A look at chemical change
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Examines common objects, such as candles, a rubber ball, and a banana, over a period of time to establish whether a change has taken place. Distinguishes between physical and chemical change by determining if the object can be returned to its initial state. Uses the metric system of measurement throughout.
Copyright
Registered 7Aug72 · MP23312 (Jul-Dec 1972) Copyright holder: McGraw-Hill, Inc
Complete catalog record
, Examines common objects, such as candles, a rubber ball, and a banana, over a period of time to establish whether a change has taken place. Distinguishes between physical and chemical change by determining if the object can be returned to its initial state. Uses the metric system of measurement throughout.NOTE: Two (or more) records have been merged together to create this data.
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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