Curated Video
Valency Revealed Group IV Elements' Complex Chemistry
Tetrahedron formation is a crucial aspect of the chemical bonding and molecular geometry of Group 4 elements like carbon, silicon, germanium, tin, and lead. The tetrahedral shape is formed by the arrangement of four substituents around a...
Curated Video
Principal Quantum Number: The Key to Electron Shells
The principal quantum number (𝑛) is a fundamental parameter in quantum mechanics that determines the size and energy level of an electron's orbit within an atom. It is a positive integer that represents the main energy level or shell in...
Curated Video
Azimuthal Quantum Number: Shaping Electron Orbits
Characterised by the symbol 𝑙l, the azimuthal quantum number is a fundamental parameter in quantum mechanics that describes the angular momentum and form of an electron's orbital within an atom. The integer values it accepts range from 0...
Curated Video
Negative Energy: Understanding Hydrogen's Electron
In a hydrogen atom, the electron is bound to the nucleus, so its energy is negative. This shows that it is in a bound state. When there is negative energy, it means that the electron is stable. It is inside the atom because its negative...
Curated Video
Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?
Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?
Curated Video
Line Spectra: The Fingerprints of Atoms
Line spectra are unique patterns of light emitted or absorbed by atoms, resembling discrete lines. These patterns serve as the "fingerprints" of different elements, providing critical insights into atomic structure and composition....
Curated Video
Bohr's Atomic Model: Electrons in Orbit
In 1913, Niels Bohr proposed an atomic model that dramatically altered our comprehension of atomic structure by establishing a novel framework for describing the arrangement and behaviour of electrons within an atom. The purpose of...
Curated Video
Rescued Green Sea Turtles Ready for Release: Overcoming Health Challenges
In this video, two female green sea turtles that were rescued from beaches in Sydney, Australia, are now ready to be released back into the wild after weeks of rehabilitation. The turtles had suffered from various health issues,...
Curated Video
Revolutionizing Hearing: The New Generation of Hearing Devices
Siemens has developed a new generation of hearing devices that use digital technology to enhance speech comprehension and filter out background noise. These wireless hearing aids can communicate with each other, allowing for automatic...
Curated Video
What is an atom made of
What is an atom? And what is it made of? In this video, I will be introducing you to the atom. We will also look at concepts like atomic mass, elements and isotopes.
Food Farmer Earth
Legacy of the Waters: The Journey of a Fourth-Generation Oyster Farmer in Oregon
Uncover the sustainable practices and historical challenges of a family-run oyster farm in Oregon. A compelling case study for students in environmental science and business studies.
Curated Video
Solar System
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...
Curated Video
Atom Structure: Electron Shells
Learn why electron shells are responsible for the properties of elements, and whether they are stable or have violent reactions. Chemistry - Atoms And Bonding - Learning Points. An element's reactivity is determined by the number of...
Curated Video
Flame Colours and Fireworks
Exploring the science behind fireworks, discover how different elements are used to produce different colours of fireworks. Chemistry - Atoms And Bonding - Learning Points. In the mid-19th century the inventor if the Bunsen burner,...
Curated Video
Bouncing Eggs
We use vinegar to remove the shells from eggs without breaking them. Two eggs are placed in a beaker of vinegar, but one is half coated with clear nail polish. The exposed shells dissolve over time and the eggs swell as more water moves...
Curated Video
How Did Reptiles Evolve?
Find out how reptiles evolved from early amphibians, and the adaptations that allowed them to thrive on dry land. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get straight to the...
Curated Video
Atomic Structure
What does the Periodic Table tell us about the elements, their properties and behaviours? And why does the atomic number define each element? Chemistry - Periodic Table - Learning Points. The structure of the atom reveals why the...
Curated Video
Tortoises
An introduction to two very different types of tortoise – the jousting angulate tortoises of Dassen Island, and the giant tortoises of the Galapagos. Biology - Animal Kingdom - Learning Points. Male angulate tortoises are very...
Curated Video
Invertebrate warriors
Why do some animals have tougher skins than others? Life processes - Variation and classification - Invertebrates Learning Points An exoskeleton protects and supports an invertebrate's body. A Twig Curriculum Film. Delivering key...
Wonderscape
Exploring Contractions and Singular Possessive Pronouns Through Storytelling
Discover the world of contractions and singular possessive pronouns with a captivating story about a turtle and a rabbit racing. Learn to identify and use contractions like "I'm," "doesn't," and "can't," alongside possessive pronouns...
Curated Video
Science or Magic? Debunking Internet Phenomena
Explore the science behind astounding tricks seen online, such as eggs that bounce and excessive foam from simple reactions. This segment explains how everyday chemistry and physics contribute to these seemingly miraculous occurrences,...
Curated Video
Remarkable Reproductions: The Diverse Gestation Periods in the Animal Kingdom
Explore the fascinating world of animal pregnancies, ranging from the nurturing warmth of a marsupial's pouch to the secure shell of a chicken's egg. This video delves into how different species, including rabbits, elephants, and...
Curated Video
Eggs Unshelled: Nutritional Powerhouses Explained
Dive into the fascinating world of eggs with Mac Lesggy as he explores how a single cell transforms into a culinary staple. Discover the structural and nutritional composition of eggs, their benefits as a meat alternative, and the myths...