The explosion of a massive star at the end of its life. 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...

Also called rocky planets, the planets in our solar system composed mostly of silicate rocks, and the innermost of the eight planets in our Solar System. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...

Find out how many moons there are in our Solar System, and what makes some of them special. Physics - Our Solar System - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab...

A small icy body in the Solar System, with a solid nucleus of rock, dust, ice, and frozen gases such as carbon dioxide, carbon monoxide, and ammonia. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...

The nearest star to Earth, and the centre of our Solar 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...

Short-lived dark spots on the surface of the Sun. 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...

The planet we live on is the third of the four rocky planets in our Solar System. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

How did previous generations of scientists think of the Universe, and how has that understanding changed over time? Physics - Universe - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic,...

Where does Jupiter fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Jupiter is the 5th planet from the Sun. Seventy-nine moons orbit Jupiter. Jupiter's core is hotter than the...

Plutonium is an element with so much energy it has powered space probes beyond our Solar System. Chemistry - Periodic Table - Learning Points. Plutonium is a radioactive metal. Plutonium was named after the planet Pluto. Plutonium is...

Where does Uranus fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Uranus is the 7th planet from the Sun. Each of Uranus's 27 moons is named after a Shakespearean character....

When we look at distant stars, we are looking back in time. What is a light year, how is it measured and why do we measure distance in terms of time? Physics - Universe - Learning Points. Light travels through space at 300 million metres...

How tall are the tallest mountains on Earth and in our Universe? Earth Science - Geology - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of a...

A self-sufficient celestial body that is in orbit around a star. 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...

A small to medium sized star late in its life, when it has used up its hydrogen in nuclear fusion and starts burning heavier elements. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...

A small, extremely dense star characterised by high temperature and luminosity, no longer capable of nuclear fusion. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Our Sun and the collection of bodies that are bound to it by gravity. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

A general name for a natural satellite of a planet, but also the specific name for Earth's only natural satellite. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

In spaceflight, the time period within which a rocket must be launched in order to achieve the desired orbit or destination. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...

How a small error in accuracy in the 19th century led to the prediction the Universe would one day fall apart – and the development of chaos theory. How small changes in dynamic systems can lead to much greater, unpredictable events....

What is a satellite, why are they important, and how have satellites changed our understanding of the Solar System? Physics - Universe - Learning Points. Any object orbiting a planet is called a satellite. Moons are examples of natural...

Scientists suppose there could be other life-bearing planets like Earth. To find them, they are looking for 'wobbling' stars. Physics - Universe - Learning Points. When a planet orbits a star, it has just enough gravitational force to...

Where does Venus fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Venus is Earth's closest neighbour. Venus is the hottest planet in our Solar System. Venus spins in the opposite...

The Moon holds Earth in place and dictates our seasons. What happens to planets without a moon like ours? Physics - Our Solar System - Learning Points. The Moon formed after Earth collided with its twin, Theia. In proportion to the size...