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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.

Students will design, build, test and optmize their own light-based detector for waves (a simple optical seismometer) and will explore how this detector relates to more sophisticated gravitational wave detectors.

Students will generate and observe waves in a clear pan of water, drawing connections between these waves and light and gravitational waves.

These discussion prompts cover the general properties and types of waves, how humans and other animals detect waves, and the design of laboratory wave detectors.