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Trans fat ban as public health experiment

Students will answer questions based on the Science News article "Data back ban of artificial trans fats," with a special focus on data collected and analyzed by researchers.

How is yogurt made?

Students will culture yogurt bacteria with and without antibiotics to test the bacteria's sensitivity and then stain microscope slides to determine if the bacteria are gram-positive or gram-negative.

Our ongoing battle with bacteria

These discussion prompts focus on the nature of bacteria and types of antibiotics, as well as methods for dealing with antibiotic resistance.

A look back at antibiotics

Students will search the Science News archive for stories related to antibiotics and bacterial infections.

Reviewing bacterial defenses

These questions focus on student understanding of gram-negative bacteria and the bacteria's response to antibiotics.

Opening a battery’s black box

These discussion prompts ask students to think about ways that different elements create varied results in battery design, and related redox reactions.

From lactose to glucose

Students will test the effect of different conditions on lactase, an enzyme that catalyzes the conversion of milk sugar to simple sugar.

Catalysts 101

These discussion prompts cover the basics of chemical catalysts, enzymes as biological catalysts, the energies and physical properties of catalysts, plus related applications.

Seeking new catalysts

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.

Mowing down cancer cells

Working in pairs, students will analyze a graph of data from one of the cancer experiments described in "Cancer's sweet cloak."

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.

Archives track a long war

Students will explore the history of cancer therapy research by searching the Science News archive.