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docs/lessons/zoomer/activity.md
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docs/lessons/zoomer/activity.md
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# zoomer block activity
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Measure the acceleration on the micro:bit in the "z" direction.
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### ~avatar avatar
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### @video td/videos/zoomer-0
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### ~
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To create a new script, go to the [Create Code](/microbit/create-code) page and tap `New Project` under `Block Editor`.
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Welcome! This activity will teach how to measure the acceleration on the micro:bit in the "z" direction. Let's get started!
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We want to display the acceleration forever. In order to do so, we need a `forever` loop.
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```blocks
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basic.forever(() => {
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})
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```
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Let's measure the acceleration and then store in it a variable `az`. The acceleration is measured in **milli-gravities**, so a value of `-1000` is equivalent to `-1g` or `-9.81m/s^2`.
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```blocks
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basic.forever(() => {
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let az = input.acceleration(Dimension.Z)
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})
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```
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Show the value of `az` on the screen.
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```blocks
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basic.forever(() => {
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let az = input.acceleration(Dimension.Z)
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basic.showNumber(az)
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})
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```
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### ~avatar avatar
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Excellent, you're ready to continue with the [challenges](/microbit/lessons/zoomer/challenges)!
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### ~
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