Ronald Isaac Orenstein
Assuming a reading speed of 250 words per minute. Learn more
First published in Canada in 1994, this lavishly illustrated resource can be used for school projects, or read for general interest. Explores topics such as growth, defence reproduction and social organisation of a range of living creatures. Includes a glossary and an index. By the author of 'How on Earth: A question and answer book about how our planet works'.
How on Earth? by Ronald Isaac Orenstein is 94 pages long, and a total of 23,876 words.
This makes it 32% the length of the average book. It also has 29% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 2 hours and 10 minutes to read How on Earth? aloud.
How on Earth? is suitable for students ages 10 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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