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Book, 1998
Current format, Book, 1998, , Available .
Book, 1998
Current format, Book, 1998, , Available . Offered in 0 more formats
With simple instructions and very little preparation, sixty hands-on activities that help answer such questions as what gives soda its fizz, why do some things float and other sink, and how to find out whether an egg is hard-boiled without breaking its shell.
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