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Students will use common materials to design, build and test their own water purification system.

These discussion prompts ask students about drinking water contaminants and drinking water treatment methods.

Students will answer questions based on the Science News article "Drinkability."

This guide covers drinking water contaminants and technologies that may be used to treat drinking water in small communities.

This guide explores dietary supplements available in the United States and the regulations surrounding them.

Students will analyze the amount of a chemical in a dietary supplement.

These discussion prompts cover the major types of vitamins and their sources, and how vitamin levels impact health.

Students will answer questions based on the Science News article "Tainted supplements flood the market."

Analyze graphs related to the Science News article "Gene drive wipes out lab mosquitoes."

This guide reviews several experimental methods that might keep a patient’s own immune system from rejecting a transplanted organ.

These discussion prompts ask students to define key science terms relating to immunology and organ physiology, and explore the history of organ transplantation.

Students will answer questions based on the Science News article "Transplant tolerance."