• Get Ready for the 2023 & 2024 U.S. Solar Eclipses!

    Guy with a telecscope looking up at the moon.

    No matter what your field of study, you probably remember the excitement of the 2017 total solar eclipse, which was the first in the US in nearly four decades. Tens of millions of people traveled to the path of totality, and the rest of the country saw a partial solar eclipse. Now we are approaching an even more exciting, back-to-back pair of US eclipses (shown on the map above):  

    • Saturday, Oct. 14, 2023: The “warm-up” event: An annular solar eclipse, in which the Moon will not quite fully block the Sun (so that the Moon will be surrounded by a ring, or annulus, of sunlight).
    • Monday, April 8, 2024: The big event: A total solar eclipse following a path from Mexico up through Texas and toward the northeast. More than 30 million people live within the path of totality, and nearly half the U.S. population resides within a about a 5-hour drive of the path. 

    Both eclipses will provide a great opportunity for educators everywhere — and in all disciplines — to take advantage of the excitement to promote education and outreach. The “all disciplines” comes about because eclipses are truly interdisciplinary events. For example, besides the obvious connection to astronomy, eclipses involve mathematics and statistics (in modeling how they occur and doing the necessary calculations to predict and understand them), social sciences and history (in considering the many impacts that eclipses have had on human civilization), the arts (prose, poetry, music, painting), and much more.   

    This means that it is time to start planning for how you will take advantage of this great opportunity. For those of you teaching at the college level, consider taking the following four steps:

    1. Be sure you know where you are located relative to the eclipse paths. You can do this using the free app “Totality by Big Kid Science”, which you can download from the iOS or Android app stores. Based on your location, decide whether you will plan to stay put or travel to the eclipse paths.
    2. Also use the app to find the local time for each of the eclipses, and critically important: Because the total eclipse is on a Monday (April 8, 2024), ask your college to ensure that all students, faculty, and employees can be outside throughout the local eclipse. (The annular eclipse on 10/14/23 is a Saturday, so it should pose less of an issue.)
    3. Plan campus events for the eclipses. Most people find it more fun to watch the eclipse as part of a large group, plus this means you can have speakers to help explain what is happening (and how to watch safely) and to make interdisciplinary connections. You should also have your astronomy department (or anyone else with the necessary equipment) set up telescopes with solar filters for solar viewing.  
      Note: It is very important to emphasize safe viewing of the eclipse; it will be very helpful if your campus can provide eclipse glasses for the event, but be sure you get the glasses only from a vendor that has been approved by the American Astronomical Society (see the “approved vendor list”).
    4. Look for outreach opportunities to ensure that the educational potential of the eclipses will be realized throughout your local community. For example, you might create a temporary “eclipse outreach club” that will give college students an opportunity to share their understanding and enthusiasm with local schools.

    Want to learn more? If you are teaching astronomy, be sure to see our updated section on eclipses in Chapter 2 of the new, 10th edition of The Cosmic Perspective.

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  • Using Mastering Microbiology to Empower Student Learning

    Mastering Microbiology is the online Learning Management System that accompanies the textbook Microbiology: An Introduction. Mastering Microbiology is packed full of instructor friendly resources that aid in student learning and understanding. These resources give students 24/7 access to learning opportunities, allowing them to take ownership of their learning. The Mastering Microbiology resources range from providing students with important background knowledge, to adaptive study tools, to clinical based applications of Microbiology. The resources in Mastering Microbiology are pedagogically focused to provide clear explanations of complex concepts and to engage learners in the material by providing practical applications of microbiology concepts.

    The Mastering Microbiology resources available for Microbiology: An Introduction include:

    In The Clinic Videos: These videos bring to life the scenarios of the “In the Clinic” features that open every chapter. The videos introduce a microbial disease and ask questions linking microbiology concepts to disease pathology. This helps students transfer their knowledge of microbiology to clinically relevant settings.

    Pedagogy – The “In the Clinic” Videos are designed to take concepts found in the disease chapters towards the end of the book and move them forward in the class, introducing disease pathology in concert with the microbiology that explains the how and why behind the pathology. This connection between microbiology and disease pathology occurs in a clinical setting highlighting how microbiology understanding can be transferred to patient care. These real-world examples engage learners and help students develop critical thinking skills.

    How to Assign – These assignments can be assigned after class to allow students to apply the new information they have learned. These assignments can also be used in class to provide active learning and/or peer to peer learning in class. An instructor can show the first part of the video and ask students to hypothesize answers to the questions. This will provide a scaffold for student learning while the instructor lectures over the content. Later on, the class can come back to the videos to see content application and spark classroom discussion. In an online setting, instructors can assign these after chapter reading assignments to apply and assess knowledge students have gained.

    MicroBoosters: MicroBoosters are a suite of brief video tutorials that cover key background concepts students may need to review or relearn prior to diving into more complex microbiology content.

    Pedagogy – Complex microbiology concepts often build from prior knowledge based in biology and chemistry. In a one semester Microbiology class, instructors are pressed for time to cover all of the microbiology concepts in detail, and they may not have time to cover all the background material as well. The MicroBooster video tutorials allow students to learn and review key background knowledge, ensuring they come to class prepared.

    How to Assign – MicroBoosters can be assigned before class to give students the background knowledge they need for lecture topics. Assigning Microboosters before class allows the instructor to review student grades prior to class to determine if students know the needed background information for the lecture. In an online setting, Microboosters can be used either as a warmup before chapter content is assigned, or at the start of the class in a background introduction module.

    Interactive Microbiology: Interactive Microbiology is a dynamic suite of interactive tutorials and animations that teach key microbiology concepts. Students actively engage with each topic and learn by manipulating variables, predicting outcomes, and answering assessment questions.

    Pedagogy – Interactive Microbiology takes a scaffolding approach to presenting complex materials. This concept allows different microbiology concepts to build on one another, helping students to understand the answers to questions and mimic the type of thought process that would occur clinically. Each module starts with a case study to provide students with a real-world hook that increases interest and engagement. The activities use state-of-the-art animations to bring cell biology concepts to life and ask questions that allow students to own their learning and connect microbiology concepts to clinical applications. Interactive Microbiology helps to bridge the core concepts of microbiology like morphology, genetics, and metabolism, with the more advanced concepts of microbiology like pathology, immunology, and pharmacology in a realistic manner that makes the learning genuine.

    How to Assign – Interactive Microbiology assignments can be assigned as post-lecture material, reinforcing and providing application for lecture content. These assignments can also be used to introduce upcoming lecture concepts, helping students connect basic knowledge with more advanced concepts.

    Micro Lab Explorations: Micro Lab Explorations are branching style lab activities that use a Choose Your Own AdventureTM approach to teach lab techniques and concepts. These decision-tree style lab exercises present a clinically based scenario that walks students through the process of using microbiology lab knowledge to solve clinical problems.

    Pedagogy – Decision-tree style lab exercises are designed to increase student ownership and interactivity in online environments, by allowing students to engage in the narrative of the lesson. Students are not just passively watching content, but rather directing the path of the content, answering questions, and learning from their mistakes in a low-stakes environment. These activities also help students develop critical thinking skills by linking microbiology concepts and lab techniques with clinical applications.

    How to Assign – Because Micro Lab Explorations contain videos on how to perform certain lab techniques, they are perfect to assign as pre-labs prior to in-person or virtual labs. Students will not only see the proper way to perform lab techniques but will also learn about the concepts behind the lab and how these lab techniques are used to aid in clinical diagnosis.

    Interactive Labs: Interactive Labs for Microbiology is a suite of online microbiology lab simulations. These interactive labs allow students to perform lab techniques virtually, while receiving guided feedback. 

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  • PAL 4.0: Your virtual accomplice in enhanced A&P learning

    by Ruth Heisler

    Illustration of human torso showing musculature and internal organs with a focus on the heart, lungs, and major vessels.

    Practice Anatomy Lab, or PAL 4.0, is a virtual anatomy lab study and practice tool created by faculty (like me) who teach Anatomy and A&P courses to undergraduates at 2-year & 4-year institutions. It is included within Mastering A&P at no extra cost. Conveniently located in the Study Area, it provides students with 24/7 lab access to the most widely used lab specimens and is inclusive of the most common materials used to teach gross anatomy: human cadavers, anatomical models, histology, cat, and fetal pig. What makes PAL 4.0 a secret weapon in your students’ learning journey is the intentional and helpful extras that promote active learning and encourage students to practice using tools such as:

    • Built-in audio pronunciations. For students and faculty alike! Latin and Greek-based anatomical terms aren’t easy. Make sure you are saying them correctly.
    • Muscle Origin, Insertion, Action animations. These focused animations make it easier to visualize where muscles are attached to the bone, and what the action looks like.
    • Flashcards. Customizable and a student favorite!
    • Practice quizzes. Multiple-choice format. The instructor bank has hundreds of different questions if you want to create a practice or for-credit quiz.
    • Practice lab practicals. Fill-in-the-blank format. The instructor bank has hundreds of different questions if you want to create a practice or for-credit practical.
    • 3D Interactive Models. Students can rotate 360°, remove structures, select to see names, and view side-by-side model/cadaver images for comparison. Each of the 30 models is a tour through a system (or part of a system) and allows students to explore and manipulate.
    • Instructor resources. Looking for an image from PAL that is fully labeled? Want to be able to edit those labels and move the leader lines? Show one of the animations in your lecture? Or maybe you just want an image of a single structure highlighted? Downloadable instructor resource files have all of this and more in editable PowerPoints, making it easy to incorporate into a lecture presentation, create a worksheet, or add to one of your LMS assignments.

    PAL 4.0 nudges students to take control of their own learning by implementing more effective learning strategies that activate different areas of the brain. And we know that utilizing different parts of the brain is an important part of the learning process.
    Intrigued by what it has to offer but overwhelmed by trying to figure out how to incorporate it into your course? Here are some suggestions. (Pro tip: pick just one to start with to see how it works for your class and your style of teaching.)

    Integrate images into your lectures and assignments. Screen shots and editable labeled images are available for every image and highlighted structure by downloading the PAL 4.0 instructor resource files. You can use these images in a multitude of ways: add to your lecture presentation, create a worksheet, or include as part of a quiz or assignment in your course LMS.

    Create and assign pre- or post-lab quizzes in Mastering A&P. Mastering A&P has an extensive test bank that includes hundreds of multiple-choice quiz questions, all of which feature an image from PAL. These questions can easily be selected to create a quiz within Mastering A&P. Assigning the quiz and syncing the grade is easy to do through your LMS.

    Create and assign lab practicals in Mastering A&P, for practice or credit. Students love the opportunity to practice. Mastering A&P has an extensive test bank that includes hundreds of fill-in-the-blank questions, all of which feature an image from PAL. These questions can easily be selected to create a practical within Mastering A&P. This can be created as a practice assignment or assigned for a grade. Syncing graded assignments with your LMS gradebook is easy to do!

    The jigsaw method: encourage students to teach each other. This is a favorite of mine. Students are broken into two or three groups, and each group is assigned a portion of the structures from the weekly lesson to learn before they come to lab. They do this using PAL 4.0. Using the test bank that already exists in Mastering, a short pre-lab quiz can be created to hold them accountable. Once they are in lab, they are paired with someone from the other group and must teach each other the material. As we all know, having to teach someone else is a powerful way to learn!

    Use the interactive 3D models in class. Why show static, 2D images in lecture when you can use a 3D model? I love the way these models can be easily rotated, structures can be removed, and relationships of structures can be better demonstrated. Students can access these 3D models in PAL to review and study. Each model is a series of 3D images that can be manipulated and take you on a tour through a body system or portion of a body system. You really should check these out.

    Use Muscle Origin, Insertion, and Action animations in your lecture or recitation. I will confess to occasionally accessing these animations when I have a hard time explaining an action to a student. Whether you use plastic models, human cadavers, or cats in your lab, it can be extremely hard to see where exactly the muscle originates from and/or where it inserts. These animations isolate a single muscle so all of this is easy to visualize, and then shows and narrates the movement. There are also a series of videos specific to the major synovial joints that demonstrate the muscles involved in movement at that specific joint.

    Impromptu “how to pronounce” breaks during lecture or lab. I frequently use this feature to settle arguments as to the “right way” to pronounce a specific structure. Whether it is a colleague or a student that isn’t quite sure, it is easy to click on the name of a structure in PAL and hear the pronunciation. These pronunciations were all carefully vetted by my eloquent co-author Dr. Nora Hebert.

    Make up assignments or provide extra credit. The last few years have taught us to expect the unexpected. PAL 4.0 can help. If a student has an excused absence or if a weather closure (or pandemic) cancels lab, assigning students to review structures in PAL combined with a quiz or lab practical created in Mastering A&P can replace the missed work.

    Beef up your online course. Prior to COVID, I would have told you it wasn’t possible to successfully teach an anatomy course in an online format. Well, I proved myself wrong. We are fortunate to have resources that make it possible for students to have virtual access to resources that support their learning in an online environment. PAL 4.0 is a perfect tool for helping students learn anatomy and, paired with the assessment tools available in Mastering A&P, provides the perfect partner to your online course.

    Independent & supplemental learning. A favorite feature of students is the ability to create their own flashcards. Additionally, faculty can create a customized list of structures for students to review in PAL 4.0, and then create questions in Mastering around this list.

    There are so many ways PAL 4.0 can be incorporated into your course to better support students’ learning. Have you thought of other ways to use PAL 4.0? We would love to hear about it!

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  • Social justice in the physical science classroom

    by Amy Byron

    blog image alt text

    “Ugh, when am I ever going to use this?” As an educator, how many times have you heard that question? We are living in a time of change. Changes in education, policy, standards and culture are just a few that we’re all struggling through. I enjoy incorporating current news in my lectures and weaving in my students’ everyday life experiences with what I teach. How can we, as educators, help students make new schema and fit it together with their current world view?

    It seems now, more than in the past, these news items carry more weight. If you haven’t taken a close look at your curricular choices lately, it’s worth a revisit.

    Personally, I don’t care if my students become chemistry majors. What I do care about is creating students who have a wider world view and can approach problems with a critical mind to make the world a better place. Before tackling social justice topics in the classroom, however, I need to ensure the proper foundation is in place.

    The foundation

    I haven’t seen any state or university standards with social justice topics embedded in them, especially for the physical sciences. This means I’m going to have to pick and choose which topics are relevant to my curriculum, and which are appropriate for discussion in my classroom. Before you get started looking at topics, ask yourself these questions:

    1. Which topics do I feel comfortable serving as an impartial moderator?
    2. Do I personally have enough background information on this topic to serve as an arbiter of truth?
    3. Discussion of some topics inevitably leads to frank discussions of topics like privilege, poverty, and inequity. Am I comfortable discussing this with students?

    In addition to choosing the right topics for my students, I also need to create a safe learning environment, so my students feel free to discuss a topic from multiple angles without the fear of retribution or judgement. They need to know that their thoughts are valued. Consider the following:

    • When discussing famous scientists (or authors, or explorers, or…) is there only one narrative being presented? In science, the books seem to be dominated by old white men. I enjoy discussing why that is, and who the underrepresented are.
    • Ask students questions with no correct answer and let them discuss various viewpoints. For example, why do we learn about the history of the atom? How much radiation exposure is acceptable to the average human?

    If you think of a question organically while lecturing, pose it to the class. Let them work out the different sides of the issue and take a stand on which they feel is best. As an instructor, I see my role as asking follow-up and probing questions to challenge my students and move dialogue forward.

    Finding a topic

    We can’t cover everything, so we need to find topics which lend themselves well to subjects already covered in our curriculum. Here are a few examples I’ve used in the past with my chemistry classes:

    Flint Water Crisis

    • Solubility
    • Oxidation/reduction
    • Heavy metal toxicity
    • Remediation

    Testing for Banned Substances in Sports

    • Chemical reactions
    • False positive rates and their impact on the lives of athletes
    • Natural vs. unnatural levels of normally occurring chemicals in the body and who sets the benchmark for what is deemed “illegal”

    5G Safety

    • Electromagnetic spectrum
    • Wave characteristics
    • Energy
    • How cell phones work

    Nuclear Byproducts at Bikini Atoll, Fukushima, and Chernobyl

    • Nuclear fission
    • Decay products
    • Half-life
    • Dosage
    • Environmental concerns

    Microplastics in the Ocean

    • Decomposition
    • Remediation
    • Separation of matter

    Clean Water and Sanitation Issues

    • Separation of matter
    • Decomposition
    • Chemical testing
    • Engineering and materials design

    Your vision

    How do you envision leading your students through the analysis of a multifaceted topic? There are many ways to do this as there are topics. Here are a few I personally enjoy:

    Group Discussion or Socratic Seminar

    Having students prepare ahead of time is critical for an engaging discussion. I generally have my students write out their ideas and thoughts as a homework assignment prior to the discussion so that they have a position developed which is supported in fact.

    Mock Trial

    Have student take different roles based on their opinions and desires. Have the different sides to the argument present, and ultimately the jurors (other classmates) will make a decision on who made the most compelling case.

    Snowball Discussion

    Students will form groups in pairs and discuss the issue. After a set amount of time, the pairs will form groups of four and discuss again. After some time, the groups of four will combine into groups of eight and so on until the entire class is one big group.

    Writing Prompt

    Most Learning Management Systems have a feature that allows for a question to be asked, without students viewing other student responses until they submit. I like this type of framing because limiting student exposure to other ideas will ensure that what they write is truly their position, without the sway of other ideas.

    Laboratory Exercise

    For some of the topics I mentioned earlier, students can move their ideas into the laboratory to develop cost-efficient ways to solve real-world problems. For example, students can design a field test for water quality, creation of drainage covers that allow for efficient cleaning and reduction of pollution from run-off, or design methods to turn human waste into fertilizer.

    Wrap things up in a bow

    Once you are done exploring an issue, there should be some sort of resolution. That does not mean that a side needs to be taken, or that something needs to be called “right” or “wrong.” Students inherently always want to know the answer to a question.

    “How many covalent bonds are there in one water molecule?”

    But some questions don’t have a concrete or finite answer.

    “What does the atom look like?”

    It’s those questions that are much more difficult. We have a good approximation, but no definite answer. The same can be said of social justice issues. Encourage your students to look at issues from all sides and do their best to understand the perspectives of others. When there are no correct answers, my best hope for my students is to base their conclusions on concrete data and to take the lead in making the world a better place for all.

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