Review In the last lesson, you learned about where JavaScript goes and how it looks. Now it’s time to start learning the language. In this lesson, you’ll learn how JavaScript stores ...

Lesson 1: Earth's Interior and Plate Tectonics To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics.

In earlier lessons, you’ve learned: How to add JavaScript to your HTML pages How to use dialog boxes and variables to store and utilize user input How to write HTML to a Web page using ...