Discover some geo-engineering techniques that scientists are developing to manipulate Earth's climate. What are they and how would they work? Earth Science - Human Impacts - Learning Points. Geo-engineering strives to use technology to...

Learn how our planet's landscapes, from mountains to hills, plateaus to plains, have been sculpted over millions of years by powerful geological forces. Earth Science - Geology - Learning Points. The planet's diverse landscape is shaped...

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...

Fossil fuels are a finite energy source. How long will they last, and why is it so difficult and costly to extract these fuels from beneath the earth and oceans? Earth Science - Earth's Resources - Learning Points. Fossil fuels are...

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...

The heat at the centre of our planet could fulfil all of our energy needs. Find out how some are already utilising geothermal power. Earth Science - Earth's Resources - Learning Points. Geothermal power is obtained from heat within the...

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...

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...

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...

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...

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...

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...

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...

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...

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.

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.

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...

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...

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...

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...

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...

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...

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...

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...