From 2975e6acc98847ffd398e623965c5a37d4b7c66c Mon Sep 17 00:00:00 2001 From: Michael Elliot Braun Date: Tue, 10 May 2016 10:52:10 -0700 Subject: [PATCH] updated seis activity --- docs/lessons/seismograph/activity.md | 42 +++++++++++++--------------- 1 file changed, 19 insertions(+), 23 deletions(-) diff --git a/docs/lessons/seismograph/activity.md b/docs/lessons/seismograph/activity.md index bb3fa3f0..4ba42211 100644 --- a/docs/lessons/seismograph/activity.md +++ b/docs/lessons/seismograph/activity.md @@ -16,11 +16,15 @@ Engineering: In this project, you will build your own seismograph micro:bit from * Tape * Scissors -Step 1. Prepare Tape: Measure and cut approximately 10mm of tape. The tape will be fastened to a micro USB cable. +## Step 1. + +Prepare Tape: Measure and cut approximately 10mm of tape. The tape will be fastened to a micro USB cable. ![](/static/mb/lessons/seismograph1.png) -Step 2. Fasten Tape: Fasten tape to the micro USB cable and to the plate. Attach the micro:bit to the micro:bit USB cable. +## Step 2. + +Fasten Tape: Fasten tape to the micro USB cable and to the plate. Attach the micro:bit to the micro:bit USB cable. ![](/static/mb/lessons/seismograph0.png) @@ -30,12 +34,14 @@ Computer Science: The seismograph has been built. We are ready to program the mi ### ~ -Step 1. Go to Codemicrobit.com +## Step 1. + +Go to Codemicrobit.com * Click or tap New Project * Click or tap Blocks -Step 2. +## Step 2. We will measure `acceleration (mg)` in terms of strength or Magnitude. Get the acceleration value (milli g-force), as measured in strength or Magnitude. @@ -43,7 +49,7 @@ We will measure `acceleration (mg)` in terms of strength or Magnitude. Get the a input.acceleration(Dimension.Strength); ``` -Step 3. +## Step 3. Use the plot bar chart to visualize the acceleration on the LED screen of the micro:bit in the specified range. You implement forever and plot Bar Graph to constantly display a vertical bar graph, which will be based on the "value" and "high" value. Then measure the acceleration based on the strength or Magnitude. @@ -54,9 +60,7 @@ basic.forever(() => { ``` -### ~ - -Step 4. +## Step 4. Finally, we subtract the gravity from acceleration strength. @@ -76,22 +80,20 @@ Science: We now need to use the micro:bit to chart the strength of the accelerat ### ~ -Step 1. +## Step 1. First, notice that making moving the micro:bit simulator in any direction will change the values from a flat horizontal line to a waving line to display the value of the strength as measured in milli-gravities. Next, notice that by moving the micro:bit simulator below, there is a changing acceleration value. Finally, notice that the LED display will fluctate based on the movement of the micro:bit simulator. ![](/static/mb/data4.png) -### ~ - -Step 2. +## Step 2. Vigorously move the micro:bit in the micro:bit simulatator by moving the micro:bit image from side to side. Every time the micro:bit moves in any direction in the simulator, you are generating data points that can be reviewed in Excel. The more attempts to move the micro:bit from side to side, the more data being saved in Excel. After you have vigarously moved the micro:bit simulator from side to side for a sufficient amount of time, you are ready to graph or chart the accceleration of the micro:bit. We want a printout of our acceleration on Excel that can be graphed in Excel. ### ~ -Step 3. +## Step 3. * Connect a micro:bit to your computer using your USB cable @@ -109,9 +111,7 @@ Run the acceleration experiment by moving the actual micro:bit and observe the c First, notice that by moving the actual micro:bit in any direction, you will change the values of the black, flat horizontal line. The black line will change from being flat to being a waving black line. The changing values of the micro:bit accelereration is being measured in milli-gravities. Next, notice that by moving the micro:bit below, there is a changing acceleration value. Finally, notice that the LED display will fluctate based on the movement of the micro:bit. -### ~ - -Step 4. +## Step 4. We want to chart the data collected by using a tool in Excel. @@ -121,9 +121,8 @@ First, click or tap on the first two columns (A, B) to include the time of the ![](/static/mb/data7.png) -### ~ -Step 5. +## Step 5. ![](/static/mb/chart1.png) @@ -141,17 +140,14 @@ When you find the chart type that you want, click it, and then click OK. We want Tip: If you don’t see a chart type that you want, click the All Charts tab to see all of the available chart types. -### ~ - -Step 6. +## Step 6. ![](/static/mb/chart_title.png) * Use the Chart Elements, Chart Styles, and Chart Filters buttons next to the upper-right corner of the chart to add chart elements like axis titles or data labels, to customize the look of your chart -### ~ -Step 7. +## Step 7. ![](/static/mb/elements_styles_filters.png)