Disclaimer: Not mine it's from copy and paste.

However I will make changes to this list

**Versions**
ver 0.00 Copy and Paste with some correction on typos

ver 0.01 Changed some typos again such as [b/] and [quote] broken links.

ver 0.02 Added Science and Social studies with bolding. Also added 2 new links to the Calculus section. Thanks for sticky!

ver 0.03 Corrected more typos and broken links.

ver 0.04 More fixes and 1 more link.

ver 1 Finally did a major update. Corrected some errors.
**Here I will list changes **
**Tip: Ctrl + F And type in words such as "Science", "Chemistry", "Social Studies".**
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**English and Language Arts**
Understanding Literature

Basic literary devices

Literary Devices
A wonderful site listing and explaining the most common literary devices, elements and techniques such as "alliteration", "motif", etc. It provides examples for most of them.

Common themes in literature

themes.html
Common Themes in Literture
Themes can be a rather elusive concept for many students. If you have difficulty understanding what the underlying theme is to a piece of work, these websites might give you some ideas.

Creative Writing

How to write a short story

Tips for Writing a Short Story
Short Story Writing Tips - tips for writing short stories
Short stories are often the most difficult challenge for beginner writers. There is often a tendency to use too much description and then run out of space for a plot to develop. Often teachers will ask for a story a page or two long. You'll want to jump into the action almost immediately, so that your resolution doesn't become the typical "...and then he woke up" ending. These websites contain some good advice about keeping a good story short and sweet. Here is an example of a short story, around 500 words long:

Story Bytes - Very Short Stories - "Could You Die With That?"
Writing longer stories

Short Stories: 10 Tips for Creative Writers (Kennedy and Jerz) (Dennis G. Jerz, Seton Hill University)
This website addresses a longer homework assignment for students, ie. to write a story 10 to 15 pages long. By literary standards, that is still "short", but nevertheless, gives you enough room for character development and a good plot.

Descriptive writing

Descriptive Writing Techniques
For times when you are asked to write a descriptive paragraph.

Essay Writing

How to write a basic 5-paragraph essay

How to Write a Five Paragraph Essay (contains an example of an outline for the essay at the bottom of the page)

The Five-Paragraph Essay
The 5-paragraph essay is the introduction to a world of essay writing for students. If you got this down, you'll be able to quickly write basic essays for tests and SATs.

Modes of persuasion

Modes of persuasion - Wikipedia, the free encyclopedia
To write a persuasive essay, you want to be able to appeal to the audience's ethics, emotions, or logic. These are the three modes of appeal as defined by Aristotle early on in The Rhetoric.

List of logical fallacies

Logical Fallacies
If you need to pick apart someone else's argument or opinion, here is a big list of logical fallacies, Latin names included, that you can honestly build a critical essay upon.

Poetry

Poetic devices

MR. MURRAY'S VIRTUAL CLASSROOM: POETIC DEVICES
A bit more geared towards poetry, this site contains a more advanced list of literary devices used in poems, such as "assonance" or "extended metaphor".

Forms of poetry

POETRY FORMS AND TERMINOLOGY
A very comprehensive list on different poetic forms, from the haiku to the sestina and links to examples and descriptions of how to write them.

**Other Material**
• Dictionaries:

Homepage | Dictionary.com |

Dictionary and Thesaurus - Merriam-Webster Online
• Descriptive words list:

Descriptive Word List
• Thesaurus:

Homepage | Thesaurus.com
• Rhyme dictionary:

RhymeZone rhyming dictionary and thesaurus
• MLA Citation:

MLA Formatting and Style Guide - The OWL at Purdue
**Mathematics**
General Math Help

Math Homework Help - Answers to Math Problems - Hotmath
The password you need to log in is Walton2009. [credit: TakeOutGunz]

e-Tutor - Graphing Calculator
This is an e-graph calculator in the Cartesian coordinate system. Just enter the function and it'll graph it for you. [credit: icemage07]

The Math Forum - Ask Dr. Math
A math forum if you need more help on tricky math problems. [credit: icemage07]

Pre-Algebra

Pre-algebra terms and definitions

Topics in a Pre-Algebra Course
Basically a list of terms that you should know the meaning of in Pre-Algebra. The difference between a real number and an integer for example.

Graphing

Pre-Algebra: Basic Graphing - Math for Morons Like Us
The Cartesian plane is generally introduced between Pre-Algebra and Algebra, but this webpage provides a decent introduction suitable for a 7th-8th grade level.

Fractions and ratios

Pre-Algebra: Fractions - Math for Morons Like Us
Algebra: Ratios - Math for Morons Like Us
The only real difference between a fraction and a ratio is that the latter comes with units of measurement that often need to be converted. These sites provide a good summary of the two.

Properties of real numbers

Properties of Real Numbers
Basic properties of real numbers, such as the distributive property, etc. A useful precursor to algebra, when many of the same properties apply to variables.

Fraction to decimal conversions

Fraction to Decimal Conversion
Square roots

Numbers - Square Roots - In Depth
A few pages about square roots; how to solve them without a calculator, how to rewrite them, etc. Use the "next" button on the bottom of the page to navigate.

Interest and compound interest

Interest and Exponential Growth Table
For interest and compound interest calculations and when to use the two.

Step-by-step partial fractions.

A good partial fraction calculator. Shows step by step.
Algebra

Basic equations

Single-variable:

Algebra: Single Variable Equations - Math for Morons Like Us
Multi-variable:

Algebra: Multiple Variable Equations - Math for Morons Like Us
Inequalities:

Algebra II: Solving Equations and Inequalities - Math for Morons Like Us
Most of algebra has to do with solving equations. This page can solve equations that you input:

MyAlgebra - Solve Your Algebra Problems Online
Other functions

Greatest integer, absolute value:

Algebra II: Graphs and Functions - Math for Morons Like Us
Inverse, logarithmic, exponential functions:

Algebra II: Exponential and Logarithmic Functions - Math for Morons Like Us
Log graphs:

Graphing Logarithmic Functions: Introduction
Finding the inverse of a function:

Finding the Inverse of a Function |

Algebra II: Inverse Functions - CliffsNotes
Quadratics:

Algebra II: Quadratic Functions - Math for Morons Like Us
Factoring

Algebra: Factoring - Math for Morons Like Us
http://www.youtube.com/watch?v=uoEoWzHXaJ8 (youtube) (video)

Factoring is very important because it can help you simplify and even solve otherwise complicated equations. The video in particular, shows a good step-by-step guide of how to factor.

Simplifying algebraic fractions

Basic:

Algebra: Fractions - Math for Morons Like Us
Complex fractions and division of polynomials:

Algebra II: Fractional Expressions - Math for Morons Like Us
Long division (video):

YouTube - Long Division of Polynomials (youtube)

Teaches you how to deal with fractions that have variables in them, as well as how to do long division with polynomials to solve an equation.

Graphing equations

Basic introduction:

Algebra: Graphing on the Coordinate Plane - Math for Morons Like Us
Writing equations to the graph of the line:

Algebra: Finding the Equation of a Line - Math for Morons Like Us
Quadratic function graphing tutorials:

Quadratic Functions(General Form) |

Quadratic Functions in Standard Form
The links above teach you how to graph linear and quadratic equations, as well as be able to derive the equation from a given graph.

Radicals

Basic simplification:

Algebra II: Radicals - CliffsNotes
Rational exponents:

Algebra II: Rational Exponents - CliffsNotes
Complex and imaginary numbers:

Algebra II: Complex Numbers - CliffsNotes
The cliffsnotes links are the best explanations for radicals that I could find. Not included are the exact pages to how to add, subtract, multiply, and divide radicals, but it's easy to find those pages on the side bar of the actual website.

Geometry

Glossary of terms

Geometry Glossary
Geometry contains a lot of specific definitions that might deviate from the colloquial usage. This list provides good definitions for most terms you will encounter.

List of geometric theorems/postulates

Basic theorems:

The Basic Postulates & Theorems of Geometry
More comprehensive lists:

Geometry – Theorems « HighSchoolHack |

Geometry Postulates & Theorems
The easiest way to remember geometric proofs is to keep a little notebook and write them down every time you encounter a new one in the course of your studies, and include an example as well. If you have not done that, these sites still provide a passable list.

How to do a geometric proof

SparkNotes: Geometric Proofs: The Structure of a Proof
The structure of a proof explained.

Trigonometry

The unit circle

http://upload.wikimedia.org/wikipedi...angles.svg.png
Understanding radians:

Trigonometry: Radians - CliffsNotes
One of the most useful tools in trig. You should be able to reproduce this circle yourself by memory in about 1-2 minutes. It really helps during tests in particular.

The trigonometric identities

Trigonometry: Fundamental Identities - CliffsNotes
A basic list of trig identities, i.e. what can be converted into what. These can help greatly in simplifying very complex trig functions.

The law of sines and cosines

Laws of Cosines & Sines
Law of sines in-depth:

The law of sines, including the ambiguous case.
Law of cosines in-depth:

The law of cosines. Topics in trigonometry
Trigonometry of triangles. The laws will help you solve for the angles and lengths of triangles given certain measurements.

Graphing trigonometric functions

Basic graphs:

SparkNotes: Trigonometry: Graphs: Graphs of Trigonometric Functions
Graphing y = sin ax:

Graphs of trigonometric functions
Graphing trig functions with transformations:

http://teachers.henrico.k12.va.us/ma...aph_trig_n.pdf
The websites above cover graphing trig functions, including when there are shifts or scalar modifications.

Inverse trig functions

Inverse Trigonometric Functions
Inverse trigonometric functions - Topics in trigonometry
For arctan, arcsin, arccos, arccsc, arccot and arcsec functions.

Calculus

Visual Calculus
This may help if you're beginning calculus. Includes a full tutorial on how to integrate and differentiate, take the limits, etc.

Sequences and Series
Sequence and series.

Study Guide for Vector Calculus
Vector calculus.

FooPlot: Online graphing calculator and function plotter
Online graphing calculator.

Step by step derivative calculator
Step-by-Step Derivatives
Function Graph Calculator. (I'll be needing this thanks :/.)
**Sciences**
Biology

**AP Biology Notes: http://www.geocities.com/apbiowi/notes.html**
*Cell structure and function*
Everything you need to know about the water molecule:

http://www.lsbu.ac.uk/water/sitemap.html
Interactive overview of a cell:

http://www.johnkyrk.com/CellIndex.html
Cellular organelles:

http://en.wikipedia.org/wiki/Organelle **|** http://training.seer.cancer.gov/modu...nctions_1.html
The cell membrane:

http://en.wikipedia.org/wiki/Cell_membrane
Inner life of a cell:

http://aimediaserver4.com/studiodail...640&height=520
Cells are the building blocks of life. To understand how things live and work and move, it is important to understand cell structure and function as covered by these sites.

*Cellular reproduction*
VideosBinary fission:

http://www.youtube.com/watch?v=FcjAsTTN8qU
Mitosis:

http://www.youtube.com/watch?v=Ru8zC_JRyTI
Meiosis:

http://www.youtube.com/watch?v=MqaJq...eature=related
WebsitesBinary fission:

http://en.wikipedia.org/wiki/Binary_fission
Mitosis:

http://www.accessexcellence.org/RC/VL/GG/mitosis.php **|** http://www.johnkyrk.com/mitosis.html
Meiosis:

http://www.accessexcellence.org/RC/VL/GG/meiosis.php **|** http://www.johnkyrk.com/meiosis.html
Cells reproduce in three ways. Most biology courses will expect you to be familiar with mitosis and meiosis, so these sites provide a good overview.

*Photosynthesis and respiration*
PhotosynthesisInteractive light reactions:

http://www.johnkyrk.com/photosynthesis.html
Interactive dark reactions:

http://www.johnkyrk.com/photosynthesisdark.html
Text summary of photosynthesis, easy to navigate:

http://www.emc.maricopa.edu/faculty/...BioBookPS.html
RespirationGlycolysis (interactive):

http://www.johnkyrk.com/glycolysis.html
Glycolysis (in-depth, step-by-step text overview):

http://www.terravivida.com/vivida/glyintro/
Krebs acid cycle (interactive):

http://www.johnkyrk.com/krebs.html
Krebs acid cycle (thorough text summary):

http://en.wikipedia.org/wiki/Citric_acid_cycle
Anaerobic respiration:

http://campus.northpark.edu/biology/...robicresp.html
How cells produce energy. The process can be quite complicated, so I have chosen links with interactive or animated tutorials rather than primarily text.

*Heredity and genetics*
DNA replication (text and diagrams):

http://users.rcn.com/jkimball.ma.ult...plication.html
DNA replication (interactive):

http://www.wiley.com/college/pratt/0...ion/index.html
DNA transcription:

http://www.johnkyrk.com/DNAtranscription.html **|** http://en.wikipedia.org/wiki/Transcription_(genetics)

DNA translation (interactive):

http://www.johnkyrk.com/DNAtranslation.html
Chromosomes and inheritance:

http://wps.prenhall.com/esm_krogh_bi...36223-,00.html
Genotypes and phenotypes:

http://www.science.uva.nl/~seop/entr...ype-phenotype/
Monohybrid Mendelian crosses (interactive):

http://science.nhmccd.edu/biol/monohybr/monhybr.html
Dihybrid Mendelian crosses (interactive):

http://science.nhmccd.edu/Biol/dihybrid/dihybrid.html
These sites cover everything from DNA being transcribed and translated at a molecular level to genetic crosses throughout generations.

*Evolution*
Comprehensive website on evolution done by Berkeley University:

http://evolution.berkeley.edu/evolibrary/article/evo_01
*Botany*
Basic plant biology:

http://www.mbgnet.net/bioplants/
Plant tissue systems:

http://biology.about.com/library/weekly/aa030101a.htm
Xylem:

http://en.wikipedia.org/wiki/Xylem
Phloem:

http://en.wikipedia.org/wiki/Phloem
Chloroplast:

http://www.biology4kids.com/files/cell_chloroplast.html
Parts of a flower:

http://www.naturegrid.org.uk/qca/flowerparts.html
These sites provide a good spread of information about plants that is generally covered by a high school biology course.

*Physiology*
Body systemsThe digestive system:

http://digestive.niddk.nih.gov/ddiseases/pubs/yrdd/ **|** http://users.rcn.com/jkimball.ma.ult...G/GITract.html
http://www.fi.edu/learn/heart/systems/respiration.html **|** http://www.lungusa.org/site/c.dvLUK9...ory_System.htm (respiratory system)

http://library.thinkquest.org/5777/cir1.htm **|** http://www.globalclassroom.org/hemo.html (the circulatory system)

http://www.mnsu.edu/emuseum/biology/...talsystem.html (the skeletal system)

**|** http://health.howstuffworks.com/muscle.htm (how muscles work)

http://www.estrellamountain.edu/facu...oBookNERV.html **|** http://faculty.washington.edu/chudler/introb.html (the nervous system)

http://kidshealth.org/parent/general...cs/immune.html (the immune system)

The female reproductive system:

http://kidshealth.org/teen/sexual_he...ale_repro.html
The male reproductive system:

http://kidshealth.org/teen/sexual_he...ale_repro.html
Organs The heart:

http://kidshealth.org/kid/htbw/heart.html
The lung:

http://en.wikipedia.org/wiki/Lung
The brain:

http://serendip.brynmawr.edu/bb/kinser/Structure1.html
Vision and hearingVision:

http://www.howstuffworks.com/eye.htm
Hearing:

http://www.howstuffworks.com/hearing.htm
These webpages have to do with body systems and the functions of the human body.

Chemistry

**The Periodic Table:** http://www.elementsdatabase.com/
*Acids & bases*
Basic introduction:

http://chemistry.about.com/od/acidsb...basesterms.htm
Calculating pH and pOH:

http://dl.clackamas.edu/ch105-05/calculat1.htm
Nomenclature:

http://dl.clackamas.edu/ch105-05/nomencla.htm
Titrations:

http://www.sparknotes.com/chemistry/.../section1.html
Salts and neutralization:

http://chemistry.about.com/od/acidsb.../aa110204a.htm
Buffers:

http://www.chemguide.co.uk/physical/...a/buffers.html
Henderson-Hasselbalch equation for buffers:

http://www.chembuddy.com/?left=pH-ca...on-hasselbalch
These sites cover basic properties, formulas, and reactions to do with acids and bases.

*Atomic & molecular structure*
Moles:

http://chemistry.about.com/od/atomic...culesmoles.htm
Bonding:

http://www.ndt-ed.org/EducationResou...ture/bonds.htm
Structure of the atom:

http://shodor.org/unchem/basic/atom/index.html
Lewis structures:

http://www.ausetute.com.au/lewisstr.html
Quantum mechanics:

http://www.teachersdomain.org/assets..._qmechatom.pdf **|** http://library.thinkquest.org/C004970/atoms/orbital.htm
The Pauli exclusion principle:

http://hyperphysics.phy-astr.gsu.edu/Hbase/pauli.html
Hund's law:

http://www2.ucdsb.on.ca/tiss/stretto...1/elecon7.html
From the simple diagrams of atoms provided by Lewis structures, to the more complicated atomic models in quantum mechanics, these pages cover atomic and molecular structure.

*Gases*
Overview of gases:

http://antoine.frostburg.edu/chem/senese/101/gases/
Ideal gases:

http://www.sparknotes.com/chemistry/gases/ideal
The gas laws:

http://www.shodor.org/UNChem/advanced/gas/
The gas laws and their applications.

*Balancing equations*
Stoichiometry:

http://www.shodor.org/UNChem/basic/stoic/
Writing equations for a reaction:

http://www.roomd113.com/reaction%20notes.htm
Basic equation balancing:

http://chemistry.about.com/cs/stoich.../aa042903a.htm
Redox reactions:

http://chemistry.about.com/od/genera...s/redoxbal.htm
Higher order reactions:

http://chemistry.about.com/od/lectur...ctionorder.htm
The above sites cover everything from basic stoichiometry to more complicated reactions.

*Thermochemistry*
Factors that affect reactions:

http://chemistry.about.com/od/stoich...actionrate.htm
Laws of thermochemistry:

http://chemistry.about.com/library/weekly/aa073003a.htm
Applications of thermochemistry:

http://chemistry.about.com/od/atomic...culesmoles.htm
Hess's law:

http://www.science.uwaterloo.ca/~cch...c120/hess.html
Thermochemistry for exothermic and endothermic reactions.

*Organic chemistry*
Properties of carbon:

http://www.dendritics.com/scales/el-carbon.asp
Nomenclature:

http://www.acdlabs.com/iupac/nomenclature/
Basic organic chemistry:

http://www.visionlearning.com/librar...wer.php?mid=60
Organic chemistry notes:

http://library.thinkquest.org/3659/orgchem/
Problem guides for organic chemistry:

http://www.chemhelper.com/tutorials.html
Organic chemistry and all you need to know about names, properties, and types of molecules and bonds.

Physics

*Newton's laws*
Newton's laws/application to problems:

http://hyperphysics.phy-astr.gsu.edu/hbase/Newt.html
Forces and friction:

http://library.thinkquest.org/10796/ch4/ch4.htm
Motion in two dimensions:

http://theory.uwinnipeg.ca/physics/twodim/index.html
Vectors:

http://www.physics.uoguelph.ca/tutor...s/vectors.html
These sites have to do with Newton’s Laws and their application to two-dimensional motion and kinematics.

*Momentum*
Impulse and momentum:

http://www.mathsrevision.net/alevel/pages.php?page=81
Conservation of momentum:

http://theory.uwinnipeg.ca/physics/mom/node3.html
Types of collisions:

http://theory.uwinnipeg.ca/physics/m...00000000000000 **|** http://theory.uwinnipeg.ca/physics/m...00000000000000
Angular momentum:

http://hyperphysics.phy-astr.gsu.edu/Hbase/amom.html **|** http://theory.uwinnipeg.ca/physics/rot/node7.html
Conservation of angular momentum:

http://csep10.phys.utk.edu/astr161/l...ys/angmom.html
Conservation of momentum, impulse and angular momentum are covered in the links above.

*Work, energy, and power*
Overview of each:

http://www.mathsrevision.net/alevel/pages.php?page=93
Calculating work:

http://www.glenbrook.k12.il.us/GBSSC...gy/u5l1aa.html
Kinetic energy:

http://www.glenbrook.k12.il.us/GBSSC...rgy/u5l1c.html
Potential energy:

http://www.glenbrook.k12.il.us/GBSSC...rgy/u5l1b.html
Calculating work and power:

http://videos.howstuffworks.com/hsw/...watched&page=2
Basically everything about work and power and energy, however the trick is to know when to apply which equation in which problem.

*Circular motion and gravitation*
Angular velocity:

http://www.algebralab.org/lessons/le...inVelocity.xml **|** http://en.wikipedia.org/wiki/Angular_velocity
Angular acceleration:

http://en.wikipedia.org/wiki/Angular_acceleration **|** http://www.euclideanspace.com/physic...racceleration/
The right-hand rule:

http://www.physics.uoguelph.ca/tutor...que.intro.html (torque)

**|** http://www.compchem.org/~shutton/Cou...10Fall2005.doc
Newton's law of universal gravitation:

http://en.wikipedia.org/wiki/Newton%...al_gravitation
Satellites and escape velocity:

http://www.syvum.com/physics/gravita...vitation3.html
Circular motion in terms of velocity, acceleration, and torque. Newton's laws of universal gravitation to calculate the periods of satellites and the escape velocities of a projectile exiting the gravitational pull.

*Electricity*
Coulomb's law:

http://regentsprep.org/Regents/physi...mb/default.htm
Gauss's law:

http://hyperphysics.phy-astr.gsu.edu...ic/gaulaw.html
Electrostatic potential:

http://teacher.pas.rochester.edu/phy...Chapter25.html
Ohm's law:

http://www.physics.uoguelph.ca/tutor...ohm.intro.html
Kirchhoff's rules:

http://electron9.phys.utk.edu/phys13.../kirchhoff.htm
AC circuits:

http://www.physclips.unsw.edu.au/jw/AC.html
Capacitors:

http://www.uoguelph.ca/~antoon/gadgets/caps/caps.html
RC circuits:

http://www.rwc.uc.edu/koehler/biophys/4g.html
An overview of electricity with everything from electric fields to electric circuits.

*Magnetism*
Biot-Savart law:

http://hyperphysics.phy-astr.gsu.edu...ic/biosav.html
Ampere's law:

http://hyperphysics.phy-astr.gsu.edu...ic/amplaw.html
Magnetic moment:

http://hyperphysics.phy-astr.gsu.edu...ic/magmom.html
Magnetic potential:

http://en.wikibooks.org/wiki/Electro...etic_Potential
Simulation of charged particles in E/B fields:

http://demonstrations.wolfram.com/Ch...agneticFields/
Lorentz force:

http://en.wikipedia.org/wiki/Lorentz_force
Lenz and Faraday's laws:

http://buphy.bu.edu/py106/notes/FaradaysLaw.html
Maxwell equations:

http://www.artofproblemsolving.com/L...0Equations.pdf
These sites are suited for an upper-level physics course, so I have tried to keep them as simple and straightforward as possible, except in areas like the Maxwell equations where more detailed explanations are necessary.

*Light*
Reflection of light in mirrors:

http://www.glenbrook.k12.il.us/GBSSC.../reflntoc.html
Refraction of light in lenses:

http://www.glenbrook.k12.il.us/GBSSC.../refrntoc.html
The reflection and refraction of light.

*Fluid mechanics*
Bernoulli's equation:

http://www.princeton.edu/~asmits/Bic...Bernoulli.html
Pascal's principle:

http://www.grc.nasa.gov/WWW/K-12/Win...principle.html
Archimedes principle:

http://library.thinkquest.org/27948/archimede.html
Hagen-Poiseuille equation:

http://en.wikipedia.org/wiki/Poiseuille's_law
Basic fluid mechanics for liquids, including buoyancy, pressure and volumetric flow.

Earth Science and Environmental Science

*Astronomy and space*
The solar system:

http://science.nationalgeographic.co...e/solar-system
Stellar parallax:

http://www.astronomy.ohio-state.edu/...distances.html
Stars and constellations:

http://www.space.com/stars/
A basic astronomy overview as covered by elementary and middle school courses. Warning: Pluto is no longer a major planet!

*Geology*
Types of rocks:

http://www.rocks-rock.com/rock-types.html
The rock cycle (interactive):

http://www.classzone.com/books/earth...0602page02.cfm
Erosion:

http://www.geography4kids.com/files/land_erosion.html
Plate tectonics:

http://www.cotf.edu/ete/modules/mses...r/plates1.html
Mohs scale:

http://www.galleries.com/minerals/hardness.htm
The layers of the earth:

http://library.thinkquest.org/28327/..._of_earth.html
Geology in terms of rocks, the rock cycle, and the Earth itself.

*Natural disasters*
Volcanoes (text and pictures):

http://www.geology.sdsu.edu/how_volcanoes_work/
Volcanoes (text and videos):

http://www.learner.org/interactives/volcanoes/
Volcanoes (video footage):

http://www.youtube.com/watch?v=CgpNqrR318
Earthquakes:

http://earthquake.usgs.gov/learning/kids/
Tornadoes (text and pictures):

http://www.nssl.noaa.gov/edu/safety/tornadoguide.html
Tornadoes (video):

http://www.youtube.com/watch?v=xCI1u05KD_s
Hurricanes:

http://ww2010.atmos.uiuc.edu/(Gh)/gu...hurr/home.rxml
Eye of a hurricane (video):

http://www.youtube.com/watch?v=S5725...eature=related
Tsunamis:

http://science.howstuffworks.com/tsunami.htm
Floods:

http://science.howstuffworks.com/flood.htm
*Ecology*
Food and energy pyramid:

http://users.rcn.com/jkimball.ma.ult...oodChains.html
Ecological systems:

http://www.geography4kids.com/files/land_ecosystem.html
Biomes:

http://www.ucmp.berkeley.edu/exhibits/biomes/index.php
Habitats:

http://www.panda.org/news_facts/educ...tats/index.cfm
Endangered species:

http://www.kidsplanet.org/factsheets/map.html
Basic ecology and understanding of the living world.

*Water*
The water cycle:

http://ga.water.usgs.gov/edu/watercycle.html
Rivers:

http://www.ourwater.vic.gov.au/envir...ow-rivers-work
Lakes and turnover:

http://www.islandnet.com/~see/weathe.../turnlakes.htm
The ocean:

http://www.ocean.com/
Layers of the ocean:

http://www.seasky.org/deep-sea/ocean-layers.html
Tides:

http://en.wikipedia.org/wiki/Tide
Wetlands:

http://edtech.kennesaw.edu/web/wetlands.html
Everything you need to know about bodies of water, how they work, and more.

*Weather and climate*
The atmosphere:

http://csep10.phys.utk.edu/astr161/l...tmosphere.html
Weather map (interactive):

http://www.weather.com/weather/map/interactive/USPA1348
Beaufort scale:

http://www.zetnet.co.uk/sigs/weather...s/beaufort.htm
Devices for measuring weather:

http://www.naturalhistoryonthenet.co...ng_weather.htm
Climate zones:

http://www.blueplanetbiomes.org/climate.htm
Cloud types:

http://en.wikipedia.org/wiki/List_of_cloud_types
Understanding thunderstorms:

http://www.fema.gov/hazard/thunderstorm/index.shtm
About weather, climate, and how to measure them.

*Pollution*
Air pollution:

http://www.epa.gov/ebtpages/air.html
Greenhouse gases:

http://www.eia.doe.gov/bookshelf/bro...e/Chapter1.htm
Noise pollution:

http://www.infoplease.com/ce6/sci/A0835810.html
Water pollution and purification:

http://www.epa.gov/ebtpages/watewaterpollution.html **|** http://www.bookrags.com/research/wat...ification-wmi/ **|** http://en.wikipedia.org/wiki/Water_purification
Acid rain:

http://www.epa.gov/acidrain/
Solid waste:

http://www.epa.gov/osw/
Landfills:

http://www.zerowasteamerica.org/Landfills.htm
Recycling:

http://www.recyclezone.org.uk/
Global warming:

http://en.wikipedia.org/wiki/Global_warming
These sites cover pollution and its effects, as well as methods to reduce pollution. Be aware that the United States EPA does not fully recognize global warming as a man-made effect due to policy issues.

*Resources and energy use*
Fossil fuels:

http://www.umich.edu/~gs265/society/fossilfuels.htm
Nuclear energy:

http://www.eia.doe.gov/kids/energyfa...e/nuclear.html
How nuclear power plants work:

http://www.howstuffworks.com/nuclear-power.htm
Hydroelectric power:

http://ga.water.usgs.gov/edu/hyhowworks.html
Renewable energy:

http://www.eia.doe.gov/kids/energyfa...renewable.html
Soil and water conservation:

http://www.tn.gov.in/spc/tenthplan/CH_9_4.PDF
Irrigation techniques:

http://ga.water.usgs.gov/edu/irmethods.html
Much of what goes on in the world takes up energy and resources, particularly human activity. These sites introduce energy and natural resource conservation.

**Social Studies**
American History

**AP US History Notes: http://www.colinjeanne.net/apus/history/notes.htm**
*The American Colonies*
*The American Revolution*
*The War of 1812*
*Slavery and the Civil War*
*The Great Depression*
*America in WWII*
*The Cold War*
World History

**AP World History Notes: http://www.mrburnett.net/apworldhist...apternotes.htm**
*Early Human History 8000-2000 B.C.E.*
*Ancient Civilizations 3000-300 B.C.E.*
*Classical Civilizations 300 B.C.E.-500 C.E.*
*The Middle Ages 500-1450 C.E.*
*Early Modern Period 1450-1800 C.E.*
*The 19th Century*
*The 20th Century*
European History

**AP European History Notes: http://bedford.va.k12us.com/mday/AP%20European%20Notes**
*The Renaissance (1350-1550)*
*The Reformation (1517-1640)*
*The Age of Discovery and Enlightenment (1500-1780)*
*Revolutions: Political and Industrial (1780-1900)*
*Democracy and Nationalism (1815-1914)*
*European Imperialism (1870-1914)*
*World War I*
*The Rise of Dictators and Totalitarianism*
*World War II*
*The Cold War*
Government

*American Government (Democratic Republic)*
*British Government (Westminster Parliamentary Democracy)*
*Chinese Government (Single-Party Socialist State)*
*Russian Government (Transitional Democracy from Communism)*
*Iranian Government (Theocracy)*
*Nigerian Government (Third-World Emerging Democracy)*
**General Section! ***NEW!*
Course-Notes.Org - Notes, Outlines, Vocabulary Terms, Practice Quizzes and much more!
All round site with alot of subjects.
Zotero | Home - Amazing add-on to firefox so that you can cite your papers (Heck I will use this alot)
Educational videos and such by Khan Academy