facts for kids
Kids encyclopedia facts
Use the search form above to search for facts in the Kiddle encyclopedia (Kpedia). Below is a list of some articles and categories to help you research different topics for school homework help, homeschooling and general education.
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used for personal and educational purposes under Attribution-ShareAlike license, unless stated otherwise.
Science
Astronomy
- Astronomy
- Asteroid
- Big Bang
- Black hole
- Comet
- Galaxy
- Moon
- Planet
- Solar System
- Spaceflight
- Star
- Universe
Biology
- Biology
- Biological materials
- Botany
- Ecology
- Domestication
- Life
- Biological classification
Biological processes
Organisms
Anatomy
- Anatomy
- Cell
- Circulatory system
- Endocrine system
- Human gastrointestinal tract
- Muscle
- Nervous system
- Respiratory system
- Skeleton
- Skin
Health and medicine
Chemistry
- Chemistry
- Inorganic chemistry
- Biochemistry
- Chemical compound
- Chemical element
- Organic chemistry
- Molecule
- Analytical chemistry
- Physical chemistry
Earth science
Fourpeaked volcano, Alaska, in September 2006 after being thought extinct for over 10,000 years
Physics
- Physics
- Acceleration
- Atom
- Energy
- Electromagnetic radiation
- Classical mechanics
- Force
- Magnet
- Mass
- Metal
- Nuclear fission
- State of matter
- Quantum mechanics
- Radioactive decay
- General relativity
- Special relativity
- Semiconductor
- Sound
- Velocity
- Temperature
- Time
- Thermodynamics
- Vacuum
Measurement and units
Timekeeping
Foodstuffs

Salt mounds in Bolivia
Beverages
Mathematics

Euclid (holding calipers), Greek mathematician, 3rd century BC, as imagined by Raphael in this detail from The School of Athens.
- Mathematics
- Algebra
- Arithmetic
- Coordinate system
- Equation
- Function (mathematics)
- Geometry
- Mathematical proof
- Number
- Infinity
- Set theory
- Statistics
- Symmetry
- Trigonometry
Technology

Model of Leonardo's robot with inner workings. Possibly constructed by Leonardo da Vinci around the year 1495.
Communication
Electronics
- Electronics
- Components
Computers and Internet
- Computer
- Artificial intelligence
- Information technology
- Internet
- Operating system
- Programming language
- Software
Energy and fuels
Materials
Transportation
Arts and recreation
Architecture and civil engineering
Film, radio and television
Music
- Accordion
- Brass instrument
- Alto_saxophone
- Bass guitar
- Bass drum
- Bassoon
- Bongo
- Carillon
- Cello
- Tubular bells
- Clarinet
- Contrabassoon
- Cornet
- Drum
- Electric guitar
- Electric piano
- Synthesizer
- Cor anglais
- Euphonium
- Flugelhorn
- Flute
- Horn (instrument)
- Guitar
- Harmonica
- Harp
- Harpsichord
- Lyre
- Oboe
- Piano
- Piccolo
- Pipe organ
- Recorder
- Saxophone
- Snare drum
- Double bass
- String instrument
- Timpani
- Trombone
- Trumpet
- Tuba
- Vibraphone
- Viola
- Violin
- Xylophone
- Zither
- Mandolin
- Lute
- Wind instrument
- Woodwind instrument
- Bagpipes
- Percussion instrument
- Cymbal
Recreation
History and geography
History
Prehistory and ancient world
- Prehistory
- Stone Age
- Bronze Age
- Iron Age
- Mesopotamia
- Ancient Egypt
- Ancient Greece
- Roman Empire
- Han Dynasty
- Gupta Empire
Middle Ages and Early Modern
- Abbasid Caliphate
- Age of Enlightenment
- Aztec
- Byzantine Empire
- Crusades
- Holy Roman Empire
- Hundred Years' War
- Middle Ages
- Mongol Empire
- Ming Dynasty
- Ottoman Empire
- Protestant Reformation
- Thirty Years' War
- Renaissance
- Tang Dynasty
- Vikings
Modern
- Arab-Israeli conflict
- American Civil War
- Apartheid
- British Empire
- Cold War
- Cultural Revolution
- French Revolution
- Great Depression
- The Holocaust
- Industrial Revolution
- Nazi Germany
- Meiji Restoration
- Russian Revolution
- Qing Dynasty
- Treaty of Versailles
- Vietnam War
- World War I
- World War II
Geography
This section is for geographical concepts and for specific places.
Continents and major regions
Countries
- Afghanistan
- Algeria
- Argentina
- Australia
- Austria
- Bangladesh
- Brazil
- Canada
- China
- Democratic Republic of the Congo
- Cuba
- Egypt
- Ethiopia
- France
- Germany
- India
- Indonesia
- Iran
- Iraq
- Israel
- Italy
- Japan
- Mexico
- Netherlands
- New Zealand
- Nigeria
- Pakistan
- Poland
- Portugal
- Russia
- Saudi Arabia
- Singapore
- South Africa
- South Korea
- Spain
- Sudan
- Switzerland
- Tanzania
- Thailand
- Turkey
- Ukraine
- United Kingdom
- United States
- Vatican City
- Venezuela
- Vietnam
Cities
- Amsterdam
- Athens
- Baghdad
- Bangkok
- Beijing
- Berlin
- Bogotá
- Brussels
- Buenos Aires
- Cairo
- Cape Town
- Damascus
- Delhi
- Dhaka
- Dubai
- Hong Kong
- Istanbul
- Jakarta
- Jerusalem
- Karachi
- Kinshasa
- Kolkata
- Lagos
- London
- Los Angeles
- Madrid
- Mecca
- Mexico City
- Moscow
- Mumbai
- Nairobi
- New York City
- Paris
- Rio de Janeiro
- Rome
- Saint Petersburg
- São Paulo
- Seoul
- Shanghai
- Sydney
- Tehran
- Tokyo
- Vienna
- Washington, D.C.
Bodies of water
- Amazon River
- Arctic Ocean
- Atlantic Ocean
- Baltic Sea
- Black Sea
- Caribbean Sea
- Caspian Sea
- Congo River
- Danube
- Ganges
- Great Barrier Reef
- Great Lakes
- Indian Ocean
- Indus River
- Lake Baikal
- Lake Tanganyika
- Lake Victoria
- Mediterranean Sea
- Mississippi River
- Niger River
- Nile
- North Sea
- Pacific Ocean
- Panama Canal
- Rhine
- Suez Canal
- Southern Ocean
- Volga River
- Yangtze River
- Yellow River
Mountains and deserts
Biography
Actors

Charlie Chaplin shows off some of his merchandise, c. 1918.
- Bernhardt, Sarah
- Chaplin, Charlie
- DiCaprio, Leonardo
- Hanks, Tom
- Streep, Meryl
- Bergman, Ingrid
- Fonda, Henry
Artists
- Dalí, Salvador
- Dürer, Albrecht
- Gogh, Vincent van
- Goya, Francisco
- Kahlo, Frida
- Leonardo da Vinci
- Matisse, Henri
- Michelangelo
- Picasso, Pablo
- Raphael
- Rembrandt
- Rubens, Peter Paul
- Warhol, Andy
Authors, playwrights and poets
- Roald Dahl
- Enid Blyton
- C. S. Lewis
- Andersen, Hans Christian
- Chaucer, Geoffrey
- Dickens, Charles
- Shakespeare, William
- Sophocles
- Twain, Mark
Composers and musicians
- Armstrong, Louis
- Bach, Johann Sebastian
- Beatles, The
- Beethoven, Ludwig van
- Brahms, Johannes
- Chopin, Frédéric
- Dvořák, Antonín
- Handel, Georg Frideric
- Mozart, Wolfgang Amadeus
- Piaf, Édith
- Presley, Elvis
- Puccini, Giacomo
- Schubert, Franz
- Stravinsky, Igor
- Tchaikovsky, Petr
- Verdi, Giuseppe
- Vivaldi, Antonio
- Wagner, Richard
- ABBA
- Celine Dion
- Michael Jackson
- Dolly Parton
- Ray Charles
- John Williams
- Louis Armstrong
- Glenn Miller
- John Lennon
- Paul McCartney
- Simon & Garfunkel
- Eric Clapton
- Keith Urban
Explorers and travelers
- Amundsen, Roald
- Armstrong, Neil
- Cartier, Jacques
- Columbus, Christopher
- Cook, James
- Cortés, Hernán
- Gagarin, Yuri
- da Gama, Vasco
- Ibn Battuta
- Magellan, Ferdinand
- Polo, Marco
Film directors and screenwriters
Inventors, scientists and mathematicians
- Archimedes
- Avicenna
- Berners-Lee, Tim
- Copernicus, Nicolaus
- Curie, Marie
- Darwin, Charles
- Edison, Thomas
- Einstein, Albert
- Euclid
- Euler, Leonhard
- Faraday, Michael
- Fermi, Enrico
- Fibonacci
- Ford, Henry
- Fourier, Joseph
- Galen
- Galileo Galilei
- Gauss, Carl Friedrich
- Gutenberg, Johannes
- Joule, James Prescott
- Kepler, Johannes
- al-Khwarizmi, Muhammad ibn Musa
- Leibniz, Gottfried Wilhelm
- Linnaeus, Carl
- Maxwell, James Clerk
- Mendeleev, Dmitri
- Newton, Sir Isaac
- Pasteur, Louis
- Planck, Max
- Rutherford, Ernest
- Schrödinger, Erwin
- Tesla, Nikola
- Turing, Alan
- Watt, James
Philosophers and social scientists
- Aristotle
- Chomsky, Noam
- Confucius
- Freud, Sigmund
- Keynes, John Maynard
- Marx, Karl
- Plato
- Rousseau, Jean-Jacques
- Sartre, Jean-Paul
- Socrates
- Voltaire
Political leaders
- Akbar
- Alexander the Great
- Ashoka
- Atatürk, Mustafa Kemal
- Augustus
- von Bismarck, Otto
- Bolívar, Simón
- Bonaparte, Napoleon
- Caesar, Julius
- Charlemagne
- Churchill, Winston
- Constantine the Great
- Cyrus the Great
- de Gaulle, Charles
- Elizabeth I of England
- Gandhi, Mohandas Karamchand
- Genghis Khan
- Guevara, Che
- Hitler, Adolf
- Joan of Arc
- King, Martin Luther, Jr.
- Lenin, Vladimir
- Lincoln, Abraham
- Louis XIV
- Luxemburg, Rosa
- Mandela, Nelson
- Mao Zedong
- Nehru, Jawaharlal
- Nkrumah, Kwame
- Peter the Great
- Qin Shi Huang
- Roosevelt, Franklin D.
- Saladin
- Stalin, Joseph
- Suleiman the Magnificent
- Sun Yat-sen
- Tamerlane
- Umar
- Washington, George
Religious figures and theologians
- Abraham
- Aquinas, Thomas
- Augustine of Hippo
- Buddha
- Al-Ghazali
- Jesus
- Luther, Martin
- Moses
- Muhammad
- Paul the Apostle
Philosophy and psychology
Philosophy
- Beauty
- Dialectic
- Ethics
- Epistemology
- Feminism
- Free will
- Knowledge
- Logic
- Mind
- Philosophy
- Probability
- Reality
- Truth
Psychology
Religion
World view and religion
Social sciences
Family and relationships
Politics
- Politics
- Anarchism
- Colonialism
- Communism
- Conservatism
- Democracy
- Dictatorship
- Diplomacy
- Fascism
- Globalization
- Government
- Ideology
- Imperialism
- Liberalism
- Marxism
- Monarchy
- Nationalism
- Republic
- Socialism
Business and economics
Law
War and military
Language and literature

All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise. Cite this article:
Main Page Facts for Kids. Kiddle Encyclopedia.