Curated Video
Killer Heat Wave
Heat waves form when an area of high pressure becomes stationary over a region. The heat wave that struck Chicago brought hot sunny tropical weather, but its effects were devastating. Earth Science - Weather - Learning Points. A heat...
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Ocean Conveyer
A super-current runs from the Arctic past South America to the Indian Ocean. This is major factor influencing our climate, controlling everything from currents to the weather. Earth Science - Human Impacts - Learning Points. The great...
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The Great Global Warming Debate: Part 2
Earth's climate has changed naturally over millions of years. Could the current cycle of warming simply be part of this natural cycle? Earth Science - Human Impacts - Learning Points. The Medieval Warm Period occurred 1000 years ago....
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Feeding the Planet
As the world's population grows, how will we cope with the increasing demand for food? What would happen in a food crisis, and what can be done to prevent one? Human Geography - A Changing World - Learning Points. As the population of...
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El Niño
The legendary El Niño effect causes dramatic shifts of weather, resulting in droughts and floods across the globe. It can all be traced to winds dying down over the Pacific ocean. Earth Science - Weather - Learning Points. El Niño is a...
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What is an Ecosystem?
Discover how climate, water, soil, plants and animals function as one and depend on each other in distinct ecosystems, which can range from a pond to an ocean, a tree to a vast forest. Biology - Ecosystems - Learning Points. An ecosystem...
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Water as a Resource
As the global population increases, the supply of water doesn't. Explore how water is used, conserved and distributed, and why devastating water shortages threaten some communities. Earth Science - Earth's Resources - Learning Points....
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Climate Models
Predicting the future of Earth's climate is a daunting task. How are complex climate models calculated, taking chaos theory into account? Earth Science - Human Impacts - Learning Points. Climate models use data to calculate the...
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Global Warming
Earth has always had changeable weather, but now the world's climate is getting warmer. What is global warming, why is it a problem and how can we stop it? Earth Science - Human Impacts - Learning Points. Most scientists agree that human...
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Tropical Rainforests
Tropical rainforests are competitive environments where plants must compete for space and resources. But other dangers threaten the balance and future of these important habitats. Biology - Ecosystems - Learning Points. Tropical...
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Could Climate Change Your Life?
Wherever you live, climate change could affect you. Discover how the predicted changes could affect peoples around the globe. Human Geography - A Changing World - Learning Points. Global atmospheric patterns are causing concern, as...
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Natural Climate Change
Ice cores taken from deep within the Earth's polar regions hold a hidden secret: the historical record of the Earth's climate. Earth Science - Human Impacts - Learning Points. Evidence of natural climate changes can be found in...
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Climate Influences
Climate varies across the world, producing distinct climate zones. Discover the many factors that create these differences. Earth Science - Weather - Learning Points. Climate varies across the world. The world can be divided into six...
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Mars: Under the Ice
Scientists have found microbes frozen deep in the Antarctic ice sheets, in conditions very similar to the red planet's surface. Could life exist on Mars, in suspended animation? Physics - Universe - Learning Points. In 2001, a frozen...
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Climate Cycles
How climatologists use ice cores, cylindrical cones of ice drilled from glaciers, to reveal Earth's historical cycles of climate change. Earth Science - Human Impacts - Learning Points. The Earth has natural, long cycles of climate. The...
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Climatology
The study of climate, long-term weather patterns and behaviour, rather than its short-term fluctuations. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Climate – True or false
True or false … Antarctica is a desert? People and places - Physical geography - Climate Learning Points Antarctica is the largest desert in the world. A Twig Tidbit Film - True or False? The children have to determine if a statement is...
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Climate – Clip
Understand the influence that Great Britain’s seas have on its climate. People and places - Physical geography - Climate Learning Points Climate refers to the average weather conditions in a region over many years. A Twig Tidbit Film -...
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Plant adaptations
What do plants and animals have in common? Life processes - Green plants - Plants and their environments Learning Points Plants need water, air and light to grow. Plants can adapt to their surroundings to survive. A Twig Curriculum Film....
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What killed the dinosaurs?
Did an asteroid or several million years worth of volcanic dust wipe out the dinosaurs? People and places -Environmental awareness and care - Environmental changes Learning Points Climate change can lead to mass extinction. A Twig...
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Weather vs. Climate
What's the difference between climate and weather? People and places -Physical geography - Climate Learning Points Climate refers to the average weather conditions in a region over many years. The main climate zones are tropical,...
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Climate change
This film explores how the world's climate has changed over time and how human activities have accelerated this natural process. People and places -Environmental awareness and care - Environmental changes Learning Points Global warming...
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Evolution - Life Connections
Find out how earwigs, elephants, poppies and flamingos are all related! Life processes - Living things in their environments - Evolution Learning Points All life descended from a simple organism. Species adapt to their environments....
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What is a biome?
Explore some of the world’s most extreme biomes and find out who lives there. People and places -Physical geography - Climate Learning Points A biome's unique climate means that only particular plants and animals can survive there. A...