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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.

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.

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

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.

This guide covers research investigating how cancer cells can hide from the immune system with the help of cell-surface sugars, as well as related topics.

This guide introduces students to the basics of battery design, including the chemical reactions involved, and even encourages students to build and test their own batteries.

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