Open ArcView GIS by accessing: 
                ESRI 
                        ArcView  

Choose the project that you have been working on:  
In the Student temporary folder, look for the file "your team name.apr". 

Add a view by clicking on the Views icon and the New button in the project (currently Untitled) window. 

Choose Properties from the View pulldown menu, and rename the view to "Plate Boundaries, Earthquakes and Volcanoes".  
Select "decimal degrees" from the Map Units pull down list.  
Select "kilometers" from the Distance Units pull down list.  
Click on Projection and check to make sure the Category is "Projections of the World".  
Check to make sure the Type is "Geographic"--you should not need to change these two selections. Click OK. 

In this activity, you will be creating new files. You will want to save your work to a directory on your hard drive.  

To change the default directory, click File and choose Set Working Directory from the pulldown menu. Type the path to the directory where you will save your work.  
This should be the "student temporary" directory, then click OK. 

Make the project (currently Untitled) window active.  
From the File pulldown menu, choose Save Project As.  
Save the project as "your team name.apr" in your working directory. 

Click the Add Theme  button.  
In the Add Theme Dialog box, navigate to the BHS PowerMac --> ESRI --> ESRIDATA --> AFRICA directory.  
The earthquakes.shp file contains earthquakes greater than or equal to magnitude 6.5.  
The volcanoes.shp file contains active and inactive volcanoes.  
Hold down the Apple or Star key and click on earthquakes.shp and volcanoes.shp. 
OK to add these themes to the view.  

Click the Add Theme  button again.  
In the Add Theme Dialog box, navigate to the BHS PowerMac --> ESRI --> ESRIDATA --> AFRICA  directory.  

plates.shp file = plate boundaries for the world.  
continent.shp file = contains outlines for the continents.  

Click on plates.shp and hold down the Apple or Star key and click on the continent.shp to add these themes to the view. 

The earthquakes.shp, continent.shp, and plates.shp themes appear in the view's table of contents. Make the earthquakes.shp theme active by clicking on its name (i.e., its name appears raised).  
Choose Properties from the Theme pulldown menu.  
Rename earthquakes.shp to Earthquakes.  
Click OK.  

Follow the same procedure to rename the volcanoes.shp theme to Volcanoes.  
Rename the the Plates.shp theme to Plate Boundaries.  
Rename the Continent.shp to Continents. 

To make the continents shape transparent, double-click on the theme's name to bring up the Legend Editor.  
Double-click on the colored box below Symbol to bring up the Fill Palette.  
Click on the blank box in the upper left hand corner of the Fill Palette window. 
Leave the Legend Editor open. 

Double-click on the Earthquakes theme and click on the thumbtack icon to bring up the Marker Palette .  
Symbolize the earthquakes with blue circles.  
In the Marker Palette window change the size to 8.  
Click on the paintbrush icon to bring up the Color Palette .  
From the Color Palette choose a bright blue color.  
Click Apply in the Legend Editor to apply your changes to the view.  
Leave the Legend Editor open. 

Double-click on the Volcanoes theme and click on the thumbtack icon to bring up the Marker Palette .  
Symbolize the volcanoes with red triangles.  
In the Marker Palette window change the symbol to a triangle and the size to 8.  
Click on the paintbrush icon to bring up the Color Palette .  
From the Color Palette choose a red color.  
Click Apply in the Legend Editor to apply your changes to the view.  
Leave the Legend Editor open. 

Double-click on the Plate Boundaries theme and click on the pencil icon to bring up the Pen Palette .  
Symbolize the plate boundaries with a brown-colored thick line.  
In the Pen Palette window change the size to 2.  
Click on the paintbrush icon to bring up the Color Palette .  
From the Color Palette choose a blue color.  
Click Apply in the Legend Editor to apply your changes to the view.  
Leave the Legend Editor open. 

Arrange the themes in your view window in the following order:  
    Plate Boundaries  
    Volcanoes  
    Earthquakes  
    Continents  

You can change the order of the themes by dragging a theme. This is accomplished by clicking on the theme and holding down the mouse and dragging the box that appears until the theme is in the proper order. 

Click on the raised box to the left of the Theme names to make a check mark and see the coverages displayed in the View window. You may want to turn the volcanoes theme off to view the earthquakes and then turn the earthquakes theme off to view the volcanoes. You may need to maximize or resize the ArcView window and the View window to see the entire view. 

Make the Earthquakes theme active by clicking on its name. Click on the Information button  to find out information about some of the volcanoes in Africa. 

Make the Earthquakes theme active by clicking on its name.  
Open the Earthquakes theme table by clicking the Open Theme Table Button .  
When the table opens, widen the window until the Magnitude column is displayed.  
Select this field by clicking on the field name "Magnitude".  
Click on the Sort Descending button to sort the records by Magnitudes from largest to smallest. You can also sort the records on any of the other fields in the table in descending or ascending order.  

Click on one of the fields in the first record or line of data. The corresponding point should be highlighted in yellow in the view window. To highlight several earthquakes, hold down the Apple or Star key and select all the records with magnitudes of 8.7 to 8.9.  
Click on the Unselect all records button to deselect the records. Close the Earthquakes theme table. 

Make the project YourTeamName.apr window active.  
From the File pulldown menu, choose Save Project.