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Students will answer questions based on the Science News article "Hermit crabs are drawn to the dead."

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 explore volcanic explosivity and collapse, the ecosystem and health effects of eruptions and how to keep people safe during natural disasters.

Students will explore how rising carbon dioxide is threatening a lake food web, and will measure how the environment affects the heart rate of water fleas.

These discussion prompts cover the pH scale, the solubility of gases, food webs and how organisms react to climate change.

Students will answer questions based on the Science News article "Rising CO2 threatens lake food webs" and an accompanying graph tracking pH.