Online courses directory (381)

Elements and Atoms. Introduction to the atom. Elements and Atoms. Introduction to the atom.

Orbitals. More on orbitals and electron configuration. Electron configurations. Electron configurations 2. Valence Electrons. Orbitals. More on orbitals and electron configuration. Electron configurations. Electron configurations 2. Valence Electrons.

Groups of the Periodic Table. Valence Electrons. Periodic Table Trends: Ionization Energy. Other Periodic Table Trends. Ionic, Covalent, and Metallic Bonds. Groups of the Periodic Table. Valence Electrons. Periodic Table Trends: Ionization Energy. Other Periodic Table Trends. Ionic, Covalent, and Metallic Bonds.

Molecular and Empirical Formulas. The Mole and Avogadro's Number. Formula from Mass Composition. Another mass composition problem. Balancing Chemical Equations. Stoichiometry. Stoichiometry Example Problem 1. Stoichiometry Example Problem 2. Stoichiometry: Limiting Reagent. Limiting Reactant Example Problem 1. Spectrophotometry Introduction. Spectrophotometry Example. Molecular and Empirical Formulas. The Mole and Avogadro's Number. Formula from Mass Composition. Another mass composition problem. Balancing Chemical Equations. Stoichiometry. Stoichiometry Example Problem 1. Stoichiometry Example Problem 2. Stoichiometry: Limiting Reagent. Limiting Reactant Example Problem 1. Spectrophotometry Introduction. Spectrophotometry Example.

Ideal Gas Equation: PV=nRT. Ideal Gas Equation Example 1. Ideal Gas Equation Example 2. Ideal Gas Equation Example 3. Ideal Gas Equation Example 4. Partial Pressure. Vapor Pressure Example. Ideal Gas Equation: PV=nRT. Ideal Gas Equation Example 1. Ideal Gas Equation Example 2. Ideal Gas Equation Example 3. Ideal Gas Equation Example 4. Partial Pressure. Vapor Pressure Example.

States of Matter. States of Matter Follow-Up. Specific Heat, Heat of Fusion and Vaporization. Chilling Water Problem. Phase Diagrams. Van Der Waals Forces. Covalent Networks, Metallic, and Ionic Crystals. Vapor Pressure. Suspensions, Colloids and Solutions. Solubility. Boiling Point Elevation and Freezing Point Suppression. Change of State Example. States of Matter. States of Matter Follow-Up. Specific Heat, Heat of Fusion and Vaporization. Chilling Water Problem. Phase Diagrams. Van Der Waals Forces. Covalent Networks, Metallic, and Ionic Crystals. Vapor Pressure. Suspensions, Colloids and Solutions. Solubility. Boiling Point Elevation and Freezing Point Suppression. Change of State Example.

Introduction to Kinetics. Reactions in Equilibrium. Mini-Video on Ion Size. Keq Intuition (mathy and not necessary to progress). Keq derivation intuition (can skip; bit mathy). Heterogeneous Equilibrium. Le Chatelier's Principle. Introduction to pH, pOH, and pKw. Introduction to Kinetics. Reactions in Equilibrium. Mini-Video on Ion Size. Keq Intuition (mathy and not necessary to progress). Keq derivation intuition (can skip; bit mathy). Heterogeneous Equilibrium. Le Chatelier's Principle. Introduction to pH, pOH, and pKw.

Acid Base Introduction. pH, pOH of Strong Acids and Bases. pH of a Weak Acid. pH of a Weak Base. Conjugate Acids and Bases. pKa and pKb Relationship. Buffers and Hendersen-Hasselbalch. Strong Acid Titration. Weak Acid Titration. Half Equivalence Point. Titration Roundup. Acid Base Titration. Acid Base Introduction. pH, pOH of Strong Acids and Bases. pH of a Weak Acid. pH of a Weak Base. Conjugate Acids and Bases. pKa and pKb Relationship. Buffers and Hendersen-Hasselbalch. Strong Acid Titration. Weak Acid Titration. Half Equivalence Point. Titration Roundup. Acid Base Titration.

Introduction to Oxidation States. More on Oxidation States. Hydrogen Peroxide Correction. Redox Reactions. Galvanic Cells. Introduction to Oxidation States. More on Oxidation States. Hydrogen Peroxide Correction. Redox Reactions. Galvanic Cells.

Types of Decay. Half-Life. Exponential Decay Formula Proof (can skip, involves Calculus). Introduction to Exponential Decay. More Exponential Decay Examples. Types of Decay. Half-Life. Exponential Decay Formula Proof (can skip, involves Calculus). Introduction to Exponential Decay. More Exponential Decay Examples.

Khan Academy Vision. Sal Khan on Digital and Physical Learning. Khan Academy Vision. Sal Khan on Digital and Physical Learning.

See how Khan Academy is used in real-life. Covers various models in public, charter, and independent schools as well as community programs with elementary, middle, and high school students. We're excited about the way these schools are using our resources and are eager to learn from more teachers and students. Khan Academy at Eastside College Prep. About Eastside Prep. Khan Academy in Los Altos School District. About LASD. 3rd graders build robots at Santa Rita Elementary School. NPR Story on KA Los Altos Pilots (June 2011). The Gates Notes: Teachers in Los Altos. The Gates Notes: Students in Los Altos. The Gates Notes: Administrators in Los Altos. 6th graders learn to build a Spider robot. Khan Academy at Oakland Unity High School. About Oakland Unity. Khan Academy chats with teachers - Oct 11, 2012. Khan Academy at KIPP. About KIPP. Khan Academy at Summit Prep. About Summit Public Schools. Khan Academy at Eastside College Prep. About Eastside Prep. Khan Academy in Los Altos School District. About LASD. 3rd graders build robots at Santa Rita Elementary School. NPR Story on KA Los Altos Pilots (June 2011). The Gates Notes: Teachers in Los Altos. The Gates Notes: Students in Los Altos. The Gates Notes: Administrators in Los Altos. 6th graders learn to build a Spider robot. Khan Academy at Oakland Unity High School. About Oakland Unity. Khan Academy chats with teachers - Oct 11, 2012. Khan Academy at KIPP. About KIPP. Khan Academy at Summit Prep. About Summit Public Schools.

Overview of the videos, exercises, reports, and Computer Science resources available on Khan Academy, with emphasis on how resources can be used in classrooms. For more information, check out http://www.khanacademy.org/toolkit/ka-resources. For a mapping of Khan Academy content to Common Core standards, check out khanacademy.org/commoncore. Khan Academy overview. Khan Academy reports overview. Khan Academy Exercise Overview. Khan Academy Computer Science in the classroom.

Overview of how to set up accounts for students under 13 and 13+, how to add a coach on Khan Academy, and how to separate students into class lists. For more information on getting started and technology needs, check out http://www.khanacademy.org/toolkit/getting-started. Creating Khan Academy accounts for users ages 13+. Creating Khan Academy accounts for users under age 13. Adding a coach and creating class lists on Khan Academy. How to delete a student or class list. How to add a coach on Khan Academy.

Overview of some of the ways to use Khan Academy. For more information, including worksheets to help plan the first day and month with Khan Academy, check out http://www.khanacademy.org/toolkit/classroom-uses. . Easiest Way. Station Rotation. Learning Lab. Interactive Classroom. Using class time.

Answers to teachers' questions about Khan Academy and how it can be used in the classroom. Answers may come from Khan Academy team members and/or teachers who use Khan Academy with their students. Khan Academy chats with teachers - Oct 11, 2012. Khan Academy chats with teachers - Oct 11, 2012.

GMAT Math: 1. GMAT Math: 2. GMAT Math: 3. GMAT Math: 4. GMAT Math: 5. GMAT: Math 6. GMAT: Math 7. GMAT: Math 8. GMAT: Math 9. GMAT: Math 10. GMAT: Math 11. GMAT: Math 12. GMAT: Math 13. GMAT: Math 14. GMAT: Math 15. GMAT: Math 16. GMAT: Math 17. GMAT: Math 18. GMAT: Math 19. GMAT Math 20. GMAT Math 21. GMAT Math 22. GMAT Math 23. GMAT Math 24. GMAT Math 25. GMAT Math 26. GMAT Math 27. GMAT Math 28. GMAT Math 29. GMAT Math 30. GMAT Math 31. GMAT Math 32. GMAT Math 33. GMAT Math 34. GMAT Math 35. GMAT Math 36. GMAT Math 37. GMAT Math 38. GMAT Math 39. GMAT Math 40. GMAT Math 41. GMAT Math 42. GMAT Math 43. GMAT Math 44. GMAT Math 45. GMAT Math 46. GMAT Math 47. GMAT Math 48. GMAT Math 49. GMAT Math 50. GMAT Math 51. GMAT Math 52. GMAT Math 53. GMAT Math 54.

GMAT: Data Sufficiency 1. GMAT: Data Sufficiency 2. GMAT: Data Sufficiency 3. GMAT: Data Sufficiency 4. GMAT: Data Sufficiency 5. GMAT: Data Sufficiency 6. GMAT: Data Sufficiency 7. GMAT: Data Sufficiency 8. GMAT: Data Sufficiency 9. GMAT: Data Sufficiency 10. GMAT: Data Sufficiency 11. GMAT: Data Sufficiency 12. GMAT: Data Sufficiency 13. GMAT: Data Sufficiency 14. GMAT: Data Sufficiency 15. GMAT: Data Sufficiency 16. GMAT: Data Sufficiency 17. GMAT: Data Sufficiency 18. GMAT: Data Sufficiency 19. GMAT: Data Sufficiency 20. GMAT: Data Sufficiency 21. GMAT Data Sufficiency 21 (correction). GMAT: Data Sufficiency 22. GMAT: Data Sufficiency 23. GMAT: Data Sufficiency 24. GMAT: Data Sufficiency 25. GMAT: Data Sufficiency 26. GMAT: Data Sufficiency 27. GMAT: Data Sufficiency 28. GMAT: Data Sufficiency 29. GMAT: Data Sufficiency 30. GMAT: Data Sufficiency 31. GMAT: Data Sufficiency 32. GMAT: Data Sufficiency 33. GMAT: Data Sufficiency 34. GMAT: Data Sufficiency 35. GMAT: Data Sufficiency 36. GMAT: Data Sufficiency 37. GMAT: Data Sufficiency 38. GMAT: Data Sufficiency 39. GMAT Data Sufficiency 40. GMAT Data Sufficiency 41.

A broad set of tutorials covering perimeter area and volume with and without algebra. Perimeter and Area Basics. Area and Perimeter. Perimeter of a Polygon. Perimeter of a shape. Perimeter 1. Finding dimensions given perimeter. Area 1. Finding dimensions given area. Perimeter and Area Basics. Triangle Area Proofs. Area of triangles. Interesting Perimeter and Area Problems. Area of Diagonal Generated Triangles of Rectangle are Equal. Area of an equilateral triangle. Area of shaded region made from equilateral triangles. Shaded areas. Challenging Perimeter Problem. Triangle inqequality theorem. Triangle inequality theorem. Koch Snowflake Fractal. Area of an equilateral triangle. Area of Koch Snowflake (part 1) - Advanced. Area of Koch Snowflake (part 2) - Advanced. Heron's Formula. Heron's formula. Part 1 of Proof of Heron's Formula. Part 2 of the Proof of Heron's Formula. Circles: Radius, Diameter and Circumference. Parts of a Circle. Radius diameter and circumference. Area of a Circle. Area of a circle. Quadrilateral Overview. Quadrilateral Properties. Area of a Parallelogram. Area of parallelograms. Area of a trapezoid. Area of a kite. Area of trapezoids, rhombi, and kites. Perimeter of a Polygon. Perimeter and Area of a Non-Standard Polygon. How we measure volume. Measuring volume with unit cubes. Volume with unit cubes. Measuring volume as area times length. Volume of a rectangular prism or box examples. Volume 1. Volume word problem example. Volume word problems. Solid Geometry Volume. Cylinder Volume and Surface Area. Volume of a Sphere. Solid geometry. Perimeter and Area Basics. Area and Perimeter. Perimeter of a Polygon. Perimeter of a shape. Perimeter 1. Finding dimensions given perimeter. Area 1. Finding dimensions given area. Perimeter and Area Basics. Triangle Area Proofs. Area of triangles. Interesting Perimeter and Area Problems. Area of Diagonal Generated Triangles of Rectangle are Equal. Area of an equilateral triangle. Area of shaded region made from equilateral triangles. Shaded areas. Challenging Perimeter Problem. Triangle inqequality theorem. Triangle inequality theorem. Koch Snowflake Fractal. Area of an equilateral triangle. Area of Koch Snowflake (part 1) - Advanced. Area of Koch Snowflake (part 2) - Advanced. Heron's Formula. Heron's formula. Part 1 of Proof of Heron's Formula. Part 2 of the Proof of Heron's Formula. Circles: Radius, Diameter and Circumference. Parts of a Circle. Radius diameter and circumference. Area of a Circle. Area of a circle. Quadrilateral Overview. Quadrilateral Properties. Area of a Parallelogram. Area of parallelograms. Area of a trapezoid. Area of a kite. Area of trapezoids, rhombi, and kites. Perimeter of a Polygon. Perimeter and Area of a Non-Standard Polygon. How we measure volume. Measuring volume with unit cubes. Volume with unit cubes. Measuring volume as area times length. Volume of a rectangular prism or box examples. Volume 1. Volume word problem example. Volume word problems. Solid Geometry Volume. Cylinder Volume and Surface Area. Volume of a Sphere. Solid geometry.

Understanding the purpose, notation, and building blocks of geometry. Euclid as the Father of Geometry. Language and Notation of Basic Geometry. Lines, Line Segments, and Rays. Identifying Rays. Identifying Parallel and Perpendicular Lines.