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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.

This guide introduces students to the wide world of bacteria, bacterial infections, antibiotics and antibiotic resistance.

After reading about the results of a ban on trans fats, students can explore the nature of lipids in greater detail, including analyzing foods for the presence of fats.

This guide explores a wide variety of catalysts and their roles in chemical reactions, and covers recent research seeking alternative catalysts.

This research-focused guide is inspired by the International Science and Engineering Fair, or ISEF, the world's largest international pre-college science competition.

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.

Students will search the Science News archive for other stories related to moon formation.

These questions focus on ideas about the origin of Earth's moon and evidence that supports various explanations of its formation.

This guide explores scientists' ideas for how the Earth got its moon, and the evidence that supports those ideas. Students can even calculate relevant lunar properties for themselves.

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.