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Probing moon formation

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

How Earth Got its Moon

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.

Biomolecules from many angles

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

How sugars hide 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.
illustration of proteins on outside of cancer cell

Cancer’s Sweet Cloak

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.
POWERING THE FUTURE  New chemistries and designs promise to take batteries into the 21st century to store energy from solar and wind farms and send energy to homes and businesses.

Charging the Future

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.

Corals across the disciplines

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