Can I Still Eat This?

The United States sends 133 billion pounds of edible food to landfills every year. A lesson from the ACS Reaction series discusses the chemical reactions that cause food to change over time. Some reactions make food taste different while others cause harmful chemicals. 

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Write and balance some of the chemical reactions discussed in the lesson
  • Record expiration dates of recently bought grocery items and compare canned, frozen, and fresh items
Classroom Considerations
  • Expects a familiarity with enzymes, bacteria, and fungi
  • Includes diagrams and animations to add clarity to the presentation
  • Emphasizes scientific vocabulary throughout the lesson
  • None