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We have three 6th grade Science classes and two 8th grade Science classes blogging here from the Pacific Northwest in Chimacum, WA! Sixth graders are learning a bit about Mt Saint Helens, environmental science through fresh water ecology, and physical science this year. Eighth graders are learning about life science this year. Please join us as we learn Science by exploring our world.
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by jonnao teacher: Alfonso Gonzalez


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Volcanic Ash vs Soil Did you know that volcanic ash helps plants grow? I learned that! I did an expirement to compare the growth between radishes when grow in soil and soil with volcanic ash. Ash has a lot of nutrience in it and it also holds water. When lava destroys plants, or when the ash sufficates it, it takes up all the nutrience. I did an expirement to see hoe volcanic ash effects the growth of raddishes. I studied the plant growth for one week. The end result was with only soilm the plant only grew to be ten centimeters. With volcanic ash I found out that it grew better. The raddishes grew to be 12.5 centimeters. That's a difference. All in all, I learned that volcanic ash does help plant growth, but, if there is too much ash, over 4 inches, it can poison the plant and anyone who eats it.


Works Cited
"Effect of Volcanoes." ThinkQuest. Oracle Foundation. Web. 20 Mar. 2012. http://library.thinkquest.org/06aug/00886/index_files/Page307.htm.
"Effect of Volcanoes." ThinkQuest. Oracle Foundation. Web. 24 Apr. 2012. http://library.thinkquest.org/06aug/00886/index_files/Page307.htm.
"Volcanic Ash—Effects on Agriculture and Mitigation Strategies." Volcanic Ash—Effects on Agriculture and Mitigation Strategies. 3 Feb. 2009. Web. 24 Mar. 2012. http://volcanoes.usgs.gov/ash/agric/index.html.

Article posted April 17, 2012 at 11:19 AM • comment (1) • Reads 770 • Return to Blog List

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I found it very interesting how you used soil with volcanic ash to grow your radish seeds in. It surprised me that the volcanic ash actually helped it grow better than normal soil. I think you did a good job on this on this assignment
Comment Posted on May 1, 2012 at 12:54 PM by seanm
About the Blogger
My name is Jonna I'm 13. I'm in eight grade and I'm only 4'9". Pretty short huh? I'm also one of the smartest blondes you will ever meet(: I play Halo:Reach and sometimes COD:Black Ops. I also play Xbox Live. Sh0ck eN Aw3. I play volleyball. I've been to the state capitol to pass a bill to get more music funding to all schools in Washington State through a special license plate purchase. Well, that's me! Check out the girl! Her eyes follow your mouse(:
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