Thursday, January 30, 2014

How Electronics Work

A few years ago Gizmodo ran a series of mostly video posts about the inner workings of electronics. The series of four posts featured videos explaining things like resistive sensors, LEDs, diodes, volts, amps, and electrical pressure. You can find the posts in sequence here, here, here, and here. The first video in the series is embedded below.  

Electrical Pressure from Sparkle Labs on Vimeo.

Applications for Education
If you teach any courses dealing with electronics, these videos could make a good supplement to your lessons. Some of the topics covered in the Gizmodo series deal with logic and sequencing (in fact the whole series kind of deals with sequencing) which could be worked into a mathematics lesson. Or perhaps you have a young person in your life who just likes to tinker with electronics (I loved to tinker with an electronics board from Radio Shack as kid in the 80's) and these videos could help that young person get a better understanding of electronics.

Build Flow Charts With Connect-a-Sketch

Update: As of November 2015 this service is offline.

Connect a Sketch is a free service intended to help people take their existing sketches and images and arrange them into an online flowchart. Creating a flowchart is just a matter of uploading JNP and or PNG images then arranging them into a sequence you want. You can then add connecting lines between your images. If you have a new element to add to your sequence you can go back and edit your sketch.

Applications for Education
Connect a Sketch was built for developing prototypes for industrial applications, but the service can just as easily be used for arranging any series of PNG and or JPG files into a sequence. Students could use Connect a Sketch to arrange images from news stories into a sequence, diagram a story they're writing, or show the steps for solving a problem.

Play Financial Football to Learn Some Money Management Skills

Practical Money Skills hosts a series of eight online games designed to teach students some money management skills. One of the games that is timely considering that the Super Bowl is just a few days away is Financial Football. Financial Football has students answer questions about budgets, savings, and spending to move their football teams down the field against another team. The games use real NFL team logos. Financial Football takes at least twenty minutes to play.

The Science of American Football

The Super Bowl is just a few days away. Take advantage of your students' interest in the big game and introduce some math and science concepts to them through NBC's Science of Football. The Science of NFL Football is a series of ten videos from NBC Learn explaining and demonstrating math and science concepts as they relate to football.

The list of topics covered in the Science of NFL Football includes Torque & Center of Mass, Pythagorean Theorem, Geometric Shapes, Projectile Motion & Parabolas, Vectors, Kinematics, Nutrition, and Newton's 1st, 2nd, and 3rd Laws of Motion.

Applications for Education
Every video in the Science of NFL Football is accompanied by a lesson plan appropriate for use in middle school classrooms. Click here to take a look at the lesson about Newton's 3rd Law.


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