Short videos for the classroom, sorted by topic
This page is for teachers, school librarians and homeschool families. Each video runs about a minute, covers one subject and has a sense of humour. Videos are grouped by classroom topic below. Link to a video page or to this page, and use the source shown on every video page for further reading. Everything is free to watch and needs no account.
General audience. We have not rated the videos by age, so please preview a video before you show it to a class.
Volcanoes and earth science
Volcanoes, mountains, caves and ice: how the ground under our feet was built and keeps changing. Good for plate tectonics, rocks and landforms.
71 videos on this topic
1:08Vardzia Cave Monastery
Vardzia is a cave monastery carved from Erusheti Mountain, stretching 500 meters with 19 tiers and 242 rooms…
0:58The Glacier That Dams a Lake
Perito Moreno Glacier covers 250 km² and dams Argentino Lake by pushing into it, releasing up to 8,000 cubic…
1:00The Blue Fire of Ijen
Ijen's crater lake is highly acidic with pH 0.13. At night, ignited sulfuric gas creates blue flames up to 5…
1:21The Hidden Hills of Ice
Pingos are conical ice-cored hills found only in Arctic and subarctic permafrost areas. Some grow about 2 cm…
1:17The Geometry of Falling Ice
Snowflakes form around tiny particles called nuclei and grow into 80 distinct shapes, including needle…
1:04Adam's Peak (Sri Pada) Explained
Adam's Peak Sri Pada is a sacred mountain in Sri Lanka with a 1.8-metre hollow rock near the summit…
Animal myths and misconceptions
The Not So Fast series checks popular claims, such as whether bats are blind, against a source. A starting point for lessons on evidence and critical thinking.
23 videos on this topic
0:24Is the Bermuda Triangle dangerous? NOAA says no
0:21Do black holes suck things in? No, and here's why
Black holes do not suck like vacuum cleaners. If the Sun were replaced by a black hole, planets would…
0:27Do we use only 10% of our brain? Myth, debunked
0:22Is Antarctica a desert? Yes, here's why
0:23Does lightning strike the same place twice? Yes
0:39Do bulls hate red? What a bull actually sees
Bulls are red-green color blind, so red doesn't anger them. They charge because of the movement of the cape…
Animals and life science
Birds, sea creatures, apes, reptiles and insects, each with a surprising fact. Good for habitats, adaptation and classification.
95 videos on this topic
0:48Why are flamingos pink? They hatch grey
Flamingo chicks hatch with greyish feathers. Their pink color comes from carotenoid pigments in their food…
1:04The Satin Bowerbird's Blue Obsession
Male satin bowerbirds build stick bowers decorated mainly with blue objects to attract females. Rival males…
1:29Bombardier Beetle Defense Mechanism
The Bombardier beetle mixes hydroquinone and hydrogen peroxide in glands, creating a hot, irritating spray…
0:48Do ostriches bury their heads in sand? The truth
Ostriches do not bury their heads in sand to avoid danger. They run, lie flat with neck on the ground, or…
1:11Bird Migration Explained
Bird migration is a seasonal movement twice a year. Birds navigate using the Sun, stars, magnetic field, and…
1:06The See-Through Frog
Glass frogs have translucent skin that shows their heart, liver, and gut, with translucent legs that soften…
Ancient cities and civilisations
Lost cities, early writing and ancient records from around the world. Good for history units on early societies.
47 videos on this topic
1:17The Cyrus Cylinder: Ancient Clay Record
The Cyrus Cylinder is a 22.5 by 10 cm clay artifact from Babylon, describing Cyrus' peaceful conquest…
1:06Codex Gigas weighs 74.8 kilograms
Codex Gigas weighs 74.8 kilograms and is the largest medieval illuminated manuscript, measuring 92 cm long…
1:11Ur: Ancient City of the Moon God
Ur was a major Sumerian city near the Euphrates, with a ziggurat shrine to moon god Nanna and royal tombs…
1:25Axum: Ancient Ethiopian Capital
Axum is known for its giant ancient stone obelisks, including the 24-metre tall Obelisk of Axum, which is…
0:57Jericho, Oldest Fortified City
Jericho, in the West Bank, is the oldest fortified city with a 3.6-meter-high stone wall built over 11,000…
1:20Secrets of the Dead Sea Scrolls
The Dead Sea Scrolls, ancient Jewish manuscripts from 3rd century BCE to 1st century CE, were found in 11…
UNESCO World Heritage sites
Places that UNESCO lists as important to all of humanity, from temples to natural wonders. Good for geography, history and citizenship.
90 videos on this topic
1:11Georgia's Buried Wine Vessels
A kvevri is a large Georgian earthenware vessel buried underground for fermenting and aging wine, crafted…
1:19Tassili n'Ajjer's Painted Plateau
Tassili n'Ajjer has 15,000 prehistoric engravings on its sandstone plateau in Algeria's Sahara desert…
1:01Naqsh-e Jahan Square in Isfahan
Naqsh-e Jahan Square in Isfahan is surrounded by Safavid era buildings including Shah Mosque, Ali Qapu…
0:56Colonia del Sacramento Highlights
Colonia del Sacramento, founded by Portuguese in 1680, features stone houses, fortified towers, and a mix of…
0:58Luang Prabang: Laos’s Royal City
Luang Prabang means Royal Buddha Image, named after the Phra Bang statue given to Fa Ngum for Buddhist…
1:08Teotihuacan: Ancient City of Pyramids
Teotihuacan covered 21 square kilometers at its peak and was once the largest city in the Americas, with…
Geography: rivers, deserts and islands
Lakes, rivers, deserts and islands in many countries. Good for physical geography and for finding places on a map.
72 videos on this topic
1:19Tassili n'Ajjer's Painted Plateau
Tassili n'Ajjer has 15,000 prehistoric engravings on its sandstone plateau in Algeria's Sahara desert…
1:11Lake Kivu and Its Deep Gases
Lake Kivu's volcanic hot springs produce methane and carbon dioxide gases. These gases have caused massive…
0:53Camel humps: not a water tank
1:08Spain's Toxic Red River
The Río Tinto in Spain is red due to dissolved iron and is highly acidic with a pH of 2, caused by bacteria…
1:21Galápagos Islands Wonders
The Galápagos Islands have 127 islands, islets, and rocks. Isabela Island is the largest with six volcanoes…
1:10Easter Island and Its Moai
Moai statues on Easter Island mostly face inland to watch over the island’s villages. They honor ancestors…
Space and weather
Planets, stars and the sky, plus weather and sky phenomena. Good for astronomy and the water cycle.
45 videos on this topic
0:21Do black holes suck things in? No, and here's why
Black holes do not suck like vacuum cleaners. If the Sun were replaced by a black hole, planets would…
0:23Does lightning strike the same place twice? Yes
1:07Moldavite: Meteorite Glass Gemstone
Moldavite is green glass formed by a meteorite impact that melted earth material and launched it into the…
1:12Hoba Meteorite Facts
The Hoba meteorite is the largest intact meteorite, measuring 2.7 by 2.7 by 0.9 meters and weighing over 60…
1:22Tornado Wonders
A tornado is a rotating column of air with winds over 480 km/h. Most tornadoes are about 80 meters wide and…
1:09Meteor Crater: Arizona's Impact Hole
Meteor Crater in Arizona formed 50,000 years ago when a 50-meter nickel-iron meteorite hit Earth at 29,000…
Technology and engineering
Inventions, bridges, tunnels and dams, and how they were built. Good for design, forces and the history of technology.
116 videos on this topic
1:12Watermill Power and History
Watermills use vertical or horizontal waterwheels to power machinery for making flour, lumber, paper…
0:58The Hanging Railway of Wuppertal
The Wuppertal Schwebebahn runs 13.3 km in about 30 minutes. Each car holds 42 seated and 130 standing…
0:55Hoover Dam in Black Canyon
Hoover Dam is a concrete arch-gravity dam on the Nevada-Arizona boundary in Black Canyon, built from 1931 to…
1:10Burj Khalifa: how tall is it, and what's it made of?
The Burj Khalifa in Dubai stands 829.8 metres tall and has 163 floors, the most of any building. It opened…
1:17Pendulum Clock Timekeeper
Invented by Christiaan Huygens in 1656, pendulum clocks improved accuracy from 15 minutes to about 15…
1:06Crossbow: Ancient to Modern
A crossbow shoots bolts using a horizontal bow called a prod mounted on a stock, holding the drawn string…
Food, music and culture
Where famous foods come from, plus music, festivals, crafts and traditions. Good for cultural studies and world languages classes.
145 videos on this topic
1:11Georgia's Buried Wine Vessels
A kvevri is a large Georgian earthenware vessel buried underground for fermenting and aging wine, crafted…
1:07Nachos: the 1943 snack invented because the cook went missing
Nachos were invented in 1943 by Ignacio Anaya in Piedras Negras when the cook was missing and he improvised…
1:18Hot Sauce Facts and Flavors
Hot sauce heat is measured on the Scoville scale by how much water dilutes capsaicin. Common peppers include…
1:21Espresso: Italy's concentrated coffee
Espresso is made by forcing hot water at high pressure through finely ground coffee, producing a 25-30 ml…
1:01Global Dumpling Delights
Chinese jiaozi are dumplings shaped like human ears. They were invented between 150 and 219 CE in China and…
1:04Manga: Japan’s Comic Art
The manga market in Japan reached 704.3 billion yen in 2024, with digital manga sales accounting for about…
How we check our videos
Each script is written from a named source, such as Wikipedia or UNESCO, and new videos are reviewed before they are published. Videos link to their source, so you and your students can read it. The tone is light, but the facts stay with the source.
Using these in class
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- Each video page shows the source the script was written from.
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