Curated Video
What Makes These Dunes Sing?
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
Astrum
Surprising Discovery in Mars' Jezero Crater
NASA's Perseverance Rover's trip through Séítah, investigating Isolle, Brac and Roubion.
Astrum
Final Images from NASA's Spirit Rover on Mars
My battery is low and it's getting dark. NASA's Opportunity has come to the end of a 15 year mission on Mars. But what did it do? This episode focuses on its trip across the Meridiani Plains!
Astrum
The Strangest Object Discovered on Mars
NASA's Opportunity had just made the most important discovery of its mission, the rock vein known as Esperance. But what happened next?
Curated Video
DIY Water Filter
Follow along as Dr. Boyd describes how to make your very own DIY Water Filter, and learn about groundwater in the process.
**NOTE: DO NOT DRINK THE WATER THAT YOU PURIFIED USING THIS SYSTEM**
0:00 – Introduction
0:27 – What you need...
Great Big Story
Skiing on sand, Emma Dahlström and Jasper Tjäder conquer Cerro Blanco
Join professional freeskier Emma Dahlström and Jasper Tjäder as they ski down the world's biggest sand dune, Cerro Blanco, in Peru for a unique adventure.
Great Big Story
Skiing the sands of time, Emma Dahlström and Jesper Tjäder's Peruvian adventure
Join professional free-skiers Emma Dahlström and Jesper Tjäder as they conquer Cerro Blanco, the world's tallest sand dune, in an exhilarating skiing expedition.
Science ABC
Science of Glass Making: How is Glass Made?
Glass is made by heating sand (mostly composed of silicon dioxide) until it melts and turns into a liquid at a high temperature of around 1700° Celsius. When the molten sand is allowed to cool, it becomes an amorphous solid, featuring...
Science ABC
What Is The Smallest Particle We Know?
We have built beautiful particle accelerators in the search for particles that are even more elementary than electrons, protons, and neutrons. The accelerators smash subatomic particles at enormous speeds, which causes them to shatter...
Science ABC
What Lies Beneath the Desert Sands?
Discover what lies beneath the sand in deserts. Contrary to popular belief, 80% of deserts are not covered in sand, but rather bare earth, revealing the bedrock and clay of a dried-out ecosystem. Learn about the unique erosion patterns...
Curated Video
Heat resistant
The ability of a substance to withstand the effects of high temperature without being permanently changed. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Oxide
Any compound in which oxygen is combined with another element. 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...
Curated Video
The Elements: Silicon
Discover the unique properties of silicon, which is found in many things from sand to computers. Chemistry - Periodic Table - Learning Points. Silicon is a metalloid element. Silicon is found in sand, quartz, the Sun and stars. Silicon...
Curated Video
Humphead Parrotfish
The amazing grazing habits of the parrotfish, which helps turn hard coral into pure white sand. Biology - Animal Kingdom - Learning Points. Humphead parrotfish are found throughout the Indian and Pacific oceans. Humphead parrotfish feed...
Curated Video
Coastal Processes
A closer look at the three key processes that shape our coasts. What are they and what effects do they have? Earth Science - Geology - Learning Points. Our coastlines are constantly being re-shaped by three key processes. Erosion -...
Curated Video
Pressure and Surface Area
Learn how surface area can affect the amount of pressure exerted, and why this is useful in life? Physics - Forces - Learning Points. Pressure is the amount of force acting on a set area. Pressure is measured in pascals. Pressure can be...
Curated Video
Salt: Food Preservative
Salt was discovered thousands of years ago as a way of preserving food. How does it do this? And what else does salt preserve? Chemistry - Chemical Industries - Learning Points. Food rots because of bacteria and fungi. Salt is an...
Curated Video
Coastal Landforms
Coastal erosion produces beautiful beaches and some rather unusual land formations, from spits to stacks, mud flats to salt marshes. Earth Science - Geology - Learning Points. Cliffs are formed when destructive waves attack the bottom of...
Curated Video
Oceans: The Intertidal Zone
Discover how ever-changing tidal ecosystems create opportunities for both predators and prey. Biology - Ecosystems - Learning Points. Tides are a powerful force of nature, created by the Moon's gravitational pull. Tides affect marine...
Curated Video
Secret of the Sahara
It may be dry and sandy now, but the Sahara desert used to look very different. Evidence buried deep beneath the dunes reveals that the landscape has been changing naturally over thousands of years. Earth Science - Weather - Learning...
Curated Video
Extreme Living: The Sahara
How satellite images revealed agriculture could be possible in one of the driest environments on the planet. Human Geography - Orientation And Settlements - Learning Points. 30% of the world's freshwater reserves are locked away...
Curated Video
Filtration and Evaporation
We use filtration and evaporation to separate out a mixture of water, sand and salt. The sand is removed using filtration, as it did not dissolve in the water. The remaining solution is heated until the water evaporates, leaving behind...
Curated Video
Leaf Chromatography
We separate the different pigments in a beech leaf using chromatography. The leaf is broken up and ground with sand and propanone before being transferred to some chromatography paper. This is then lowered into pigment solvent and we can...
Curated Video
Volume: Counting Stars
How many stars are there in the Universe? Astronomers calculate it the same way they would grains of sand on a beach... using volume. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum....