United States

In recent years, there has been a significant growth in the curricular resource available to instructors teaching Introductory Physics for the Life Sciences (IPLS) courses. The development of the Living Physics Portal site has helped faculty engaged in curricular redesign of our IPLS courses build a shared sense of community, while also providing excellent curricular materials for modification use and in our courses. In this talk, I will share my experiences participating in the Living Physics Portal community. Using examples from scaling laws, mechanics and electrostatics, I will describe how curricular materials from the portal have helped student engagement in my IPLS courses. I have also participated in the portal’s “curriculum swap” working groups where faculty from across the U.S. and beyond discussed and shared ideas on course design, pedagogical methods, and instructional challenges in physics courses. This talk will reflect on the opportunities and challenges in these community-building initiatives.

AAPT WM 21

Building Community and Better Pedagogy through the Living Physics Portal

curricular reform

ipls

physics education

Join us in exploring emergent themes in PER as a scholarly endeavor and as a research community!  Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?
Following the lead of AAPT for the summer meeting, PERC 20/20 was virtual. Enjoy browsing the content.

PERC SM 20

Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?

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AAPT® is a strong professional physics science society dedicated to the pursuit of excellence in physical science education.

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- discuss innovations in teaching methods
- share the results of research about teaching and learning.

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In 2019 Los Angeles Pierce College, with support from NASA's Minority Undergraduate Research and Education Program, developed a new Introduction to the Solar System Lab course to support the already existing, similarly-titled, lecture course. In this lab course students:&nbsp;use video games (PlanetMechanic, Kerbal Space Program, and Universe Sandbox) to explore the universe on their terms;&nbsp;observe 30+ different meteorite&nbsp;hand samples including some from Mars and the Moon;&nbsp;3d print original designs&nbsp;and build lego robots,&nbsp;then combine their knowledge in both topics to develop a miniaturized model of a mission to a destination in space based on a mission design they create from NASA JPL's game Astrobiobound. We discuss the&nbsp;first semester of the course (Fall 2019) but the Spring 2020 semester was canceled part way through due to an inability to fully transition online after COVID.

Los Angeles Pierce College/NASA MUREP Solar System Lab

When pondering the question of whether or not life exists elsewhere in the galaxy , Enrico Fermi asked his now famous question ”If they are out there, why aren’t they here?”” Towards the end of a large enrollment one – credit, semester - long course on ”Aliens,” students were asked which of the three general answers:&nbsp;1-We ARE alone; 2-We ARE NOT alone and they are NOT here; or 3-They ARE here , but we don’t KNOW it; they subscribed to and&nbsp; why . The responses were then used to create a&nbsp; Fermi Paradox Survey&nbsp; in which students were asked again to choose one of the three general answers then choose from possible reasons fashioned from common student responses in the “Aliens” course. Results from the “Aliens” course and the Survey’s use in a more general astronomy course covering the solar system, exoplanets and life will be discussed.

A Fermi Paradox Survey

Are we alone? Humans have been asking this question throughout history.&nbsp; &nbsp; We want to know whether there is life beyond the Earth and whether any of it is intelligent.&nbsp; Since the middle of the twentieth century we have had tools that permit us to embark on a scientific exploration to try to answer this old question.&nbsp; &nbsp;We have discovered extremophiles in the most unexpected places on this planet and we have discovered that there really are far more planets than stars out there.&nbsp; We haven’t yet found life beyond Earth, but there is a vast amount of potentially-habitable real estate to explore. As we look up and look out, we are forced to see ourselves from a cosmic perspective; a perspective that shows us as all the same, all Earthlings.&nbsp; This perspective is fundamental to finding a way to sustain life on Earth for the long future.&nbsp;

A Cosmic Perspective: Searching For Aliens, Finding Ourselves

In less than 25 years, the study of exoplanets has grown from a niche field to one with groups at most universities, international conferences, and prominent NASA and European missions. Exoplanet discoveries have moved from individual finds to announcements of hundreds of planets at a time. Currently, there are more than 4,200 confirmed exoplanets with the majority of these discovered by measuring the dimming as they pass in front of their host star. The discovery of thousands of exoplanets by NASA's Kepler Mission has shown that planets orbit most stars in our Galaxy and that potentially habitable planets are common. Scientists are working now to understand the characteristics of these planets, including their sizes, masses, and composition. The TESS Mission has so far found more than 50 nearby planets that can be targets for current and future telescopes to detect and characterize their atmospheres and look for indications of life.&nbsp;

Exoplanets -- Moving from Discovery to Understanding

We are living in an exciting time for astronomical exploration, with an explosion of exoplanet discoveries from ground and space-based telescopes. Many of these discoveries rely on the transit method-- the search for periodic brightness dips as a planet passes in front of its host star. As part of exoplanet transit searches, NASA space missions such as Kepler, K2, and TESS have returned millions of sequential images of the sky. What many people do not know is that these images are publicly available to all, whether astronomer, educator, or curious student. In this presentation, I will discuss opportunities to participate in the search for exoplanets by viewing and analyzing space telescope data. These include the Planet Hunters citizen science project, as well as open source software for those with basic programming knowledge. I will conclude with examples of discoveries made by students and amateur astronomers.

Exoplanet Discovery: From the Cosmos to the Classroom

Machine Learning (and its cousin Deep Learning) is rapidly making inroads into almost every academic and commercial endeavor.&nbsp; Astronomy is no exception.&nbsp; Researchers are developing tools to classify stars, identify quasars, correct adaptive optics for atmospheric noise, and many other applications.&nbsp; Learning these tools is becoming an essential facet of graduate study.&nbsp; However, I have not yet found anyone incorporating them into the undergraduate introductory astronomy lab.&nbsp; I recently taught a three-week general education course on machine learning for non-scientists, and I am adapting the activities from that course to an introductory laboratory sequence in an upcoming course on Galaxies and Cosmology.&nbsp; I will report on the success of my first course and how I plan to teach beginners to use Python tools in the Google Colaboratory on publicly available Astronomical data sets to deepen their understanding of the universe.

Bringing Machine Learning to Introductory Astronomy Labs

Experimental uncertainty and the epsilon-delta proof provide a rich example of a thread that weaves together topics in introductory physics, calculus, and engineering design. This thread presents an opportunity for deepening the connection between calculus and physics, strengthening conceptual understanding in both fields, and expanding students’ understanding of both experimental uncertainty and propagated error as constraints informing the design of an experiment rather than simply an unavoidable consequence of some procedure. We discuss the connections and describe several activities that help students explore the thread.

Connecting Experimental Uncertainty to Calculus and to Engineering Design

For the past four years, researchers at OSU have been collecting attitudinal and motivation data from physics graduate students at several universities across the Midwest The data collected pertain to factors associated with retention at the undergraduate level in STEM, but most of these factors have not previously be studied at the graduate level. These factors include sense of belonging, physics identity, self-efficacy, and cost, among others. In this talk, we will present a brief snapshot of some of these factors for students from different institutions, but at a single time point. We will also look at a longitudinal picture of how these factors tend to change as students progress toward a Ph. D.

Attitudinal and Motivational Factors in Graduate Students: Cross-sections and Evolution

We live in the new era of multi-messenger astronomy, with the Laser Interferometer Gravitational wave Observatory (LIGO) and Virgo gravitational wave detectors partnering with telescopes around the world to study cosmic collisions of black holes and neutron stars. This new astronomy allows us to peer deeper into the cosmos and reach farther back into the history of our Universe than ever before. In the coming decades we will explore our Universe using detectors that reach across the gravitational wave spectrum, including a world-wide network of Earth-based detectors, the European Space Agency (ESA) and NASA Laser Interferometer Space Antenna (LISA), and the galactic-scale pulsar timing arrays (PTAs) such as the North American Nanohertz Observatory for Gravitational waves (NANOGrav). We have learned from the history of astronomy to expect the unexpected when opening a new window on the Universe and we now sit on the threshold of a wealth of exciting discoveries.

Astrophysics Across the Gravitational Wave Spectrum

As we approach the fifth anniversary of the first detection of gravitational waves from a binary black hole merger, the LIGO and Virgo detectors have collected an impressive census of compact binary mergers in the local universe. By the end of the second observing run in August 2017 the LIGO Scientific Collaboration and Virgo Collaboration claimed a total of 10 binary black hole mergers and one binary neutron star merger. The third observing run spanned April 2019 through March 2020, during which the collaborations alerted the astronomical community of 56 merger candidates.&nbsp; Thus far, the exceptional events announced by the collaboration include GW190425, GW190412, GW190814, and GW190521. I will present some of what this cosmic soundtrack has taught us about black holes in particular over the last five years, and what may lie ahead.

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Los Angeles Pierce College/NASA MUREP Solar System Lab

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