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ldbaker99

Pyroclastic Flow - 0 views

m.youtube.com/watch

Pyroclastic Flow

shared by ldbaker99 on 13 Dec 12 - No Cached
  • ldbaker99 on 13 Dec 12
     
    A head on view of a pyroclastic flow.
elevine_14

Pyroclastic flow - 0 views

videos.howstuffworks.com/...oes-pyroclastic-flow-video.htm

shared by elevine_14 on 13 Dec 12 - Cached
  • elevine_14 on 13 Dec 12
     
    Video of how the pyroclastic flows work and how they are bad.
angelaeast

Pyroclastic Flows - 1 views

m.youtube.com/#/watch?v=XLmbnnh5OLs&desktop_uri=%2Fwatch%3Fv%3DXLmbnnh5OLs

shared by angelaeast on 13 Dec 12 - No Cached
  • angelaeast on 13 Dec 12
     
    This is a good video explaining how deadly pyroclastic flows are and what they actually are. Plus I think it is from that same Scottish guy that is in all those Earth movies.
taylorstein12

Extrusive - 9 views

en.wikipedia.org/Extrusive

shared by taylorstein12 on 13 Nov 12 - No Cached
  • nadiasolorio on 26 Nov 12
     
    This had good information but very little, it told how extrusive rocks are formed.
  • ...12 more comments...
  • jmacdonald11 on 26 Nov 12
     
    This has good information and talks about how igneous rocks are extrusive and how they are formed.
  • rasa-hopigirl on 26 Nov 12
     
    Wikipedia has good information on extrusive rocks, but very little.
  • adalynrichards on 26 Nov 12
     
    This related to ancient Denver's and hands the information on extrusive rocks on a plate. Interesting and compares to intrusive rocks.
  • hannahfallon on 26 Nov 12
     
    Good information
  • lilaarnold on 27 Nov 12
     
    Great info, very little. I also found out that wiki might not be up any longer. I did not know that magma cools quicker in open airs or under seawater.
  • dgosh2312 on 27 Nov 12
     
    I thought the information on the intrusive and extrusive igneous rocks was interesting and helpful.
  • The duct tape queen Mathilde wolf on 27 Nov 12
     
    A little short not enough info. What it has is ok.
  • katieneal713 on 27 Nov 12
     
    Really good info but not enough.
  • elevine_14 on 27 Nov 12
     
    This has very detailed information on how extrusive rocks are formed. Magma cools quicker out in the open or under seawater!
  • Kevin Chyung on 27 Nov 12
     
    The obsidian has no time to form crystals because it solidifies instantly.
  • cj5600 on 27 Nov 12
     
    This has useful information, yet it has very little. It sums up this process in a simple and understandable way to all.
  • julierumpf on 27 Nov 12
     
    I wouldn't say Wikipedia is the best source to be using. Anyone can go on there no add false facts.
  • Ben Browner on 27 Nov 12
     
    Great information but it is a little short.
  • beaubeaubenson on 27 Nov 12
     
    Igneous volcanic rock and it forms when lava from inside the earth flows out
Charlie Wallace

Climate Change Facts: Answers to Common Questions - 0 views

epa.gov/facts.html

science Climate Change Drought Hot

shared by Charlie Wallace on 04 Mar 13 - No Cached
  • Kali Soud on 04 Mar 13
     
    Q and A with climate change facts! Good to quiz yourself with:) my favorite is: In the past, has Earth been warmer than it is today? If so, does that mean we shouldn't worry about global warming?
  • Charlie Wallace on 05 Mar 13
     
    NASA (National Aeronautics Space Administration) and NOAA (National Oceanic and Atmospheric Administration) agree that climate change is happening and humans are contributing to it. Many people agree in the United States of America and abroad. MAny believe it is because of greenhouse gases from humans. Scientists are trying to answer some very important questions such as how quickly will the world warm, and what consequences will that have on certain parts of the world. The global temperature average has risen by 1.4 degrees Fahrenheit over the last 100 years. NOAA said that the decade between 2000-2010 was the warmest decade on record. 2005 was the warmest year on record. There have been more intense rainfall and severe heat waves. Sea levels are rising. The Earth does go through warming and cooling because of factors such as sun and volcanic activity. The warming and cooling is partly natural and partly because of humans. The sun's energy has fluctuated but is small in comparison compared to human's effect. The warming is consistent with what happens with heat trapping carbon dioxide. Carbon dioxide can lead to climate changes that can hurt plants, animals, and people. For every 2 degrees Fahrenheit raise 5-15% reductions in crops. 3-10% increase in rain which would create flooding. 5-10% increase in stream flow. 200-400% increase in wildfires in the western United States. Scientists predict that the temperature will rise 2-12 degrees Fahrenheit by 2100. It is not too late too fix climate change!
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