Curated Video
Scablands: Carved By Water
Over 15,000 years ago, a glacial dam broke, releasing 2,000 cubic kilometres of water across Washington State. Discover how it created the landscape we see today. Earth Science - Geology - Learning Points. Washington State's chaneled...
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Life in the Freezer
From polar bears to emperor penguins, how animals and plants survive in some of the harshest habitats on Earth - the polar regions. Biology - Adaptation And Evolution - Learning Points. A host of different animals survive in the coldest...
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Coriolis Effect
What is the Coriolis effect? How is it produced and how does it affect our weather? Earth Science - Weather - Learning Points. The way wind blows determines thunderstorms to hurricanes. The Coriolis Effect is a deflection of moving mass...
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Hurricanes
Hurricanes are renowned for their destructive power and the devastation they leave behind. But how do they form and where? Earth Science - Weather - Learning Points. Hurricanes are tropical storms with constant wind speeds. Hurricanes...
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Tundra
Find out what animals and plants do to survive in Earth's coldest biome. Biology - Ecosystems - Learning Points. The tundra is Earth's coldest biome. The Arctic tundra is found near the North Pole. The alpine tundra is found around the...
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Sexual Reproduction in Plants
Discover the parts of plants necessary for reproduction, and the methods by which pollen is carried between flowers. Biology - Plants - Learning Points. Plants reproduce in various ways. Sexual reproduction occurs using male and female...
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Monsoon Zone
Around the world monsoons bring huge volumes of seasonal rain to certain regions. The best known is the Asian monsoon, but why does it happen? Earth Science - Weather - Learning Points. Monsoons are heavy rainfalls concentrated over the...
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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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Types of Weather: Wind
What is wind and what are localised winds? Find out about the global cycles which take winds right across the world. Earth Science - Weather - Learning Points. Wind begins with the difference in air pressure. Air moves from areas of high...
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Weathering: The Erosion of Rock by Natural Forces
The physical, biological or chemical factors that erode rock, from sand to ice, rain to plants, and even footsteps. Earth Science - Geology - Learning Points. "Weathering" refers to the breakdown of rocks into smaller pieces. Physical...
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The Wind Power Debate
Despite being a clean, renewable source of energy, wind farms attract dissent. Discover the downside to the construction of wind farms and why some people are upset about their use. Earth Science - Earth's Resources - Learning Points....
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Sediment
Naturally occurring debris, often the product of weathering of rocks, carried by wind or water and deposited in a new location. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Erosion
The wearing away of rock and the removal of weathered rock, soil, and other solid materials away from source. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Wind Turbines - Power Generation
Wind turbines generate electricity. The world around us - Inventions - Electricity Learning Points Wind turbines generate electricity. Electricity can come from many different sources, including wind turbines. A Twig Junior Film - Core...
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Seed dispersal
Find out how the amazing Brunsvigia plant uses the wind to spread its seeds. Living things - Amazing plants - Plant life cycle Learning Points Plants grow from seed, to seedling, to full-grown plants that can make seeds. Plants spread...
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Exploring forces
There are two kinds of force – pushing and pulling forces. The world around us - Investigating forces - What makes things move? Learning Points Forces can make things move, speed up and/or change direction. There are two kinds of force:...
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Other means of separation – True or false
True or false ... Wind can be used as a means of separation? Material processes - Separating mixtures - Other means of separation Learning Points Wind can be used to separate heavy grains and light husks of wheat. A Twig Tidbit Film -...
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The energy debate – Spot the...
Six objects are shown on screen ... can you spot which are sources of energy? People and places - Future of energy - The energy debate Learning Points Coal, wind, geysers, Sun, waves and sugar cane are all energy sources. A Twig Tidbit...
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Wind Turbines - Wind Energy
Find out how wind turbines transform kinetic energy into electricity. People and places - Future of energy - The energy debate Learning Points Wind power is a renewable energy source. A Twig Context Film. Reinforce and extend the...
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Pollination - Pollen Movement
Learn how pollination happens. Life processes - Green plants - Reproduction in flowering plants Learning Points Pollinators are insects that transfer pollen. Self-pollination is the transfer of pollen between flowers on the same plant....
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What is weather?
Check out the various forms of weather, what causes it, and how it affects our lives. People and places -Physical geography - Weather Learning Points The weather is the current state of the atmosphere in a particular location on Earth....
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Fertilisation - Plant Reproduction
Find out what happens during plant fertilisation. Life processes - Green plants - Fertilisation and dispersal Learning Points Pollination occurs when pollen travels down a tube to the ovary of a plant. Fertilisation occurs when the male...
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The energy debate
Which is better ... renewable or non-renewable energy? People and places -Future of energy - The energy debate Learning Points Non-renewable energy will run out; renewable energy will not. Burning fossil fuels releases harmful emissions....
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The Arctic tundra environment
Find out how Arctic foxes survive in the cold tundra environment. Life processes - Living things in their environments - Role of the environment Learning Points The environment is the conditions of the area in which an organism lives....