Science fiction films like 'The Fly' and 'Mothra' will show you giant insects creating havoc and destroying world order with their giantness. But, is that even possible? Science says, not really. When the insect's exoskeleton expands it...

In general, to increase in size or amount. 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...

At a set temperature, the volume of an ideal gas is inversely proportional to its absolute pressure. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

Any substance that has mass and occupies a 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...

The amount of space a substance occupies. 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...

Find out out your lungs work, how you breathe and just how hard they work in your lifetime... 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...

Discover the forces at work underwater, which dictate why large boats float but small pebbles sink. Physics - Forces - Learning Points. The buoyant force is an upward-acting force determined by the weight of the displaced water. Ships...

Hot air balloons rely on heat alone to keep them in the sky. How does this work? Physics - Energy And Radioactivity - Learning Points. Hot air rises in cool air because it is less dense. The hot air within a hot air balloon creates the...

The air we breathe is made up of a mixture of gases. Discover the invisible forces of gas at work around us. Physics - Forces - Learning Points. The air we breathe is made up of gases including nitrogen, oxygen and carbon dioxide. The...

Revealing the shape which gets bigger the more you take away... in which an infinitely increasing surface area meets an infinitely decreasing volume. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...

Learn about how the kidneys function, regulate the salt levels in our bodies, filter our blood, and ultimately keep us alive. Biology - Human Body - Learning Points. The kidneys are located just below the ribs - one on each side of the...

Why and how do substances dissolve? Discover what happens when you create a solution. Chemistry - Atoms And Bonding - Learning Points. A solution is the mixture formed when a solid dissolves in a liquid. A solvent is a liquid that can...

In creating giant detachable fuel cylinders to blast Apollo 8 into outer space, NASA engineers manufactured the most powerful machine ever made. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...

Why are tiny ants considered the strongest creatures in the world? An introduction to the square-cube law and why muscle mass (length³) will always outstrip strength (length²). Maths - Number A Twig Math Film....

Over 15,000 years ago, a glacial dam broke, releasing 2,000 cubic kilometres of water across Washington State. Discover how it created the landscape we see today. Earth Science - Geology - Learning Points. Washington State's chaneled...

What is the difference between solids, liquids and gases? How does each state behave? Chemistry - Atoms And Bonding - Learning Points. The kinetic theory of matter states that particles are in constant motion and there are forces of...

How Richard Branson's team created the world's largest hot air balloon in order to undertake a daring crossing of the Pacific Ocean. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...

The structural soundness of ovoids and the added properties that make them the ideal shape to hold life in the natural world. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...

The noble gases were one of the last groups of elements to be discovered. From helium balloons to light bulbs, these gases have many uses in the world around us. Chemistry - Periodic Table - Learning Points. The noble gases are found in...

The worst avalanche in 40 years destroyed countless buildings and killed many people in this Austrian village, but it was factors 4,000 kilometres away that caused this disaster. Earth Science - Weather - Learning Points. Galtur is a...

What is it about hexagons that makes them the perfect building blocks for beehives? Discover why they are the best use of space. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math...

Sounds can vary greatly: extremely quiet or deafeningly loud, high and shrill to low and booming. Why are they so different? Physics - Waves - Learning Points. Sound is a vibration passed to and fro along particles forming a wave. It can...

We look at the effects of osmosis on the volume of potato and the appearance of red onion cells. Two cylinders of potato are measured and weighed before one is placed in salt water and the other in fresh water. We can see how osmosis...

We lower a helium-filled balloon into liquid nitrogen to see how the change in temperature affects its volume. When it hits the cool liquid nitrogen, the gas inside contracts and the volume of the balloon decreases. When it is removed...