New York State is big in both size and population. But most of its population is within the New York City metro area, leaving the vast majority of the state feeling pretty empty. So why do so many people live in New York City rather than...

Crocodiles are ancient reptiles that have roamed the Earth for millions of years. They are the largest reptiles and predators on the planet, with powerful jaws and sharp teeth. They are highly adaptable, living in both freshwater and...

This video provides information about some of the largest rodents in existence, including the capybara, beaver, groundhog, and squirrel. It highlights their physical characteristics, habitats, behaviors, and unique adaptations. Whether...

Canada, much like the United States, is split into two halves. On the east side is Canada's major population centers of Toronto and Montreal. And on the west side are the smaller, but still large cities of Winnipeg, Edmonton, Calgary and...

Canada Fun Facts. Learn all kinds of fun facts about Canada. Great for ESL teachers and students. Be sure to check out our True and False section at the end.
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Do you know what 'poutine' is? Do you know what a 'loonie' is?...

In this video, Gina the gorilla teaches children about the importance of compassion. She shares examples of how gorillas show compassion in their own lives and encourages children to be compassionate towards others who are ill or in...

Each year, flooding kills around 100 Americans and displaces some 75,000 from their homes. And as sea levels rise, storms dump more and more rain, and dams and levees continue aging and increasingly failing, the cost of flooding is...

Saturn's moon, Titan, is the only other body in the solar system that can support liquid on its surface. But not liquid water, liquid methane. What did NASA's Cassini discover about the methane lakes of Saturn's moon, Titan?

Yes, water expands when it freezes. Note that the word expands here indicates an increase in volume. So, a technically sound way to put it would bewaters volume increases when it freezes. This statement is accurate, and you can test its...

Fish either reach new lakes and ponds through external help, or the creatures stay there, survive the period of drought, and then thrive again when water is plentiful. Some species of aquatic organisms lay eggs capable of surviving long...

The vaporisation of a liquid that takes place at its surface, as molecules with more energy change from a liquid to gas.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using...

All water on planet Earth is constantly cycled from the atmosphere, into reservoirs, and through plants and animals. The Earth's water has completed this cycle around 8 million times. Earth Science - Weather - Learning Points. Water on...

Meanders and oxbow lakes are found in the middle course of a river. Discover how a meander forms and how this process can lead to an oxbow lake. Earth Science - Geology - Learning Points. At its middle course, a river gathers water...

Salt is found in the oceans and Earth's surface. How do we collect this salt and separate it from the materials it is mixed with? Chemistry - Atoms And Bonding - Learning Points. Salt is found in oceans, lakes and underground rock beds....

Life on Earth could not exist without water. However, human activities can cause water pollution. How can we prevent this?
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People and places -Human impact on the environment - Pollu
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ing our water />...

Discover the diverse biomes of North America, from its vast forests to arid deserts and icy tundras, and learn about its famous natural landmarks. Explore South America's unique ecosystems, including the Amazon rainforest, the mighty...

Discover how marshes, estuaries, and straits connect different bodies of water and maintain balance in their ecosystems. Learn about the vital roles of marshes and estuaries in filtering water and supporting life, and see how straits...

Discover the differences between lakes, ponds, and springs, and learn how each forms. Explore how lakes often have deeper waters while ponds are shallower, and see how springs bring groundwater back to the surface, creating fresh...

This video explores the types of communities found near bodies of water such as oceans, rivers, lakes, and estuaries. Learn how these water sources shape the jobs, recreation, and daily life of people living in coastal, river, and lake...

Delve into the concept of water scarcity, exploring both its physical and economic dimensions, its global impacts, and the daily struggles faced by communities affected by water shortages. Discover how factors like climate change,...

Explore the hydrosphere, encompassing all forms of water on Earth, from oceans and seas to freshwater lakes, rivers, and glaciers. Learn about the distribution of water across the planet and its vital role in sustaining...

Delve into the vast realms of Earth's water, from the expansive oceans to the hidden underground reservoirs. Learn about the distribution of water across the planet and its significance for sustaining life. Explore the different forms...

Explore the innovative engineering of ancient Rome, from the revolutionary use of arches in bridge construction to the sophisticated aqueduct system that supplied water to cities. Discover how Roman roads, built over 2,000 years ago,...

This video provides an overview of the North Pole and the surrounding Arctic region, highlighting the characteristics of the ice pack and the impact of climate change. It discusses the thickness and movement of the ice and the increasing...