Food Is Fuel

Which has more calories, a cupcake or a rat? The odd question grabs pupils' attention as they learn about food as fuel in an intriguing installment of the PBS food science playlist. The video explains how scientists use a bomb calorimeter to determine the amount of energy stored in food. It also discusses how the digestive systems of humans and rats fuel the body.

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CCSS: Adaptable
NGSS: Designed
Instructional Ideas
  • Add vocabulary words from the crossword puzzle to student science journals
Classroom Considerations
  • Some young scientists may be bothered by watching a python eat a rat
  • Available for download or streaming
  • Video available in English and Spanish with closed captioning in both
  • Provides discussion questions, tips for increasing student engagement, and teaching connections under support materials
  • None