Each personality reveals their views before players attempt to match them to either side of the argument. A click on the score button tells the user what to do to improve it, and users can go back and continue working on the same game. The Data Sets includes eighteen subtopics, with maps and graphs on each. Explanatory text boxes appear at the bottom of the screen that complement the variety of graphs offered on the right of the map. Click at an area on the map and the appropriate information appears in the text box.
Instructions appear for interpreting the graph and for retrieving further information.
Again, the user can check the score and go back to get things right. Information about the different animals is provided. Earth Explorer is not appropriate, however, for a school library reference, because as a reference tool it is slower than comparable disk-based encyclopedias. But it would be suitable as a supplement to reference material within the classroom, especially if the class is studying a unit on pollution, the ecology, and so forth. Earth Explorer is also an appropriate educational resource for the home.