Synopsis
The cycle travelled by a piece of bread from ground to toaster illustrates the concept of "net energy profit," that which is remaining after the energy costs of getting that energy are subtracted
Uploader's description on archive.org
Details
- Running time
- 12 minutes
- Language
- English
- Collection
- Educational Films, Ephemeral Films
Subjects on the Internet Archive
- Energy consumption
- Food industry and trade
Reviews on the Internet Archive
★★★★★ · stayed with me · Beverly Tucker Knight · 2018-01-27
I saw this film in fourth grade in 1975 and was thrilled to find it here. I've remembered this film so many times over the years. It had a powerful impact on 11 year old me.