Scale of the Universe

One of my former students (who is still a Twitter user) pointed me to this fantastic animation of powers of 10 meters, called “Scale of the Universe 2.”  I think you’ll appreciate the design and relevance of the objects the authors, Cary and Michael Huang, use to help the user to understand the relevance of scale.  Just like Powers of 10, you can zoom from the smallest part of a cell to the edges of the universe.     The authors have a collection of science- and math-oriented animations at HTwins.net that might be worth checking out too.  They also have...

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eLearning Tools for STEM

For anyone who has ever had trouble convincing your administration to give you the proper tools to teach online, I give you this little gift: eLearning Tools for STEM, published today in eLearning Magazine. The tools for STEM eLearning Tablets Recording & editing software Jing Equation software and training Synchronous communication system Online homework system Other head-turning resources for STEM Wolfram Demonstrations Digital libraries (a lengthy list) Video collections (another list) TI-SmartView Other tips (about accessibility, computer labs, etc) can be found at the end of the article. You can read about all the tools, and why I recommend them, by going to the article, eLearning Tools for STEM. Possibly Related Posts: Group Exploration in Math Learning at Scale Slides from ICTCM Elaborations for Creative Thinking in STEM The Importance of Findability for Learners Learning Math is Not a Spectator...

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Interactive Simulations from PhET

PhET (Physics Education Technology) consists of a group of scientists, software engineers, and science educators from the University of Colorado at Boulder, who are striving to create effective, interactive learning tools.  Their work spans the fields of physics, biology, chemistry, earth science, and mathematics.  Much care has been taken in the design of each simulation.  The developers use a research-based  strategy to implement the most effective visual cues for learning.  User-interviews are held routinely.   Members of PhET have learned that animated responses are effective, as well as,  the use of a “click and drag interface”.  There’s more:  each simulation comes with lesson plans that have been submitted by instructors.  The simulations are free and require flash and java to run. Here is an applet on estimation: Here is Calculus Grapher, which shows the relationship between a function and its derivative. And a Plinko Probability applet that shows a histogram that approaches the Binomial Distribution. Possibly Related Posts: Group Exploration in Math Elaborations for Creative Thinking in STEM Learning Math is Not a Spectator Sport Recorded Webinar: Teaching Math in 2020 AMATYC Keynote Notes: Challenge and...

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Sixty Symbols

Do you ever come across a Greek symbol in your reading and think, “now what does that stand for again?”  Professors and other experts at the University of Nottingham have made a series of YouTube videos that will (hopefully) jog your memory.  Their site is called Sixty Symbols (I wonder what they’ll do when they find more than 60 symbols?). They also may make nice descriptors for those symbols you cover in class.  You can also embed the videos in an online course shell in the appropriate topics. Here’s ∞ (infinity) for your any level of math class after the first discussion of interval notation. And j (for imaginary numbers, which is i in many U.S. math texts). Or how about ω (angular velocity) for that Trig class you’re teaching? Possibly Related Posts: Group Exploration in Math Learning at Scale Slides from ICTCM Clickety Click Click: Awful Measures for Learning The Importance of Findability for Learners Why Random Practice is...

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Chemistry and CAS

So, perhaps we’re struggling a bit with the possibility of our course curriculum shifting a bit in math with the introduction of Wolfram|Alpha.   If you’re not struggling a bit, perhaps you haven’t played with it enough yet to really grasp the implications here. Just so you know, whether they know it or not, the chemistry educators are going to have to think about this too.  Here are some examples: Wolfram Alpha will convert units. It will give you all the chemistry of an element, a compound, or something more complicated (make sure to click on “more”). It will compare the chemistry of several elements or compounds. It will solve a chemical formula for a specific variable (make sure to click on “show steps”). Wolfram Alpha will do chemical conversions for you or do formula calculations. If there’s a chemist in your circle of friends, perhaps it’s time they got to join in the fun! Possibly Related Posts: Navigating WolframAlpha Pro Features Abandoning Ship on Wolfram Alpha? Shifting Assessment in a World with WolframAlpha Math Technology to Engage, Delight, and Excite TED Talk on Wolfram...

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