Instructional Video3:29
Curated Video

Distinguishing Alligators from Crocodiles: Snout Shape and Other Visual Clues

3rd - 12th
In this video, the difference between alligators and crocodiles is explored through visual cues such as the shape of their snouts and the placement of their eyes. It is explained that alligators have a rounded, wide snout, while...
Instructional Video3:53
Curated Video

Exploring the Wonders of the Night Sky

3rd - 12th
In this video, viewers are taken on a journey through the wonders of the night sky. They learn about the vast number of stars in the universe, the concept of starlight as a time travel portal, and the fascinating colors and temperatures...
Instructional Video1:37
Curated Video

The History and Science of Boats: From Magellan to Modern Ships

3rd - 12th
This video explores the importance of boats in Magellan's expedition and the principle of buoyancy that allows them to float. It explains how even massive steel ships can remain buoyant due to the air inside them. The video also mentions...
Instructional Video1:48
Curated Video

Magellan's Journey: The First Circumnavigation of the Globe

3rd - 12th
This video discusses the famous explorer Ferdinand Magellan and his expedition to find a Western spice route. While Magellan is often credited with being the first person to circumnavigate the globe, he actually only made it halfway...
Instructional Video2:46
Curated Video

The Mystery of Zebra Stripes: Function and Behavior Revealed

3rd - 12th
This video explores the mysteries surrounding zebras and their unique striped coats. It discusses various theories about the purpose of these stripes, including camouflage, cooling systems, and fly deterrents. The video also highlights...
Instructional Video2:43
Curated Video

Meteorites: From Shooting Stars to Ancient Clues

3rd - 12th
This video explores the fascinating world of meteorites, discussing their size, frequency of occurrence, and their role in meteor showers. It also highlights the rarity of meteorites making landfall and the largest known meteorite, the...
Instructional Video3:38
Curated Video

The Age of Dinosaurs: A Journey into the Mesozoic Era

3rd - 12th
This video provides a fascinating overview of dinosaurs, their reign on Earth for 165 million years, their diverse sizes and species, and their eventual extinction due to a combination of a meteorite impact and volcanic eruptions. It...
Instructional Video1:56
Curated Video

The Science of Hot Air Balloons: How Do They Stay Airborne?

3rd - 12th
This video provides a brief history of hot air balloons, explaining how they stay airborne and the science behind them. It also highlights the use of hot air in other airborne objects like sky lanterns. Overall, it offers a concise and...
Instructional Video0:50
Curated Video

Exploring Black Holes: From Stellar to Supermassive

3rd - 12th
In this video, we explore the fascinating world of black holes. From stellar black holes that form from the collapse of massive stars to supermassive black holes that reside at the center of galaxies, we uncover the incredible range of...
Instructional Video1:25
Curated Video

The Titanic: A Tragic Encounter with an Iceberg

3rd - 12th
In this video transcript, we learn about icebergs and their significance in history, particularly the infamous iceberg that caused the sinking of the Titanic in 1912. The video highlights the luxurious features of the Titanic, the tragic...
Instructional Video1:49
Curated Video

The Inner Workings of the US Postal Service: How Mail Delivery is Mastered

3rd - 12th
This video provides a brief overview of how the United States Postal Service works, from the moment mail is dropped into a postal box to its final delivery. It explains the sorting process, the use of barcodes for efficient tracking, and...
Instructional Video3:31
Curated Video

The Evolution of Trains: From Ancient Rails to Hyperloop

3rd - 12th
This video provides a brief history of trains, from ancient carts on wooden rails to the invention of steam-powered trains and the emergence of electric commuter trains. It highlights the impact of trains on society, making...
Instructional Video3:08
Curated Video

The Power of Meditation: Ancient Practice for Modern Life

3rd - 12th
This video provides a brief introduction to the ancient practice of meditation. It explains the concept of focusing the mind on one thing, often the breath, and highlights the various ways in which different religions and cultures have...
Instructional Video2:25
Curated Video

The Speed and Struggles of the Cheetah: Earth's Fastest Land Animal

3rd - 12th
In this video, the teacher discusses the cheetah, highlighting its incredible speed and physical attributes that allow it to be the fastest animal on land. The teacher also emphasizes the challenges faced by cheetahs, including habitat...
Instructional Video3:23
Curated Video

The Ice Age: Exploring Earth's Frozen Past

3rd - 12th
In this video, the teacher discusses the concept of ice ages and explains that there have been five major ice ages in Earth's history. The current period is an interglacial period within the Quaternary Ice Age, which started 2.6 million...
Instructional Video2:54
Curated Video

The Grand Canyon: A Geological Wonder and Cultural Heritage

3rd - 12th
This video provides fascinating insights into the Grand Canyon, exploring its geological history, size, and unique features. It highlights the Canyon's significance to both humans and animals, while also debunking the myth of dinosaur...
Instructional Video1:15
Curated Video

Exploring the Microscopic World: Introduction to Microscopes and Magnification

3rd - 12th
In this video, we explore the world of microscopes and how they magnify objects down to the cellular level. We learn about compound microscopes, their lenses, and how they work to make objects appear larger. Discover how scientists use...
Instructional Video2:22
Curated Video

The Science Behind the Colors of Sunlight and Sunsets

3rd - 12th
In this video, the teacher explains how sunlight appears in different colors depending on the particles in our atmosphere. They compare our atmosphere to a prism, where white light enters but is scattered into different colors as it...
Instructional Video0:50
Curated Video

Understanding the Formation of Ice: Implications for Climate, Cloud Dynamics, and Survival in Freezing Environments

3rd - 12th
In this video, the teacher explains the essential element of ice ages - ice. They discuss how water transforms into ice at its freezing point when enough heat is removed, causing molecules to form a rigid pattern and create a solid...
Instructional Video1:40
Curated Video

The Science of Bread: Understanding the Role of Leavening Agents

3rd - 12th
This video explains the process of bread-making and highlights the importance of the leavening agent in creating a fluffy and crusty loaf of bread. It discusses two methods of raising bread, one using quick leavening agents like baking...
Instructional Video0:41
Curated Video

The History of Bread as an Eraser: Edward Nairn and the First Rubber Eraser

3rd - 12th
In this video, we learn about the surprising historical use of bread as an eraser before the discovery of rubber erasers in 1770. The trivia question challenges viewers to guess the different purposes bread served, including as an...
Instructional Video3:56
Curated Video

Exploring the Fascinating World of Grasshoppers

3rd - 12th
In this video, the teacher discusses interesting facts about grasshoppers. They explain that grasshoppers have five eyes, with two large ones on the sides of their heads and three smaller ones near their antennae. The teacher also...
Instructional Video4:13
Curated Video

The Amazon: The Lungs of the Earth

3rd - 12th
In this video, the Amazon rainforest is explored as a vital contributor to our planet's oxygen production, earning it the nickname "the lungs of the Earth." The video highlights the Amazon's diverse ecosystem, its heavy reliance on...
Instructional Video4:12
Curated Video

The Fascinating World of X-rays: From Superman's Superpower to Unlocking Mysteries of the Universe

3rd - 12th
This video explores the fascinating history and diverse applications of X-rays. From their accidental discovery in 1895 to their use in medical imaging, art restoration, archaeology, and even astronomy, X-rays have revolutionized our...