diff --git a/4_initial_conditions/2_subsurface_properties.ipynb b/4_initial_conditions/2_subsurface_properties.ipynb
index 286f620..368f833 100644
--- a/4_initial_conditions/2_subsurface_properties.ipynb
+++ b/4_initial_conditions/2_subsurface_properties.ipynb
@@ -53,7 +53,15 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**Method 1**: Create a low permeability unit near the middle of the model domain using a box geometry."
+    "### **Method 1**: \n",
+    "Create a low permeability unit near the middle of the model domain using a box geometry.\n",
+    "\n",
+    "### Activities\n",
+    "After running the code once as-is, please complete the following using the box geometry method:\n",
+    "1. Move the location of the defined box\n",
+    "2. Change the permeability within the defined box\n",
+    "3. Add another box\n",
+    "4. Increase the resolution"
    ]
   },
   {
@@ -172,7 +180,15 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "**Method 2**: Create a low permeability unit in the center of the domain using an indicator file. Here we are using Python and the Python PFTools to build the indicator file but there are many other ways to do so. Remember, an indicator file is just a PFB with specific values that define \"categories.\""
+    "### **Method 2**: \n",
+    "Create a low permeability unit in the center of the domain using an indicator file. Here we are using Python and the Python PFTools to build the indicator file but there are many other ways to do so. Remember, an indicator file is just a PFB with specific values that define \"categories.\"\n",
+    "\n",
+    "### Activities\n",
+    "After running the code once as-is, please complete the following using the indicator file method:\n",
+    "1. Move the location of the defined box\n",
+    "2. Change the permeability within the defined box\n",
+    "3. Add another box\n",
+    "4. Increase the resolution"
    ]
   },
   {