Breaking Point

Curated and Reviewed by Lesson Planet

Leaf toughness can add to its herbivore appeal. Learns design an experiment to quantify leaf toughness and then perform their procedures. They follow the experiment with a set of questions that ask them to think about how leaf toughness affects its use as a food source.

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CCSS: Designed
NGSS: Designed
Instructional Ideas
  • Encourage pupils to bring leaves from home and different areas to add variety
  • Test man-made items such as paper, aluminum foil, and balloons to make comparisons
Classroom Considerations
  • Allow time to collect and prepare materials prior to the lesson
  • Provides a real-life connection to add relevance
  • Offers tips throughout the lesson to help prepare for common issues
  • None