Content Update: Mega Edition! (March/April/May 2020)
Updated
We greatly appreciate your patience as we've navigated the challenges of the last several months, and we sincerely hope you've been able to grow and find comfort in learning on Khan Academy. Because we haven't had a Content Update post since February, we have a mega update for you! See below for what's new at Khan Academy, organized by month.
March
Math
Arts and Humanities
Science
Computing
Test Prep
Resources
April
Arts and Humanities
ELA Beta
Partner Content
Economics and Finance
Math
Science
Test Prep
March
ELA Beta, AP Chemistry Beta, and AP Biology got their own updates! See the new content for ELA Beta here, for AP Chemistry Beta here, and for AP Biology here.
Math
5th Grade (Videos)
- Fraction multiplication as scaling examples
- Fraction division in context
- Dividing fractions and whole number word problems
- Multiplication and division relationship for fractions
- Adding fractions with unlike denominators introduction
- Subtracting fractions with unlike denominators introduction
- Estimating adding fractions with unlike denominators
6th Grade Foundations (Eureka Math/EngageNY) (Exercise)
Arts and Humanities
Art of the Americas to World War I (Videos)
- A Jewish family in early New York
- The making of an American myth: Benjamin West, Penn's Treaty with the Indians
- The Civil War: putting Liberty front and center
- Hiram S. Powers, The Greek Slave
AP Art History (Video)
Special Topics in Art History (Videos and Articles)
- The Pueblo Modernism of Velino Shije Herrera (Video)
- Visiting the Lower East Side in 1905 (Video)
- A magical landscape (Video)
- Family, Community, Society (Article)
- "The place you ought to be" (Article)
- "America the Beautiful" (Article)
- Art is a conversation with time (Article)
- "What a fascinating modern age we live in" (Article)
- Majority to minority and back again (Article)
Europe 1300 - 1800 (Video)
Global Cultures 1980 - Now (Videos)
- Turning Uncle Tom's Cabin upside down, Alison Saar's Topsy and the Golden Fleece
- Endangered coastlines and lifeways -- a Shinnecock artist's view
- Sue Coe, Aids won't wait, the enemy is here not in Kuwait, 1990
- Hock E Aye VI Edgar Heap of Birds, Native Hosts
Modernisms 1900-1980 (Videos)
- Before Pennsylvania Station, George Bellows and old New York
- The moment of American Industry: Elsie Driggs, Blast Furnaces, 1927
- A beacon of hope, Aaron Douglas's Aspiration
- Beyond New York: Bellows and World War I
AP US Government and Politics (Videos and Article)
- Groups influencing policy outcomes (Video)
- Policy and the branches of government (Video)
- Groups influencing policy outcomes: lesson overview (Article)
Science
AP Chemistry (Videos)
Health and Medicine (Exercise)
Class 10 Chemistry (India) (Videos and Exercises)
- Functional groups (Video)
- Covalent bond (Video)
- Covalent bond and Lewis dot structure (H2O & CO2) (Video)
- Structural Isomers | Carbon and its compounds (Video)
- Structural (constitutional) isomers (Video)
- Nomenclature of carbon compounds (Including functional groups) (Video)
- Hydrocarbon overview: Alkanes, Alkenes, and Alkynes (Video)
- Alkanes, Alkenes, and Alkynes- General molecular formula (Video)
- Nomenclature of hydrocarbons: Alkanes, Alkenes, & Alkynes (Video)
- Identify the functional groups (Exercise)
- Name the carbon compounds (Exercise)
- Name the unsaturated compounds (Exercise)
- Alcohol reacting with conc. sulphuric acid (Exercise)
- Alcohol reacting with sodium (Exercise)
- Saponification reaction (Exercise)
- Homologous series: General formula (Exercise)
- Esterification reaction (Exercise)
- Roles of sulphuric acid & sodium in alcohol (Exercise)
Class 10 Physics (India) (Videos, Exercises, and an Article)
- Formation of rainbows (& how far are they) (Video)
- Overload & short circuit: Domestic circuits (Part 3) (Video)
- Domestic circuit connection & fuse - Domestic circuit (Part 2) (Video)
- Live wire, neutral & ground (earth wire) - Domestic circuits (part 1) (Video)
- Alternating current, direct current & what is frequency? (Video)
- Using the lens formula (Exercise)
- Paths of light rays through spherical lenses (Exercise)
- Snell's law of refraction (Exercise)
- Connection between relative and absolute refractive indices (Exercise)
- Review and practice - parts of the human eye: features and functions (Article)
Computing
AP Computer Science Principles (Articles)
Test Prep
SAT Tips and Strategies (Articles)
- How to approach a Literature passage and its questions
- How to approach a Social Science passage and its questions
Official LSAT Prep (Article)
Resources
Teachers (Articles)
- 7 tips for effective remote learning with Khan Academy
- Using Khan Academy for personalized practice and mastery
Parents (Articles)
April
The World History Project - Origins Beta and AP Biology got their own updates! See the new content for World History Project - Origins Beta here and for AP Biology here.
Arts and Humanities
AP US History (Video)
Art of Africa (Article)
Art of the Americas to World War I (Videos)
- Cultures and slavery in the American south: a Face Jug from Edgefield county
- Celebrating America's place in the world
- Cotton, oil, and the economics of history
- Mending America, women and the Civil War
- It's not only about the American Revolution, Leutze's Washington Crossing the Delaware
- Revisiting a frozen sea
Art of the Islamic World (Video)
Europe 1300 - 1800 (Video and Articles)
- Why Is This Woman in the Jungle? (Video)
- The Medieval and Renaissance Altarpiece (Article)
- Iconoclasm in the Netherlands in the Sixteenth Century (Article)
Global Cultures 1980 - Now (Video)
Modernisms 1900-1980 (Videos and Article)
- Cuban cigars, Cuban independence (Video)
- Cars, highways, and isolation in Postwar America (Video)
- Robert Rauschenberg, Erased de Kooning Drawing (Article)
Seeing America (Videos and Articles)
- Cotton, oil, and the economics of history (Video)
- Celebrating America's place in the world (Video)
- Cuban cigars, Cuban independence (Video)
- Fashion and alienation in 1960s New York, Marisol's The Party (Video)
- Revisiting a frozen sea (Video)
- Cars, highways, and isolation in Postwar America (Video)
- An American story (Video)
- Mending America, women and the Civil War (Video)
- Faith Ringgold, Ben (Video)
- Duane Hanson, Executive, originally titled, Another Day (Video)
- Going out to the cinema in 1913, John Sloan's Movies (Video)
- A show-stopping cut-glass punch bowl (Video)
- Dreaming big, Thomas Cole paints 4,500 years of architectural history in The Architect's Dream (Video)
- A Jewish family in early New York: learning resources (Articles from here to end of list)
- Europe's earliest views of America: learning resources
- Cuban cigars, Cuban independence: learning resources
- Cotton, oil, and the economics of history: learning resources
- Hiram S. Powers, The Greek Slave: learning resources
- "We have met the enemy and they are ours.": learning resources
- Beyond New York ‚ Bellows and World War I: learning resources
- Celebrating America's place in the world: learning resources
- The Pueblo Modernism of Velino Shije Herrera: learning resources
- History and deception: Kenseth Armstead's Surrender Yorktown 1781: learning resources
- A desert on fire, Salgado photographs Kuwait: learning resources
- Sue Coe, Aids won't wait, the enemy is here not in Kuwait: learning resources
- Superman, World War II, and Japanese-American experience: learning resources
- The light of democracy: examining the Statue of Liberty: learning resources
- From "New World" to world power
- Fashion and alienation in 1960s New York, Marisol's The Party: learning resources
- Turning Uncle Tom's Cabin upside down, Alison Saar's Topsy and the Golden Fleece: learning resources
- Revisiting a frozen sea: learning resources
- Endangered coastlines and lifeways -- a Shinnecock artist's view: learning resources
- Mapping nature's stunning beauty: learning resources
- Desert to Suburb, framing the American Dream: learning resources
- What's in a map? Jaune Quick-To-See Smith's "State Names" : learning resources
- Inspiration at Yosemite: learning resources
- Cars, highways, and isolation in Postwar America: learning resources
- The City at night, Joseph Stella's The Voice of the City of New York Interpreted: learning resources
- Before Pennsylvania Station, George Bellows and old New York: learning resources
- The painting that inspired a National Park: learning resources
- Carleton Watkins and the business of seeing the American west: learning resources
- Clean water for a young Philadelphia: learning resources
- The Great Serpent Mound
- Picturing Spanish conquest in an era of U.S. expansion: learning resources
- From quills to beads: the bandolier bag: learning resources
- Jacob Lawrence, The Migration Series: learning resources
- A magical landscape: learning resources
- Hock E Aye Vi Edgar Heap of Birds, Native Hosts: learning resources
- Visiting the Lower East Side in 1905: learning resources
- Behind the icon, Dorothea Lange's Migrant Mother: learning resources
- American resilience and the Great Depression: learning resources
- Stieglitz, the Steerage, learning resources
- Envisioning Manifest Destiny, Leutze's Westward the Course of Empire: learning resources
- Eastman Johnson, A Ride for Liberty -- The Fugitive Slaves: learning resources
- Blythe, Justice: learning resources
- Mending America, women and the Civil War: learning resources
- The making of an American myth: Benjamin West, Penn's Treaty with the Indians: learning resources
- Icon and irony: Jasper Johns, Flag: learning resources
- Faith Ringgold, Ben: learning resources
- Martyr or murderer? Hovenden's The Last Moments of John Brown: learning resources
- A beacon of hope, Aaron Douglas's Aspiration: learning resources
- Seneca Village: learning resources
- Celebrating American enterprise: Willam Sidney Mount, Bargaining for a Horse
- Duane Hanson, Executive, originally titled, Another Day: learning resources
- Glass Chair at the 1939 New York World's Fair: learning resources
- The moment of American Industry: Elsie Driggs, Blast Furnaces, 1927: learning resources
- Going out to the cinema in 1913, John Sloan's Movies: learning resources
- A Landmark Decision: Penn Station, Grand Central, and the architectural heritage of NYC: learning resources
- A show-stopping cut-glass punch bowl: learning resources
- An early skyscraper: Louis Sullivan’s Carson Pirie Scott Building
- Heroes of modern surgery, Eakins' Dr. Gross and Dr. Agnew: learning resources
- Dreaming big in The Architect's Dream: learning resources
Specials Topics in Art History (Videos and an Article)
- Cotton, oil, and the economics of history (Video)
- Celebrating America's place in the world (Video)
- Cuban cigars, Cuban independence (Video)
- Revisiting a frozen sea (Video)
- Cars, highways, and isolation in Postwar America (Video)
- An American story (Video)
- Mending America, women and the Civil War (Video)
- From "New World" to world power (Article)
Start Here (Approaches to Art History) (Video)
- Art and Empathy
- The $150,000 Banana
- Why Do Corporations Buy Art?
- How Climate Changes Art
- Ever wondered who's who? How to recognize saints...
ELA Beta
2nd Grade Reading and Vocabulary (Video)
3rd Grade Reading and Vocabulary (Videos)
4th Grade Reading and Vocabulary (Videos)
5th Grade Reading and Vocabulary (Videos)
6th Grade Reading and Vocabulary (Video and Exercises)
- Making inferences in literary texts | Reading (Video)
- Banning Behavior: vocabulary; Are We a Nation of Addicts? 6
- Banning Behavior: reading informational text; Are We a Nation of Addicts? 6
- Banning Behavior: reading argumentative text; Soda Tax 6
- Banning Behavior: reading drama; Hands Off My Phone! 6
- Banning Behavior: reading creative fiction; Inscribing Rebellion 6
7th Grade Reading and Vocabulary (Exercises)
- Trailblazing Women: vocabulary; Katherine Johnson 7
- Trailblazing Women: reading informational text; Katherine Johnson 7
- Trailblazing Women: reading a speech and drama; Sojourner Truth 7
- Trailblazing Women: reading informational text; Mae Jemison 7
- Trailblazing Women: reading informational text; Ada Lovelace 7
8th Grade Reading and Vocabulary (Exercises and Articles)
- Funny business: vocabulary; A Midsummer Night's Dream 8 (Exercises)
- Funny Business: reading informational text; This Is Your Brain on Comedy 8 (Exercises)
- Funny business: reading realistic fiction; Use What You Have 8 (Exercises)
- Funny business: reading realistic fiction; An Uncomfortable Bed 8 (Exercises)
- Funny Business: reading drama; A Midsummer Night's Dream 8 (Article)
- Funny Business: unit vocabulary (Article)
- Welcome to the Funny Business unit! (Article)
9th Grade Reading and Vocabulary (Exercises and Articles)
- Borders: vocabulary; Mending Wall 9 (Exercises)
- Borders: reading argumentative text; Border Walls 9 (Exercises)
- Borders: reading poetry; Mending Wall 9 (Exercises)
- Borders: reading a speech; Reagan at the Brandenburg Gate 9 (Exercises)
- Borders: reading informational text; Berlin Wall 9 (Exercises)
- Borders: unit vocabulary (Article)
- Welcome to the Borders unit! (Article)
Partner Content
Big History Project (Videos and Article)
- To Scale: The Solar System (Video)
- Jacqueline Howard: A Day on Mars | Big History Project (Video)
- Crash Course Big History #10: The Deep Future (Video)
- Why Cosmic Evolution Matters: Crash Course Big History #201 (Video)
- Why Star Stuff Matters: Crash Course Big History #202 (Video)
- Why the Evolutionary Epic Matters: Crash Course Big History #203 (Video)
- Why Human Evolution Matters: Crash Course Big History #204 (Video)
- Why Human Ancestry Matters: Crash Course Big History #205 (Video)
- Jacqueline Howard: History of Domestic Animals | Big History Project (Video)
- Crash Course Big History #7: Migrations and Intensifications (Video)
- Why Early Globalization Matters: Crash Course Big History #206 (Video)
- Jacqueline Howard: History of Money | Big History Project (Video)
- Crash Course Big History #9: The Anthropocene and the Near Future (Video)
- Activity: Vocab Tracking (Articles from here to end of list)
- Activity: DQ Notebook
- Activity: DQ Notebook
- Vocab Guide
- Google Docs
- Activity: Lesson 10.0 DQ Notebook
- Activity: What do you know? What do you ask?
- Activity: Vocab Tracking
- Activity: Lesson 10.2 DQ notebook
- Google Docs
- Vocab Guide
- Vocab Guide
- Google Docs
- Vocab Guide
- Google Docs
- Activity: Vocab Tracking
- Activity: Lesson 4.1 DQ Notebook
- Activity: Lesson 4.3 DQ notebook
- Activity: DQ Notebook
- Activity: Vocab Tracking
- Unit 5.3 DQ Notebook
- Vocab Guide
- Google Docs
- Activity: Unit 6.0 DQ Notebook
- Activity: Vocab Tracking
- Activity: DQ Notebook
- Vocab Guide
- Google Docs
- Activity: DQ Notebook
- Activity: Vocab Tracking
- The Origin of World Religions
- Activity: DQ Notebook
- Activity: What Do You Know? What Do You Ask?
- Google Docs
- Vocab Guide
- Activity: DQ Notebook
- Activity: Vocab Tracking
- China: The First Great Divergence
- Activity: DQ Notebook
- Google Docs
- Vocab Guide
- Activity: DQ Notebook
- Activity: Vocab Tracking
- Anthropocene Africa
- Activity: DQ Notebook
- Google Docs
- Vocab Guide
Exploratorium (Video)
Economics and Finance
Macroeconomics (Videos)
- US taxation trends in the post war era
- Per capita GDP trends over past 70 years
- Introduction to series analyzing income and wealth trends in the US
- Comparing income trends across countries
- Looking at trends in inflation adjusted income since 1980
Math
Class 7 Math (India) (Exercise)
Class 8 Math (Foundation) (Exercise)
Class 8 Math (Foundation - Hindi) (Exercise)
Science
AP Chemistry Beta (Exercise)
Class 10 Chemistry (India) (Videos and Exercises)
- Given atomic number find position and vice-versa (Solved example) (Video)
- The modern periodic table (Video)
- Periodic trend of valency (Video)
- Periodic trend of Metallic character (Video)
- Ionization energy trends in periodic table (Video)
- Find the valence electrons (Exercise)
- Electronic configuration of elements: KLMN shells. (Exercise)
- Identify the elements belonging to the same group or period (Exercise)
- Groups and periods: find the atomic number (Exercise)
- Find the group and period of an element (Exercise)
- Periodic classification: Identify the laws (Exercise)
- Periodic trends of atomic size (Exercise)
- Valency: Write the formula of a compound (Exercise)
- Find the valency of an element (Exercise)
Test Prep
Official SAT Practice (Articles)
- Paired passages | Quick guide
- Graphs and data | Quick guide
- Evaluating evidence | Quick guide
- Word choice | Quick guide
- Words in context | Quick guide
- Part-whole relationships | Quick guide
- Purpose | Quick guide
- Overall structure | Quick guide
- Main idea | Quick guide
- Citing evidence | Quick guide
- Analyzing relationships | Quick guide
- Point of view | Quick guide
- Implicit information | Quick guide
- Explicit information | Quick guide
- Analogical reasoning | Quick guide
- Paired passages | Quick guide
- Graphs and data | Quick guide
- Evaluating evidence | Quick guide
- Word choice | Quick guide
- Words in context | Quick guide
- Part-whole relationships | Quick guide
- Purpose | Quick guide
- Overall structure | Quick guide
- Main idea | Quick guide
- Citing evidence | Quick guide
- Analyzing relationships | Quick guide
- Point of view | Quick guide
- Implicit information | Quick guide
- Explicit information | Quick guide
- Analogical reasoning | Quick guide
May
Science
Class 10 Chemistry (India) (Exercises)