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

These questions explore past articles about ocean acidification in the Science News archive.

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

Students will search the Science News archive for stories related to the powers and perils of smartphone use.

Students will compare and contrast one of the Top 10 stories of 2017 with an earlier related article from the Science News archive.

Students will read and summarize one of the Top 10 stories of 2017, as reported by Science News.

These discussion prompts cover chloropasts, chlorophyll, photosynthesis and related reactions, and solar cells.

Students will search the Science News archive for stories about photosynthesis and plant roots.

These questions focus on articles about two of the 2017 SN 10: Scientists to Watch. The scientists are studying how plant roots seek water and developing artificial photosynthesis.

Students will work in groups to explore available data and research various aspects of climate change and then present their findings to the class.

These discussion prompts cover radiant energy coming to and from Earth, the effects of global warming on the land, ocean, atmosphere and on species, and possible methods of averting or adapting to climate change.

These discussion prompts cover coral reproduction, photosynthesis and respiration, greenhouse gases, fluorescence and how communities can minimize their impacts on reefs.