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http://oceanworld.tamu.edu/students/currents/index.html

http://scifiles.larc.nasa.gov/educators/index.html?p=start/broadcast_info

http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/oceanography_currents_1.html

http://sln.fi.edu/fellows/fellow8/dec98/oceanfact.html

http://www.mos.org/oceans/motion/index.html

http://www.classzone.com/books/earth_science/terc/content/visualizations/es0607/es0607page01.cfm?cha

http://www.windows.ucar.edu/tour/link=/earth/Interior_Structure/overview.html

http://www.thinkquest.org/library/cat_show.html?cat_id=26

http://www.epa.gov/students/

http://www.thirteen.org/savageearth/

http://www.seismo.unr.edu/ftp/pub/louie/class/100/plate-tectonics.html

http://www.ivyhall.district96.k12.il.us/4th/kkhp/RocksandMinerals/rocks.html

http://classroom.jc-schools.net/sci-units/earth-features.htm

http://www.iq.poquoson.org/studygradelevel5.html

http://education.jlab.org/solquiz/index.html

http://www.brainpop.com/science/seeall/

http://www.brainpop.com/science/seeall/

http://www.exploratorium.edu/snacks/iconsound.html

http://www.howstuffworks.com/

http://illuminations.nctm.org/ActivityDetail.aspx?ID=36

http://faculty.washington.edu/chudler/bigear.html

http://library.thinkquest.org/19537/?tqskip1=1

http://www.mcps.org/techno/sc.html

http://www.brainpop.com/science/seeall/

http://www.brainpop.com/science/seeall/

http://www.chem.purdue.edu/gchelp/liquids/character.html

http://www.chem4kids.com/files/matter_intro.html

http://www.quia.com/pages/hostetterscience.html#cells

http://www.cellsalive.com/

http://greenfield.fortunecity.com/bicycle/155/r_kingdoms.html

http://www.brainpop.com/math/seeall/

http://www.aaamath.com/B/rat62ax2.htm

http://math.rice.edu/~lanius/proportions/index.html

http://www.brainpop.com/math/seeall/

http://www.k111.k12.il.us/king/math.htm#Factors/

http://mathforum.org/library/drmath/sets/select/dm_lcm_gcf.html

http://www.brainpop.com/math/seeall/

http://www.brainpop.com/math/seeall/

http://www.k111.k12.il.us/king/math.htm#Fractions

http://www.brainpop.com/math/seeall/

http://www.k111.k12.il.us/king/math.htm#Integers

http://www.mathleague.com/help/integers/integers.htm

http://www.math.com/homeworkhelp/HotSubjects_integers.html

http://www.rhlschool.com/mathv1-3.htm

http://www.aaamath.com/B/rat62ax2.htm

http://math.rice.edu/~lanius/proportions/index.html

http://www.k111.k12.il.us/king/math.htm#Factors/

http://www.brainpop.com/math/seeall/

http://www.k111.k12.il.us/king/math.htm#Fractions

http://www.k111.k12.il.us/king/math.htm#Integers

http://www.mathleague.com/help/integers/integers.htm

http://www.math.com/homeworkhelp/HotSubjects_integers.html

http://www.rhlschool.com/mathv1-3.htm+

http://library.thinkquest.org/3804/

http://www.k111.k12.il.us/king/math.htm#Measurement/%20Weight

http://www.oswego.org/ocsd-web/match/matchgeneric.asp?filename=capacity

http://www.shodor.org/interactivate/activities/Estimator/

http://www.mathgoodies.com/lessons/toc_vol1.html

http://mathforum.org/isaac/problems/pi1.html

http://www.shodor.org/interactivate/activities/angles/

http://www.shodor.org/interactivate/activities/tessellate/

http://math.rice.edu/~lanius/Geom/pol.html

http://www.shodor.org/interactivate/lessons/GeometryTessellation/

http://mathforum.org/trscavo/tangrams.html

http://www.math.com/school/subject3/lessons/S3U3L1GL.html

http://illuminations.nctm.org/ActivityDetail.aspx?ID=57

http://illuminations.nctm.org/ActivityDetail.aspx?ID=50

http://www.math.com/school/subject3/lessons/S3U4L1GL.html

http://illuminations.nctm.org/LessonDetail.aspx?ID=L406

http://illuminations.nctm.org/LessonDetail.aspx?ID=L406

http://www.shodor.org/interactivate/activities/#geo

http://www.funbrain.com/cracker/index.html

http://www.bbc.co.uk/schools/ks2bitesize/index.shtml

http://www.webmath.com/simpsqrt.html

http://www.webmath.com/sn_multiply.html

http://www.webmath.com/sn_convert.html

http://score.kings.k12.ca.us/standards/seventh.html#algebra

http://www.redcomet.org/Preview/Ma25aPrv.html

http://regentsprep.org/Regents/math/orderop/evalPrac.htm