In this lesson students will see how volcanoes as they relate to deposition work to continually change the surface of our planet.  This lesson provides visual evidence of changes that the earth undergoes in area where volcanic activity is prevalent.  Students will acquire knowledge to understand what volcanoes are, how they form, and the differnt careers that participate in creating safety precautions before volcanic activity. Students will build and program a safety device that simulates a volcano activity. This lesson can be used to supplement Unit 3 Overview Dynanic Earth: Shaping the Land, Learning Set 5.