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In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.

This activity explores images of plant cells and structures, which serve as phenomena for learning about how plants respond to stimuli.

The activity introduces students to the concept of biomes, using Gorongosa National Park as a case study. Part of the activity involves exploring the Gorongosa National Park Interactive Map.

This activity allows students to use authentic scientific data to make claims about the threat of coral bleaching for reefs around the world.

This activity guides students through building a conceptual model of how carbon dioxide affects Earth’s climate.