The magic of light and sound
Our rough guess is there are 8,000 words in this book.
At a pace averaging 250 words per minute, this book will take 0 hours and 32 minutes to read. With a half hour per day, this will take 1 days to read.
How long will it take you?
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.
Enter your reading speedYou can take one of our WPM reading speed tests to find your reading speed.
Create a free account to track your reading progress, build your reading list, and set reading goals.
Author
Publication
2003 - National Geographic Society, Washington, D.C, District of Columbia
Language
English
Word Count
8,000 words, Guess
Page Count
32 pages
Identifiers
- ISBN-100792288866
- ISBN-139780792288862
- LibraryThing3278369
- Library of Congress Control Number2003271900
- OCLC Control Number52476046
and 1 more
- Open LibraryOL3704167M
Classifications
- LCCQC360 .J465 2003
Subjects
Genres
- Juvenile literature
Series Statement
- Physical science
- Physical science (National Geographic Society (U.S.))
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!