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#iteachphysics

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Joe Heafner<p>Our NSF grant was terminated, but OPTYCs isn’t going anywhere. Our Continuing Professional Development Workshps continue! TYC (aka community college), as well as HS and FYC/UNI, physics faculty, are invited to attend FREE workshops! We also host PER (Physics Education Research) sessions! <a href="https://scholar.social/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://scholar.social/tags/TYC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TYC</span></a> <a href="https://scholar.social/tags/OPTYCs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OPTYCs</span></a> <a href="https://scholar.social/tags/PER" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PER</span></a> </p><p><a href="https://optycs.aapt.org/events/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">optycs.aapt.org/events/</span><span class="invisible"></span></a></p>
Sunanda<p>15 years of teaching (in some capacity or another)</p><p><a href="https://mstdn.social/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://mstdn.social/tags/ITeachEngineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachEngineering</span></a></p>
Joe Heafner<p>This looks to be a must-have addition to the library. <a href="https://scholar.social/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://scholar.social/tags/Vectors" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Vectors</span></a> </p><p>Vectors in Physics: A Practical Guide with Problems and Solutions <a href="https://link.springer.com/book/9783032033567" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">link.springer.com/book/9783032</span><span class="invisible">033567</span></a></p>
STEMcoding Project<p>We're excited to release <a href="http://stemcoding.github.io" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">http://</span><span class="">stemcoding.github.io</span><span class="invisible"></span></a> which has an activity explorer where you can find all 44 of our activities! Check it out! <a href="https://mastodon.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> <a href="https://mastodon.social/tags/iteachmath" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachmath</span></a> <a href="https://mastodon.social/tags/AAPTSM25" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AAPTSM25</span></a> <a href="https://mastodon.social/tags/datascience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>datascience</span></a> <a href="https://mastodon.social/tags/CS4All" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CS4All</span></a> <span class="h-card" translate="no"><a href="https://a.gup.pe/u/edutooters" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>edutooters</span></a></span></p>
Rhett Allain<p>How do you model a mass on a spring when the spring isn't massless? Here is a <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> video with all the details using <a href="https://mastodon.social/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://mastodon.social/tags/vpython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vpython</span></a> <a href="https://mastodon.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p><a href="https://youtu.be/AuBaQLGe8kI" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/AuBaQLGe8kI</span><span class="invisible"></span></a></p>
Joe Heafner<p>[2501.04219] Framing the Fundamental Theorem of Calculus Through Physics-Based Quantities <a href="https://scholar.social/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://scholar.social/tags/ITeachMath" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachMath</span></a> <a href="https://scholar.social/tags/Calculus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Calculus</span></a> <a href="https://scholar.social/tags/Physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physics</span></a> </p><p><a href="https://arxiv.org/abs/2501.04219" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2501.04219</span><span class="invisible"></span></a></p>
Rhett Allain<p><a href="https://mastodon.social/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> - how do you model the motion of a mass on a spring when the spring is not actually massless? <a href="https://mastodon.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p><a href="https://rjallain.medium.com/physics-lab-assumptions-can-be-wrong-how-do-you-model-an-oscillating-mass-on-a-heavy-spring-7fd518e813d7?sk=0f0fd830d035b53fcd70777ea8f94772" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">rjallain.medium.com/physics-la</span><span class="invisible">b-assumptions-can-be-wrong-how-do-you-model-an-oscillating-mass-on-a-heavy-spring-7fd518e813d7?sk=0f0fd830d035b53fcd70777ea8f94772</span></a></p>
Kelly Lepo<p>New from NASA's Universe of Learning:</p><p>Cosmic Canvas Program Guides, creative, hands-on activities that explore observation and model making through art and science.</p><p>The free guides are designed for facilitators of all backgrounds. They include science background information, helpful links, and tips for adapting activities – no science expertise needed.</p><p>I was on the project team that created these guides, and I think they are really good. You should check them out. Links below ⬇️</p><p><a href="https://youtu.be/c1a9oCv8H6I" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/c1a9oCv8H6I</span><span class="invisible"></span></a></p><p><a href="https://scicomm.xyz/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://scicomm.xyz/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://scicomm.xyz/tags/ITeachAstronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachAstronomy</span></a></p>
phyphox project<p>Create your own menu entries or customise the default experiments to suit your needs? The phyphox web editor has been updated to support the app version 1.2.0.</p><p><a href="https://phyphox.org/editor/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">phyphox.org/editor/</span><span class="invisible"></span></a></p><p>There are some substantial changes under the hood. Most of the teething problems should be eliminated now. Please report back if you spot something weird.</p><p><a href="https://bildung.social/tags/ITeachPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITeachPhysics</span></a> <a href="https://bildung.social/tags/MINTEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MINTEdu</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a></p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/MintEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEdu</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> <a href="https://bildung.social/tags/Weltraum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Weltraum</span></a> <a href="https://bildung.social/tags/Sonne" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sonne</span></a> <a href="https://bildung.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://bildung.social/tags/FediEltern" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediEltern</span></a></p><p>Welche Farbe hat die Sonne?</p><p>Die Erklärvideos auf dem <a href="https://bildung.social/tags/YouTube" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>YouTube</span></a> Kanal von Martin Apolin sind wirklich hervorragend gemacht. Und beim letzten Satz im folgenden Video musste ich tatsächlich laut lachen. Denn dieses Argument leuchtet nun wirklich auch kleinen Kindern ein:</p><p>Eine gelbe Sonne sieht auf weißem Papier einfach viel besser aus…</p><p>;-)</p><p><a href="https://youtu.be/Y171qbJ5tJQ?si=EpzYjBM13Ttt5MHw" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/Y171qbJ5tJQ?si=EpzYjB</span><span class="invisible">M13Ttt5MHw</span></a></p>
Rhett Allain<p>Since I was complaining about the OpenStax <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> chapter on energy - I wrote my own version. Here's my first draft. <a href="https://mastodon.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p><a href="https://rhettallain.com/2025/07/20/algebra-based-physics-chapter-work-energy/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">rhettallain.com/2025/07/20/alg</span><span class="invisible">ebra-based-physics-chapter-work-energy/</span></a></p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p>Spannende Zeitrafferaufnahme…</p><p>Hier werden die Fixsterne festgehalten und die Erde rotiert "unter dem Sternenhimmel" hindurch. Dadurch entsteht ein interessanter Perspektivwechsel.</p><p>So kann man sich die Rotation der Erde um die eigene Achse gut vorstellen.</p><p>Quelle: <a href="https://youtu.be/t78tWkbCETc?si=jo4wfaLYI8nZro8y" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/t78tWkbCETc?si=jo4wfa</span><span class="invisible">LYI8nZro8y</span></a></p>
lutz_<p><span class="h-card" translate="no"><a href="https://muenchen.social/@electricfusionQ" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>electricfusionQ</span></a></span> <a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a></p><p>Ah, dann habe ich Deine Frage erst jetzt richtig verstanden.</p><p>Bei der im Video verwendeten Frequenz 3,4 kHz = 3400 Hz beträgt die Wellenlänge </p><p>\lambda = c/f = 340 m/s / 3400 Hz = 0,10 m = 10 cm. </p><p>Also müssten der untere und der obere Kopfhörer wahlweise 5 cm, 15 cm oder 25 cm voneinander entfernt sein, damit sich die beiden Schallwellen auslöschen (destruktive Interferenz)…</p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p>Eindrucksvolles Experiment zur destruktiven Interferenz gleichlaufender Wellen. </p><p>Ein Ohrhörer liegt im Inneren der Küchenrolle auf dem Tisch. Der zweite Ohrhörer wird von oben in die Rolle hinabgelassen. Am manchen Stellen löschen sich die beiden Schallwellen gegenseitig nahezu vollständig aus.</p><p>Mr. Spock würde sagen: „Faszinierend…!“</p>
lutz_<p><span class="h-card" translate="no"><a href="https://bildung.social/@JnBckr" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>JnBckr</span></a></span> </p><p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p>Danke für den Hinweis auf <a href="https://bildung.social/tags/GeoGebra" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GeoGebra</span></a> </p><p>Dem Autor dieser Aktivität folge ich bereits, hatte diese Aktivität aber nicht mehr auf dem Schirm…</p>
lutz_<p><span class="h-card" translate="no"><a href="https://toot.kif.rocks/@jalmer" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jalmer</span></a></span> </p><p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a></p><p>Das sieht interessant aus. Damit könnten die SuS dann auch reale Situationen mit Meereswellen nachbauen…</p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p>Gibt es eigentlich irgendeine Online-Simulation, mit der man die Grundversuche mit Wasserwellen in einer Wellenwanne simulieren kann?</p><p>Gibt es da etwas?</p>
Rhett Allain<p>Fun <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> lab - measuring the energy in a capacitor by discharging it. <a href="https://mastodon.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> </p><p><a href="https://rjallain.medium.com/physics-lab-energy-stored-in-a-charged-capacitor-d4e91d3d3bd5?sk=7a5a88e3d39464a520899a1f5b5d45d0" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">rjallain.medium.com/physics-la</span><span class="invisible">b-energy-stored-in-a-charged-capacitor-d4e91d3d3bd5?sk=7a5a88e3d39464a520899a1f5b5d45d0</span></a></p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/MintEudu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MintEudu</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a> <a href="https://bildung.social/tags/iss" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iss</span></a> <a href="https://bildung.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://bildung.social/tags/Weltraum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Weltraum</span></a> </p><p>Der sogenannte Tennisschläger- oder Dschanibekow-Effekt:</p><p><a href="https://de.wikipedia.org/wiki/Dschanibekow-Effekt" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">de.wikipedia.org/wiki/Dschanib</span><span class="invisible">ekow-Effekt</span></a></p><p>Also, in meinem nächsten Leben werde ich Astronaut, denn auf der <a href="https://bildung.social/tags/internationalspacestation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>internationalspacestation</span></a> kann man schon lustige Dinge anstellen…</p><p>Quelle: <a href="https://mastodon.social/@wonderofscience/114820538978651678" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.social/@wonderofscien</span><span class="invisible">ce/114820538978651678</span></a></p>
lutz_<p><a href="https://bildung.social/tags/FediLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediLZ</span></a> <a href="https://bildung.social/tags/BlueLZ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueLZ</span></a> <a href="https://bildung.social/tags/Physik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physik</span></a> <a href="https://bildung.social/tags/PhysikEdu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysikEdu</span></a> <a href="https://bildung.social/tags/iteachphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iteachphysics</span></a></p><p>Warum springt der Tischtennisball im Pappbecher nach dem Aufprall wieder nach oben, wenn etwas Wasser im Pappbecher ist, ohne Wasser jedoch nicht?</p><p>Interessante Fragestellung. Was meint ihr?</p><p><a href="https://youtu.be/F27Ya1kZ2E0?si=acD6JQtjOSPcrm07" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/F27Ya1kZ2E0?si=acD6JQ</span><span class="invisible">tjOSPcrm07</span></a></p>