Earth Science Test 2

How do convection currents occur in the mantle?  Your answer needs to have the words: cool, warm, magma, core, and crust for full credit.

Provide one specific peice of evidence that supports the hypothesis of continental drift.  Recall that there were three types of evidence:*Evidence from land features*Evidence from fossils*Evidence from climate

Summarize the process of sea-floor spreading.  In your answer you need to have the words: magma, continental crust, oceanic crust, subduction, melt, deep-ocean trench, older rock, newer rock for full credit.

What is represented by the picture below?

Which type of fault is represented by the picture below?

What type of stress is represented in the image below?

Name or describe one method of measuring earthquakes.

At how many seconds did the P wave arrive?

What is the SP lag time for the seismograph below? 

What is the Ring of Fire and where does it form?

Hawaii is found on the middle of the Pacific Plate.  Being that it is not near faults, how did these islands formed?

Name one compoent of magma that determines the type of eruption that will occur.

What type of volcano is shown below?

Provide to a earthquake or volcanic eruption plan for a community.  Be detailed and provide at least 3 different methods you would use to protect its citzens.