Monday, September 26, 2011

Seismic waves

Last week we used slinkies to mimic earthquake waves. Today, we discussed our findings from the investigation. Seismic waves travel outward in all directions. After the earth moves energy is released in a series of waves- P, S and surface waves. We also discussed arrival times, where they occur, how they move and the damage they cause. All of this should be written onto pg 14 in your ISN.

There will be a quiz Wednesday. Study pages 14 and 15 in your ISN.

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