Curated Video
Metamorphism
The transformation of rocks beneath the Earth's surface through heat and pressure, and the presence of dissolved minerals in hot groundwater. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
Osteocyte
A type of bone cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key curriculum vocabulary.
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Potash
The traditional name for water-soluble salts and minerals that contain potassium. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Mineral (chemistry)
A naturally occurring element or compound that has a crystalline form and has been produced by geological processes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Ore
A type of rock containing minerals from which a useful substance can be extracted. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Carbonate
A salt or other compound containing a carbonate ion CO32-. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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What Plants Need to Grow
Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...
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Rock Cycles
Rocks are constantly on the move. Eroded by water, sinking into the sea, and ejected by volcanoes, rocks have their very own cycle of existence. Earth Science - Geology - Learning Points. The rock cycle is the process of rocks weathering...
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Root Hairs
Find out how remarkable adaptations allow the spinifex plant to thrive in the desert. Biology - Plants - Learning Points. Root hairs are specially adapted to suit their role. Root hairs increase the surface area of the roots for...
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Malnutrition
Malnutrition is the biggest risk to health worldwide. It has become a common problem in the developing world. What is it and how does it develop? Biology - Healthy Living - Malnutrition is a chronic lack of nutrients. Malnutrition is the...
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Balanced Diet - Nutrition Essentials
Discover which foods are vital for a healthy diet. What should you be eating, how much, and why? Biology - Healthy Living - Learning Points. You need a balanced diet to be healthy. A balanced diet is varied and contains different amounts...
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What is a Calorie?
Everything we eat contains calories. We need them to function and carry out everyday tasks. How do we know which foods are right to eat and which contain 'empty calories'? Chemistry - Chemical Industries - Learning Points. Calories are...
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Life Cycle Nutrition
From newborn babies to the elderly, changes to our diet at are vital as our age progresses. Find out how different nutrients help our bodies function at different stages in life. Biology - Healthy Living - Our nutritional needs change as...
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Xylem
The system of tubes inside plants that transport water and dissolved minerals from the roots up to the leaves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Great Big Story
Behind the scenes at the Smithsonian Natural History Museum
Discover the hidden treasures of the Smithsonian Museum, where experts manage 144 million objects, aiding research on biodiversity, climate change, and more.
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Minerals – True or false
True or false ... Minerals are produced by plants? Material processes - Classifying materials - Minerals Learning Points A mineral is a natural material that has not come from plants or animals. A Twig Tidbit Film - True or False? The...
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Minerals – Did you know?
Did you know that there are caves that are made entirely of salt? These were formed 6 million years ago. Material processes - Classifying materials - Minerals A Twig Tidbit Film - Did you know? A fascinating fact is revealed.
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What is a Balanced Diet?
Discover the key to a balanced diet. Life processes - Humans and other animals - Diet and exercise Learning Points A balanced diet contains all the nutrients the body needs. The body also needs protein, vitamins, carbohydrates, fats and...
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Minerals
Discover the world of minerals and learn about their uses. Material processes - Classifying materials - Minerals Learning Points Minerals are naturally occurring substances with a unique chemical make-up. Minerals have many uses. The...
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In the shadow of a volcano
Learn about the surprising benefits a volcanic eruption can bring to an environment. Life processes - Living things in their environments - Role of the environment Learning Points Natural disasters and changing weather can affect...
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Obesity - Health Risk
Obesity is a condition that can affect animals and humans. Life processes - Humans and other animals - Diet and exercise Learning Points Obesity can damage your health. Excess weight can damage vital organs such as the lungs and heart....
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Minerals – Spot the...
Six objects are shown on screen ... can you spot the minerals? Material processes - Classifying materials - Minerals Learning Points A range of minerals can be found on Earth. A Twig Tidbit Film - Spot the Difference. The children have...
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Separation by evaporation
Learn how to find out the difference between tap water and spring water. Material processes - Separating mixtures - Separation by evaporation Learning Points Evaporation can be used to separate a solution. A solution is formed when a...
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Fossils - Preserved Life Remnants
See the fossilised footprints of the first bird and discover how remains of organisms have been preserved for 150 million years. Material processes - Classifying materials - Rocks Learning Points Fossils form when the remains or marks...