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move lessons out of web site

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will move select lessons back to "educators" section
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Tom Ball
2016-06-14 11:49:58 -04:00
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docs/lessons/glowing-pendulum.md
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# glowing pendulum blocks lesson
construct a pendulum that glows using acceleration.
## Topic
Acceleration
## Quick Links
* [activity](/lessons/glowing-pendulum/activity)
* [tutorial](/lessons/glowing-pendulum/tutorial)
* [challenges](/lessons/glowing-pendulum/challenges)
* [quiz](/lessons/glowing-pendulum/quiz)
* [quiz answers](/lessons/glowing-pendulum/quiz-answers)
## Prior learning/place of lesson in scheme of work
Learn how to get the acceleration **acceleration**, `acceleration` value (g-force), in one of three specified dimensions. We will be learning how to get the acceleration using forever loop, a local variable, acceleration, the math library, as well as simple commands, such as led set brightness and led plot all.
## Documentation
```cards
basic.forever(() => {})
let x = 0
input.acceleration(Dimension.X)
Math.abs(0)
led.setBrightness(255)
basic.showLeds(`
. . . . .
. . . . .
. . # . .
. . . . .
. . . . .
`)
```
## Objectives
* learn how to repeat code in the background forever
* learn how create a local variable to store data, so that you can use it in your code
* learn how to get the acceleration value (g-force), in one of three specified dimensions
* learn how to return the absolute value
* learn how to sets the brightness of the LED screen
* learn how to turn on all the LED lights on the LED screen