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This guide explores the decades-long warming trend in the Arctic and the effects that warming is already having on sea life, including phytoplankton blooms.

Students will think through and diagram an Arctic and local food web and will explore how ecosystem disruptions can impact the food webs.

These discussion prompts ask students to design a strategy for minimizing or mitigating the effects of Arctic phytoplankton blooms for one group of people.

Students will answer questions based on the Science News article "The case of the Arctic's missing ice."

This guide introduces students to the history and current state of Earth’s magnetic field, the structure of Earth’s interior and concepts related to energy transfer.

Students will learn how interactions among the protons and neutrons in the atomic nucleus affect the properties and stability of chemical elements, and how these properties could inform the creation of future elements.

After thinking through concepts related to processes in the Earth's core, students will use these prompts to create a diagram of the geodynamo.

Students will answer questions based on the Science News article "Earth's inner core is relatively young."

This guide explores how scientists combine approaches from different scientific fields to study ancient locomotion.

Students will use what they know about physics and human range of motion to analyze classmates’ trackways and infer how their classmates made the tracks.

These discussion prompts encourage students to apply their knowledge of experimental design.

Students will answer questions based on the Science News article "Robot re-creates a tetrapod's moves."