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Scientists would like to breed cats that don’t trigger allergies in people. By constructing and analyzing a Punnett square for two low-allergen cats, students will review key concepts including patterns and probabilities of inheritance, genotype, phenotype, genes, alleles, chromosomes and mutations.

This guide asks students to explore how scientists are combating cat allergies, apply problem-solving strategies to an allergen of their choice, review basic concepts in genetics and analyze Punnett squares.

Students will answer questions about the Science News article “How to lick cat allergies,” which explores some potential solutions to prevent and calm allergic reactions.

Students will identify and categorize various approaches to fending off cat allergies. After discussing the approaches, students will apply similar problem-solving strategies to a new allergen.

Students will explore how our sense of smell helps us interpret the world around us, and how those interpretations may vary. Students will practice analyzing data and determine how temperature affects vapor pressure and thus the intensity of scents.

This guide, based on the Science News article “Here come the (bigger) mammals,” asks students to analyze a graph about a recent fossil find, discuss how organisms evolve as ecosystems change and research important fossil sites across the world.

Students will answer questions based on the Science News article “Here come the (bigger) mammals.”

Students will explore the immediate and long-term effects of specific environmental disturbances, including how energy enters or leaves an ecosystem, how the biotic and abiotic characteristics of the ecosystem change and how organisms evolve under the new conditions.

In this activity, students will research important fossil sites across the world and synthesize what they find into a story to present to the class.

This guide, based on Science News’ article “Nobel prize winners announced,” asks students to summarize the discoveries that won the prizes, create a timeline that puts one prize in context and explore activities related to batteries from our Digital Library.

Students will answer questions based on the Science News article “Nobel Prize winners announced.”

Students will answer questions based on the Science News article “The next champs of green chemistry.”