Discovering Matter and Energy Series

4 films in this series.

Title ▲	Year	Creator	Length	Format	Color	Sound
All About Light.	1963	Cenco Instruments Corp.		16mm	Color	sound
Sounds Around Us	1964	Cenco Educational Films		16mm		sound
This is electricity.	1964	Calvin Productions Inc.	500	16mm		sound
This Is Heat	1964	Cenco Educational Films		16mm		sound