Things Expand When Heated.
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Demonstrates by animation and simple photography the movements of molecules before and after heat is applied. Examples of expansion and contraction from everyday life are shown. For elementary grades.
Copyright
© Centron Corp., Inc.; 24Jun49; MP4753.
Complete catalog record
THINGS EXPAND WHEN HEATED. Centron Corp., Inc., c1949. 11 min., sd., b&w, 16mm. Summary: Demonstrates by animation and simple photography the movements of molecules before and after heat is applied. Examples of expansion and contraction from everyday life are shown. For elementary grades. Credits: Author, Arthur H. Wolf; adviser, Gerald S. Craig. © Centron Corp., Inc.; 24Jun49; MP4753.
Sources
- 16mm Filmography (legacy record) — title, year, length, format, color, sound, description, catalog record, copyright
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, color, description
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