We will use JavaScript to change the image to a second one that shows a cut away view of how pumice looks under a microscope. Go to the Lesson 27d Image Studio to get the two image files needed for this lesson. The should be placed in the pictures directory with all of your other image files. Open the intro.html file in your text editor. We will add a new section about Volcanic Rocks.
Pumice is thus very light weight.
If you move your mouse over the image, you can see how pumice looks under the microscope. The twisted chambers here represent the air pockets preserved inside the rock when this rock blew out of a volcano. Your Work Compare your web pages with this sample of how it should appear. If your pages are different from the sample or the hypertext links do not work correctly, review the text you entered in the text editor. Use our code to create the same effect in your own pages.