Search Results

A lesson in lipids

These discussion prompts ask students to think in more detail about lipids, their hydrogenation and related scientific areas.

Search for stories on trans fats

Students will search the Science News archive for additional articles related to trans fats.

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.

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.

Beyond today’s batteries

Students will search the Science News archive for stories related to battery research.

Seeking next-gen batteries

Based on the Science News article "Charging the future," these questions focus on battery design, how lithium-ion batteries compare with newer types and the nature of experimental design.

Written in rock

These discussion prompts cover the types of rocks and minerals found on Earth, and isotopes, their measurement and their applications.

Our changing planet

These discussion prompts cover radiant energy coming to and from Earth, the effects of global warming on the land, ocean, atmosphere and on species, and possible methods of averting or adapting to climate change.

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.

Illuminating catalysts

Students will test different types of catalysts and conditions for the light-producing luminol reaction.