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These discussion prompts cover the types of rocks and minerals found on Earth, and isotopes, their measurement and their applications.

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.

Students will search the Science News archive to explore the history of catalytic material technology.

These questions focus on the use of catalysts in common industrial reactions and new research on alternatives to the precious metals currently used as catalysts.

Students will calculate the angular momentum and density of the moon and consider the implications of the results for various theories of the moon's origin.

Working in pairs, students will analyze a graph of data from one of the cancer experiments described in "Cancer's sweet cloak."

These discussion prompts cover molecular structures and properties of sugars, proteins and lipids, as well as questions related to the immune system and cancer.

Students will explore the history of cancer therapy research by searching the Science News archive.

These questions, based on the Science News article "Cancer's sweet cloak," highlight observations about cell-surface sugars and their ability to hide cancer cells from the immune system.

These questions focus on gravitational waves, gravitational wave detectors and how observing gravitational waves can improve our understanding of the universe.

These student questions focus on autonomous vehicles and the nature of research that will support their widespread use.