A comprehensive lesson to inspire and equip students to organize their own neighborhood or park cleanup for Earth Day. Includes background on Earth Day, the impact of waste, and a practical planning framework for student-led action.

A lesson teaching students how to manage and conserve Earth's vital resources (air, water, soil, energy) and the difference between point and nonpoint source pollution.

A comprehensive lesson exploring ecosystems as complex systems, focusing on food webs and subsystems across four major biomes: North American Forests, Oceans/Coral Reefs, Deserts, and Tropical Rainforests.

Students demonstrate their mastery of plant adaptations through a creative project and a summative assessment.

Students examine structural adaptations for defense and the role of stomata in gas exchange, understanding how plants protect themselves and breathe.

这是一套关于动物细胞结构的教学资源，包括课堂演示文稿、标注练习和功能匹配活动，重点讲解细胞核、核糖体、高尔基体和溶酶体。

Students act as the final editorial team for their digital magazine, performing rigorous quality control checks on layout, links, and media to ensure the publication is ready for its public launch. This lesson concludes the magazine project with a focus on professional standards and technical accuracy.

Students learn the fundamentals of digital site architecture by planning and building the framework for their digital publication, focusing on navigation, page hierarchy, and cohesive theme selection.

A hands-on investigation into the global journey of microplastics through ocean currents, where students simulate marine gyres and design localized reduction strategies.

An introductory lesson on evolution covering natural selection, adaptations, fossils, and genetic mutations using visual and accessible formats.

Students culminate their AI literacy journey by designing an AI solution for a real-world problem. They focus on responsible design, identifying potential biases, and ensuring societal benefit.

Students analyze the ethical implications of AI on privacy and identity. They explore deepfakes, facial recognition, and the balance between security and personal freedom.

Middle school students dive into the mechanics of Large Language Models (LLMs). They learn about tokenization, probability, and how AI "predicts" the next word in a sequence.