Sounds
teacher's guide
Field test ed
Our rough guess is there are 30,500 words in this book.
At a pace averaging 250 words per minute, this book will take 2 hours and 2 minutes to read. With a half hour per day, this will take 4 days to read.
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This book will take an estimated to read at a reading speed averaging words per minute. With 30 minutes per day, this will take to read.
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Author
Contributions
- Hartney, David - Contributor
- National Science Resources Center (U.S.) - Contributor
- Smithsonian Institution - Contributor
- National Academy of Sciences (U.S.) - Contributor
Publication
1991 - National Science Resources Center, Washington, DC, District of Columbia
Language
English
Word Count
30,500 words, Guess
Page Count
122 pages
Identifiers
- ISBN-100892786957
- ISBN-139780892786954
- Open LibraryOL15446262M
Subjects
Topics
Series Statement
- Science and technology for children
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