Emphasize instructions in module 1 notebook

Author: mfisher87

examples/module-1/example-1.ipynb

@@ -7,7 +7,9 @@
    "source": [
     "# Module 1: Working in JupyterHub\n",
     "\n",
-    "Let's look at some data."
+    "Let's look at some data.\n",
+    "\n",
+    "* **Read this notebook and execute each cell (`SHIFT+ENTER`) as you go!**"
    ]
   },
   {
@@ -29,6 +31,8 @@
     "\n",
     "We've prepared a simple dataset in an open format, [GeoJSON](https://geojson.org/), which contains one point: The Sustainability, Energy, and Environment Community (SEEC) building where we are now.\n",
     "\n",
+    "When loading this data, we call the variable `gdf`, short for `GeoDataFrame`, an object provided by `geopandas` for tabular geospatial data.\n",
+    "\n",
     "We'll look at the raw data in tabular form, and then plot it."
    ]
   },
@@ -69,7 +73,7 @@
    "source": [
     "## That's not a very useful plot, is it?\n",
     "\n",
-    ":) No! We'll come back to this."
+    "😉 No! We'll come back to this."
    ]
   },
   {
@@ -97,7 +101,7 @@
     "    {\n",
     "        \"Address\": [\"National Snow and Ice Data Center CIRES, 449 UCB University of Colorado Boulder\"],\n",
     "        \"Name\": [\"National Snow and Ice Data Center (NSIDC)\"],\n",
-    "        \"geometry\": [Point(-105.25271574468819, 40.01262175838934)],  # Longitude first!\n",
+    "        \"geometry\": [Point(-105.25271574468819, 40.01262175838934)],  # IMPORTANT: Longitude first!\n",
     "    },\n",
     "    crs=\"EPSG:4326\",\n",
     ")\n",
@@ -136,7 +140,7 @@
     "\n",
     "Well, we can see that these points are relatively near each-other!\n",
     "\n",
-    "Just kidding, we need more. :)\n",
+    "Again, just kidding, we need more. 😉\n",
     "\n",
     "We could write a bunch of additional code to visualize it effectively, but there are easier ways. We'll look at this in Module 2."
    ]
@@ -166,11 +170,16 @@
    "source": [
     "## Challenge: Create some data of our own\n",
     "\n",
-    "Fill in the blanks in the cells below!\n",
+    "* **Create a add a GeoDataFrame containing a point that is meaningful to you**:\n",
+    "    * Your favorite coffee shop?\n",
+    "    * The shelter where you adopted your pet?\n",
+    "    * The town where you grew up?\n",
+    "\n",
+    "    Hint: Modify code from one of the cells above.\n",
     "\n",
-    "Perhaps add a data point that is meaningful to you: Your favorite coffee shop? The shelter where you adopted your pet? The town where you grew up?\n",
+    "    Hint: Right click on a location in [Google Maps](https://www.google.com/maps) to get a latitude and longitude.\n",
     "\n",
-    "Right click on a location in [Google Maps](https://www.google.com/maps) to get the latitude and longitude."
+    "    Hint: Longitude first 😉"
    ]
   },
   {
@@ -180,7 +189,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "my_gdf = # ... populate your data here!"
+    "my_gdf = # ... create your GeoDataFrame here!"
    ]
   },
   {