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  • 3D Print Model of the Mars Curiosity Rover, printed from NASA 3D Resources (https://nasa3d.arc.nasa.gov/detail/mars-rover-curiosity)

    Exploring the March to Mars Using 3D Print Models

    Learning Objectives
    • Students will be able to describe the major aspects of the Mars Curiosity Rover missions.
    • Students will be able to synthesize information learned from a classroom jigsaw activity on the Mars Curiosity Rover missions.
    • Students will be able to work in teams to plan a future manned mission to Mars.
    • Students will be able to summarize their reports to the class.
  • Enzymatic avocado browning is driven by polyphenol oxidase. Mashed avocado pulp is bright green but turns dark brown over the course of two hours at room temperature in the presence of air and salt. This reaction can be accelerated or inhibited by more than 20 different testable reagents, allowing students to explore experimental design.

    The Avocado Lab: An Inquiry-Driven Exploration of an Enzymatic Browning Reaction

    Learning Objectives
    Students will be able to:
    • develop a testable research question and supportive hypothesis regarding the browning of damaged avocado flesh caused by the activity of avocado polyphenol oxidase (aPPO).
    • design and execute a well-controlled experiment to test aPPO hypotheses.
    • evaluate qualitative enzyme activity data.
    • create a figure and legend to present qualitative data that tests multiple hypotheses and variables.
    • search for and correctly cite primary literature to support or refute hypotheses.
    • know the role of reducing reagents, pH, chelators, and temperature in reactions catalyzed by aPPO.
    • explain why the effects of salt and detergent differ for aPPO experiments conducted in situ
    • (in mashed avocado flesh) as compared to in vitro (on purified protein).
    • discuss how substrate and cofactor availability affect aPPO reactions.
    • describe how endogenous subcellular organization restricts aPPO reactions in a healthy avocado.
    • evaluate food handling practices for fruits expressing PPO.
  • Students present their posters to classmates and instructors during a poster fair.

    Discovery Poster Project

    Learning Objectives
    Students will be able to:
    • identify and learn about a scientific research discovery of interest to them using popular press articles and the primary literature
    • find a group on campus doing research that aligns with their interests and communicate with the faculty leader of that group
    • create and present a poster that synthesizes their knowledge of the research beyond the discovery
  • Hydrozoan polyps on a hermit-crab shell (photo by Tiffany Galush)

    A new approach to course-based research using a hermit crab-hydrozoan symbiosis

    Learning Objectives
    Students will be able to:
    • define different types of symbiotic interactions, with specific examples.
    • summarize and critically evaluate contemporary primary literature relevant to ecological symbioses, in particular that between hermit crabs and Hydractinia spp.
    • articulate a question, based on observations of a natural phenomenon (in this example, the hermit crab-Hydractinia interaction).
    • articulate a testable hypothesis, based on their own observations and read of the literature.
    • design appropriate experimental or observational studies to address their hypotheses.
    • collect and interpret data in light of their hypotheses.
    • problem-solve and troubleshoot issues that arise during their experiment.
    • communicate scientific results, both orally and in written form.
  • “Quantifying variation in biodiversity” Groundhogs (Marmota monax) with conspicuous variation awaiting measurements.

    Teaching Biodiversity with Museum Specimens in an Inquiry-Based Lab

    Learning Objectives
    Students completing this lab module will:
    • Learn how to appropriately handle and measure museum specimens.
    • Develop the necessary statistical skills to analyze museum specimen data.
    • Become familiar with how to search an online museum database and integrate supplemental data with their own dataset.
    • Strengthen scientific communication skills by presenting research to their peers.
    • Demonstrate ability to investigate scientific questions and address obstacles that occur during data collection and integration.
    • Increase proficiency in managing and using large datasets for scientific research.
    • Make connections between natural history knowledge and morphology of organisms in developing and testing hypotheses.