Curated Video
GCSE Chemistry - Atoms & Ions #1
This video looks at: 0:29 - The structure of an atom 3:22 - What ions are 4:53 - What the nuclear symbol tells us This video is suitable for: - All tiers - All exam boards - Triple and combined science
Curated Video
GCSE Chemistry - Electrolysis P2 - Electrolysis to Extract Metals From Oxides - Explained #41
This video covers: - How to extract reactive metals from their oxides using electrolysis - Recap of extracting unreactive metals with 'reduction by carbon' - The specific example of extracting aluminium from aluminium oxide - Writing...
Curated Video
GCSE Chemistry - The pH Scale & Strong vs Weak Acids (Higher Tier) #35
One of the most confusing points with acids is the difference between strength and concentration. This video covers exactly what strong vs weak means and explains what the pH scale really represents. This video is suitable for: - Higher...
Curated Video
GCSE Chemistry - Oxidation and Reduction - Redox Reactions #39 (Higher Tier)
In this video we cover: - Oxidation and reduction in terms of oxygen and electrons - Redox reactions - Displacement reactions - Ionic equations - Half equations This video is suitable for: - Higher tier only - All exam boards - Triple...
Curated Video
GCSE Chemistry - What is Ionic Bonding? How Does Ionic Bonding Work? Ionic Bonds Explained #14
Everything you need to know about ionic bonding! Ionic bonds form when one atom transfers electron/s to another atom, so that both atoms forms oppositely charged ions. These ions are then attracted to each other by electrostatic forces...
Curated Video
GCSE Chemistry - Tests for Anions - Carbonate, Sulfate and Halide Ions #65
This video covers: - How to test for carbonates by reacting with an acid and then bubbling the gas through limewater - How to test for sulfate ion with dilute hydrochloric acid and barium chloride - How to test for halides like chloride,...
Curated Video
GCSE Chemistry - Metals and Non-Metals #10
This video covers the difference between the properties of metals and non-metals, and takes a look at transition metals.
Curated Video
GCSE Chemistry - Formation of Ions #13
This video covers how atoms gain or lose electrons to form ions, why they bother, and how to tell which ion they'll become. Based on AQA course, but suitable for all exam boards.
Curated Video
GCSE Chemistry - Flame Emission Spectroscopy (Flame Photometry) #66
This video covers: - What flame emission spectroscopy (also called flame photometry) is. - How it can be used to identify the metal ions present in a sample - How it shows the concentration of each metal ion present in a sample - Why...
Curated Video
GCSE Chemistry - What is an Ionic Compound? Ionic Compounds Explained #15
This video covers everything you need to know about ionic compounds - their structure; their properties; and most how to determine their formula. We also cover the common ions that you need to know for the exams! This videos is suitable...
Curated Video
Why turkey is hard to cook
Here's why cooking a turkey is so hard - and how brining can help.
Learn French With Alexa
Practise your French Imparfait Irregular Verbs
In this episode of Alexa's 'Practise Your French' series, Alexa helps you practise irregular verbs in the imparfait.
The Noted Anatomist
Resting membrane potential
This brief video tutorial briefly discusses resting membrane potential: 0:00. Introduction 0:53. What is a resting membrane potential? 1:33. How is a RMP measured? 4:12. How do we get a RMP at cell membranes? 9:04. How is the RMP...
Neuro Transmissions
How The Giant Squid Axon Changed Neuroscience
A lot of techniques and methods used in neuroscience have been developed thanks to modern technology and science. But what did neuroscientists do back in the day before all this fancy stuff? Well, turns out the giant squid axon was...
The Noted Anatomist
Voltage gated Na channels
This brief video tutorial briefly discusses voltage-gated sodium channels: 0:00. Introduction 0:14. Structure (activation gate and inactivation gate) 1:09. Three conformational states: - 1:24. 1. Closed - 2:30. 2. Open - 3:54. 3....
Curated Video
The Pacemaker of the Heart - SA and AV Nodes Made EASY!
In this video, I talk about the pacemaker potential of the heart. We're going to dig into the SA and AV Nodes, how they work, and what happens when things go wrong.
Neuro Transmissions
What is the Blood-Brain Barrier?
Your brain is super fragile. So how come it doesn't get totally wrecked by infections or bacteria? Well, you've got this nifty protection called the blood-brain barrier! To help guide us through your brain's awesome defense, we brought...
Neuro Transmissions
What is Resting Potential?
How is your brain like a battery? When our neurons arenêt firing, what do they do? Resting potential can be a very difficult concept to describe, but Alie Astrocyte breaks it down to the basics so that anyone can understand it! Join us...
Catalyst University
Theory of Thermodynamic Activity and Ionic Strength
Theory of Thermodynamic Activity and Ionic Strength
Curated Video
The Structure of the Urinary System and Nephrons Explained
This video discusses the structure of the urinary system, providing an overview of the organs involved in removing waste products and excess substances from the body. The video explains the functions of the renal arteries and veins,...
FuseSchool
Neutralisation of Alkalis
Learn the basics about solubility rules for insoluble salts, as part of the overall acids, bases and alkali topic.
Catalyst University
Functions & Histology of the Distal Convoluted Tubule & Collecting Ducts
Functions & Histology of the Distal Convoluted Tubule & Collecting Ducts