Discuss the 3 factors: Connected, critical, common
Write down Y/N on your graphic organizer
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The earth's surface is constantly changing. All over the world everyday there are earthquakes, floods and volcanoes that quickly change our world. Some changes are too small to see. Others cause tremendous damage and costs millions of dollars to clean up.
Floods can wreak tremendous damage and destruction. They can ruin houses, roads and buildings. Floods can take down trees and cause mudslides. It often leaves mud, sand and debris behind. It can take months to clean up after a flood. The potential damage a flood can do is often overlooked.
Earthquakes are caused when the plates of the Earth's crust move. Earthquakes happen along "fault lines" in the earth’s crust. When the plates in the Earth suddenly shift, the Earth will begin to shift, shake or tremble. These fault lines lie far below the surface.
There are several events that can change the Earth's surface very quickly. Volcanoes can erupt and spread lava, rock and ash for several miles. Volcanoes can erupt without much warning. Earthquakes can leave large cracks in the Earth's surface. Large earthquakes can reshaped the landscape.