Natural Disaster or Natural Phenomena?[series info]

Earthquakes

Earth is constantly changing, and earthquakes are just a normal part of that process. However, an earthquake can be one of the most destructive natural disasters on Earth! It comes without warning and in a matter of seconds can level a city. So, what is an earthquake exactly? How do they happen? Where are they most common and is there anything we can do about them?

SCIENCE, TECHNOLOGY
Sixth Grade-Eighth Grade
Taping Rights Available until: Aug 31, 2011

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