What are some topics of science experiments?
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an extension of the bottom one,\n\nis the ratio of thumb to index finger the same for everyone.
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http://school.discovery.com/sciencefaircentral/\nhttp://www.all-science-fair-projects.com/
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If you go onto "google.com" or "yahoo.com" and do a search on "5th grade Science Fair Projects", you will get many ideas.  Just pick the one you find most interesting.
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http://www.scienceproject.com/\n\nMaybe you can find what your looking for here. :)
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http://www.all-science-fair-projects.com/\n\nOver 500 of them here. And a really cool colorful web site for someone in the 5th grade to enjoy.\n\nCheers
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The question is too open. What experiment are you talking about? If you google science supplies you might find out, although since it's homework most people won't just give you an answer.
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Science Fair Projects\n\n•Hundreds of free science fair projects are categorized under the following topics. \n\n•Click on any of the topics below to view the science projects. \n\n•You can then sort the projects alphabetically or by their level of difficulty.\n\n\nhttp://www.freesciencefairproject.com/\n\nhttp://www.scienceproject.com/\n\nhttp://www.ipl.org/div/projectguide/\n\nhttp://www.all-science-fair-projects.com/\n\nhttp://www.energyquest.ca.gov/projects/index.html\n\nhttp://collaboratory.nunet.net/timber/scifair/2proj.htm\n\nhttp://www.ipl.org/div/kidspace/projectguide/\n\nhttp://www.niles-hs.k12.il.us/jacnau/IJAS/\n\nhttp://www.plymouthschools.com/Science/scifair/scicover.htm\n\nGood luck.\n\nKevin, Liverpool, England.
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For Science Fair Information\n\nhttp://www.madsci.org/libs/areas/sci_fair.html\n\nhttp://school.discovery.com/sciencefaircentral/
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http://www.tryscience.org/\n\nhttp://scienceclub.org/kidproj1.html\n\nhttp://www.energyquest.ca.gov/projects/index.html\n\nhttp://pbskids.org/zoom/activities/sci/
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try browse the net: all-science-fair-projects.com
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All of these seem to have good starts for ideas,\n\nhttp://yahooligans.yahoo.com/Science_and_Nature/Experiments_and_Activities/Science_Fairs/\nhttp://www.ipl.org/div/kidspace/projectguide/\nhttp://school.discovery.com/sciencefaircentral/\nhttp://www.scifair.org/\nhttp://www.cdli.ca/sciencefairs/\nhttp://www.isd77.k12.mn.us/resources/cf/ideas.html\nhttp://staff.washington.edu/chudler/fair.html
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Here are some experiments that I found:
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My kids use this website to get their science fair ideas http://school.discovery.com/sciencefaircentral/ It has project ideas, tip sheets, step-by-step instructions on basic science fair setup, etc.\n\nGood luck!
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Experiment w/ what works for you.
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Check out this link.\n\nhttp://www.all-science-fair-projects.com/\n\nThere are many others like it on the web.\n\nhttp://www.scienceproject.com/projects/index/intermed.asp\n\nhttp://www.dep.state.pa.us/newsletter/?varQueryType=PrintVersion&NewsletterID=207\n\nhttp://www.sciencefairgeek.com/lab/sciencefairdisplays/
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Here is a good site to check out:\n\nhttp://www.all-science-fair-projects.com/\n\nOver 500 topics for all age levels
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a project about a topic which have many refrences (as a student) .. about something new unknown and challenging (as a researcher) !!!!