Curated Video
Reactions involving Gases
Discusses equilibrium in gaseous reactions and the role of partial pressures
Curated Video
Chemistry - how to calculate molar mass!
Molar mass is the mass of 1 mole of a substance. The molar mass of elements can be found on the periodic table and the molar mass of compounds can be found by adding together the molar masses of the elements present in the compound....
Curated Video
Chemistry - Calculating Percent (%) Composition
Percent composition is the percent of total mass of one element in a compound. We can find the percent composition by using this formula: mass of element/total mass of compound times 100. In this video, we will cover what percent...
Curated Video
Chemistry - 1-Step Mole Conversions
The mole is an important concept to understand in chemistry and being able to convert the mole to different units like grams, molecules, ions, atoms or liters is equally important. In this video, we cover the different conversion factors...
Curated Video
How to find the Molecular Formula of a Chemical Compound
The molecular formula is the actual formula of a compound and can be found by comparing the mass of the molecular formula to the mass of the empirical formula to figure out how much bigger the molecular formula is compared to the...
Curated Video
Chemistry - The Mole Explained - What is Avogadro's Number?!
Understanding the mole and how to use it is essential to your success in chemistry. The mole just represents the amount of a substance. 1 mole of anything is equal to 6.02 x 10^23 which is known as Avogadro's number. This number tells us...
Curated Video
Wordwall - whack a mole
Teachers will love the whack a mole game from Wordwall. I create the classic whack a mole game in Wordwall in just a few minutes. Wordwall is great for classroom teaching or for using the games for online learning, asynchronous learning...
Weird History
Facts About Organized Crime Around the World
Organized crime can be explained as a complex and thoroughly centralized criminal enterprise that has been established for the explicit purpose of engaging in unlawful activities. In the world we live in, hundreds of organized crime...
Veritasium
The kg is dead, long live the kg
Will this be the last video I make about SI units? Quite possibly. There's something about being so precise and defining the systems within which science works. When we can more accurately and routinely measure a kilogram, a mole, a...
Curated Video
Sp² Hybridization in Ethene: The Secret of Double Bonds
Hybridization Process: Carbon atoms undergo sp² hybridization, mixing one 2s and two 2p orbitals to form three sp² hybrid orbitals arranged in a trigonal planar geometry (120° bond angles). Bond Formation: Two sp² orbitals form sigma (σ)...
Curated Video
Born-Haber Cycle: The Energy Behind NaCl Formation
The Born-Haber cycle calculates lattice energy using steps like ionization, electron affinity, and sublimation, showing the energetics of ionic compound formation
Curated Video
Lattice Energy Demystified: The Strength of Ionic Compounds
Lattice energy is the energy released when ions combine to form an ionic solid. Higher lattice energy indicates a stronger ionic bond and greater stability
Curated Video
Cations at Work: Shaping Ionic Bonds
Cations, formed by electron loss, influence ionic bond strength. Smaller cations with higher charges create stronger ionic interactions
Astrum
How Mars Stumped NASA Engineers
NASA's InSight has run into a few difficulties since it landed. Can scientists overcome them?
Curated Video
SI
SI is the International System of Units. 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...
Curated Video
Avogadro's constant
The number of particles in 1 mole of a substance, which is 6.022 times 10 to the power of 23. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Bizarre Adaptations
All animals develop specific characteristics in response to their environment, but some adaptations are more weird and wonderful than others. Biology - Adaptation And Evolution - Learning Points. Every animal species on the planet has...
Curated Video
Soil – What's that noise?
What's that noise? ... It's a mole hunting. Material processes - Classifying materials - Soil A Twig Tidbit Film - What’s that noise? The children have to identify an object from its sound alone.
Curated Video
Star-nosed mole
Discover the most unusual nose in the animal kingdom! Life processes - Humans and other animals - Humans' and other animals' needs Learning Points The star-nosed mole uses its unusual nose to feel for prey. A Twig Context Film. Reinforce...
Curated Video
Conformational Stability of Ethane & Butane: Which is More Stable?
Ethane and butane exhibit different conformations due to rotation around their carbon-carbon single bonds. In ethane, the most stable conformation is the staggered form, where the hydrogen atoms on adjacent carbons are positioned as far...
Curated Video
Chemical Reactions: Oxidation and Reduction
By the end of this learning object, the learner should be able to: Identify Oxidation – reduction reactions by gaining or losing electrons
Curated Video
The Science of Skin: Understanding Freckles and Moles
Uncover the fascinating world of skin genetics with a deep dive into how freckles form and why they're hereditary, and explore the nature of moles and their implications for health. Featuring expert dermatological insights, this video...
Curated Video
Arrhenius Equation : Understanding It
Arrhenius Equation, temperature dependance on rate , experimental explanation. Arrhenius Equation - Activation Energy & Temperature part 1