Curated Video
What is DNA?
How does our DNA make us unique, and how is this unique genetic information passed on when cells divide? Biology - Cells And DNA - Learning Points. Deoxyribonucleic Acid (DNA) molecules are found in chromosomes within all our cells. DNA...
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The Dark Side of Oxygen
We depend on oxygen for life. But in fact, oxygen is corrosive: ageing us, damaging cell DNA, and 'rusting' us from the inside. Biology - Human Body - Learning Points. Oxygen is vital in powering every cell and process in the human body....
Curated Video
Inheritance: Part 2
If you inherit two copies of every gene, one from each parent, how do your cells know which version to use? Biology - Cells And DNA - Learning Points. Alleles, alternative forms of genes, can be dominant or recessive. Dominant alleles...
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The Cell Membrane
Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...
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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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Stem Cells: Versatile Cells with the Potential to Specialize
Unspecialised cells that can divide repeatedly and develop into different types of specialised cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Ribosomes
The structures inside cells that synthesize proteins. 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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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...
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Lymphocyte
A type of white blood cell vital to the immune system. 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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Aorta
The biggest artery in the body. 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...
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What is a scab?
Scabs help your skin to heal when you cut yourself. Living things - My incredible body - My skin Learning Points Scabs help your skin to heal. A Twig Junior Film - Core science concepts explained in an easy way for the youngest students.
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The future of energy – Did you know?
Did you know that solar power can be used to fly a plane? People and places - Future of energy - The future of energy Learning Points Solar power from photovoltaic panels can be used to fly planes. A Twig Tidbit Film - Did you know? A...
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Excretion – True or false
True or false ... The human body sheds thousands of skin cells every day? Life processes - Living processes - Excretion Learning Points Dead cells and sweat are excreted from the skin. A Twig Tidbit Film - True or False? The children...
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Cells – True or false
True or false ... All cells have a nucleus? Life processes - Living processes - Cells Learning Points Red blood cells do not have a nucleus. A Twig Tidbit Film - True or False? The children have to determine if a statement is true or false.
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Cells – Odd one out
Four parts of organs are shown, but which is the odd one out? Life processes - Living processes - Cells A Twig Tidbit Film - Odd one out. The children have to work out which of four images is the odd one out.
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You are one big chemical reaction
Did you know you are one big walking talking chemical reaction? Material processes - Changing materials - Chemical reactions Learning Points Chemical reactions happen inside the human body. Respiration is a chemical reaction that...
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Blood donation
Explore the substances that make up blood and why it is classed as a mixture. Material processes - Separating mixtures - What is a mixture? Learning Points Mixtures do not react chemically and can usually be separated. Blood is a mixture...
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The Heart - Circulatory System
Explanation of the circulatory system. Life processes - Body systems - The circulatory system Learning Points The heart is a strong muscle that pumps blood throughout the body. Arteries and veins carry blood around the body. A Twig...
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Solar Power - Renewable Energy
Learn about the up and coming form of energy – solar power! People and places - Future of energy - Renewable and non-renewable energy sources Learning Points Solar power is a renewable energy source. A Twig Context Film. Reinforce and...
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The common cold
Everybody catches a cold at some point in life ... but how do they get infected? Life processes - Humans and other animals - Reducing the spread of disease Learning Points Colds are caused by viruses that spread from person to person....
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Body systems
Find out how our body systems are interrelated. Life processes - Body systems - The brain and body Learning Points Respiration is the processing of oxygen in cells to produce energy and carbon dioxide. A Twig Curriculum Film. Delivering...
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The human cell
Go back to the beginning of your life and find out how you were created. Life processes - Living processes - Cells Learning Points Human cells consist of a membrane, cytoplasm and a nucleus. A zygote is a single cell formed by the fusion...
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Giant redwoods
The tallest trees on Earth have an amazing system to circulate water and nutrients. Life processes - Green plants - Parts of a plant Learning Points Leaves absorb sunlight. Root hairs absorb water and nutrients. Trunk transport water and...
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What is a microorganism?
Microorganisms live everywhere on Earth, but what are they and how do they affect humans? Life processes - Humans and other animals - Microorganisms Learning Points Microorganisms are so small they can only be seen with a microscope....