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Understanding Nutrition: A Complete Guide to a Healthy Diet
The video discusses the importance of nutrition and a balanced diet for a healthy and fit lifestyle. It explains the different types of nutrients and their food sources, as well as the consequences of undernutrition and overnutrition....
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Absorption
In digestion, absorption is the movement of nutrients and other food chemicals from the gut into the bloodstream, which takes place in the small intestine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
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Agar
An extract of certain species of red seaweed that's used as a gelling agent in microbiology and food preparation. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Eutrophication
An overabundance of nutrients in a body of water, causing excessive plant growth. 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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Leaching
In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Topsoil
The uppermost 5 to 20cm of soil, with a high concentration of organic matter and microorganisms, where almost all of the biological activity in soil takes place. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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Factpack: Teeth
Discover some intriguing facts about your teeth. What are they made of and what's inside them? Biology - Human Body - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab...
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Factpack: The Liver
The liver is the largest gland in the body. What is it, what does it do and just how can it regenerate? Biology - Human Body - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
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Active transport
The use of energy to move particles across a cell membrane from a lower concentration to a higher concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Nephrons
Microscopic structures in the kidney that filter blood and produce urine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Fungi
Discover the magical world of fungi. Neither plant nor animal, they are a separate classification of living organism. Biology - Ecosystems - Learning Points. Fungi are neither plant nor animal. Most fungi are made up of networks of...
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Parasitic Plants
Different species of parasitic plants steal nutrients from host species in order to survive. Sometimes this ends in the death of the host. Biology - Plants - Learning Points. Parasitic plants derive some or all of their nutrients from...
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Deforestation
Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....
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Lichen: Indicator Species
Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution, and reflect the health of ecosystems. Biology - Ecosystems - Learning Points. Lichens are organisms that can...
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Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
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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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Pollution: Water
How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....
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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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Asellus Blood Flow
We use a microscope to examine the blood flow in the open circulatory system of asellus aquaticus. We are able to see the haemolymph moving through its limbs in different directions. Biology - Human Body - Learning Points. Large...
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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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Transpiration
The loss of water vapour from plants to the atmosphere. 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...
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Phloem
The tube-like tissue in plants that carries nutrients, including sugar and proteins, from cells in which they are made to where they are needed elsewhere in the plant. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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Food chains – Did you know?
Did you know that dung beetles decompose waste products, making them an important part of the food chain? Life processes - Living things in their environments - Food chains Learning Points Decomposers break down organic material and...
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Mountains – True or false
True or false … Mountain soil is always thin and infertile? People and places - Physical geography - Mountains A Twig Tidbit Film - True or False? The children have to determine if a statement is true or false.