Curated Video
Energy Transformation
Discover how energy from the Sun is converted into different forms, and what happens to energy that is 'lost' from a system. Physics - Energy And Radioactivity - Learning Points. The Sun provides almost all the energy on Earth. Energy...
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The Goldilocks Zone
A delicate balancing act between the Sun and Earth makes ours the only known life-bearing planet in our Solar System. Physics - Our Solar System - Learning Points. Earth is the only planet with liquid water. If a planet is too close to...
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Delocalised electrons
In a metal, each metal atom readily gives up its outer shell electrons, resulting in a sea of free electrons flowing throughout a lattice of positively charged metal ions. A Twig Science Glossary Film. Key scientific terms defined in...
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Density - Mass per Volume
Mass per unit of volume. 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...
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Weather
The state of the atmosphere at a specific time and place, including factors such as temperature and pressure, wind speed, and precipitation. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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Combustion
Or burning, a chemical reaction that requires an initial source of heat, a fuel, and an oxidising agent such as oxygen, and releases energy as heat, and often light. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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Irritant
A substance that produces inflammation or pain on contact with skin, eyes, the respiratory system or other membranes such as stomach linings. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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Reflection – What happens next?
Light is focused on to an object ... what happens next? Physical processes -Light - Reflection Learning Points Focusing light using mirrors generates a lot of heat. A Twig Tidbit Film - What happens next? A short section of film is...
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Expansion and conduction – Big reveal
What is it? ... It's a radiator! Material processes - Changing materials - Expansion and conduction A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
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Heat transfer – Big reveal
What is it? ... It's a red-hot poker! Physical processes - Energy and energy transfer - Heat transfer A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
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Heat and temperature – Big reveal
What is it? ... It's rice steaming! Physical processes - Energy and energy transfer - Heat and temperature A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the...
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The Sun - Sun’s Features
Exploring the surface of the Sun. Our universe - Space adventure - The Sun and Moon Learning Points The Sun provides the Earth with energy in the form of light and heat. It is vital to all life on Earth. A Twig Junior Film - Core science...
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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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Heat and temperature – Odd one out
Four processes that involve objects changing shape are shown, but which is the odd one out? Physical processes - Energy and energy transfer - Heat and temperature A Twig Tidbit Film - Odd one out. The children have to work out which of...
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Heat and temperature – Did you know?
Did you know that heat and temperature are different things? Physical processes - Energy and energy transfer - Heat and temperature Learning Points Temperature and heat are different things. A Twig Tidbit Film - Did you know? A...
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Energy sources – True or false
True or false ... Geothermal energy is energy found inside the Earth? People and places - Future of energy - Energy sources Learning Points Geothermal energy comes from inside the Earth. A Twig Tidbit Film - True or False? The children...
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More chemical reactions – Clip
Exothermic reactions release heat energy. Discover how some reactions release heat slowly and some quickly. Material processes - Changing materials - More chemical reactions Learning Points An exothermic reaction releases heat energy. A...
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Heat and temperature – True or false
True or false ... Heat is measured in degrees Celsius? Physical processes -Energy and energy transfer - Heat and temperature Learning Points Heat is a form of energy and is measured in joules. A Twig Tidbit Film - True or False? The...
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Heat transfer – What happens next?
A Bunsen burner heats up the end of a metal rod ... what happens next? Physical processes -Energy and energy transfer - Heat transfer A Twig Tidbit Film - What happens next? A short section of film is played and the children have to...
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Friction – True or false
True or false ... Friction generates heat? Physical processes -Force and motion - Friction Learning Points Friction generates heat energy. A Twig Tidbit Film - True or False? The children have to determine if a statement is true or false.
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Changing properties
What chemical and physical changes are at play in cake baking. Material processes - Changing materials - More chemical reactions Learning Points Chemical changes are usually irreversible. Physical changes are usually reversible. Chemical...
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Burning – Odd one out
Four images associated with burning are shown onscreen, but which is the odd one out and is not needed to start a fire? Material processes - Changing materials - Burning Learning Points An exothermic reaction releases heat energy. A Twig...
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What is a mixture?
Find out what makes a mixture, and what happens when materials react chemically. Material processes - Separating mixtures - What is a mixture? Learning Points A mixture is formed when different materials are combined without chemical...
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Iguanas
Journey to the Galapagos to see how cold-blooded iguanas keep themselves warm. Physical processes -Energy and energy transfer - Heat transfer Learning Points The Sun's heat energy travels to Earth as infrared radiation. Convection:...