Curated Video
Rusting Nails
We investigate the conditions needed for rust to form. Four iron nails are placed under different conditions. One is half submerged in water. Another is completely submerged in boiled water. One is half submerged in salt water. The final...
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
Flame Test
We use a Bunsen burner to burn different chemical salts to see how the flame colour changes. This shows that sodium burns with a yellow flame, lithium burns with a red flame, barium burns with a yellow-green flame and copper burns with a...
Curated Video
Electric Eels
Electric eels can generate amazing amounts of electricity inside their body. Discover how they use this for defence and to stun potential prey. Physics - Electricity And Circuits - Learning Points. Electric eels create electricity to...
Curated Video
Salt
In chemistry, an ionic compound containing positive metal ions and negative non-metal ions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Minerals
Discover the world of minerals and learn about their uses. Material processes - Classifying materials - Minerals Learning Points Minerals are naturally occurring substances with a unique chemical make-up. Minerals have many uses. The...
Curated Video
Chemical Compounds: Salts
By the end of this learning object, the student will be able to: Explain the meaning of salts and their properties.14004
Curated Video
GCSE Chemistry - Conservation of Mass #26
Whether we look at the mass, Mr or number of atoms, the mass is always conserved in chemical reactions. However, it may sometimes appear as if the mass changes if some of our reactants or products are gases. We can fix this problem...
Curated Video
GCSE Chemistry - Electrolysis Part 3 - Aqueous Solutions #42
In this video we cover: - How the electrolysis of soluble compounds works - The rules to find out which ions are discharge at each electrode - Electrolysis of aqueous copper sulfate - Electrolysis of aqueous sodium chloride This video is...
Curated Video
GCSE Chemistry - Filtration, Evaporation & Crystallisation #6
In this video we'll look at: - How filtration can be used to separate insoluble solids from a liquid - How evaporation can be used to separate a soluble solid from a solution - How crystallisation can be used to separate a soluble from a...
Curated Video
GCSE Chemistry - Differences Between Compounds, Molecules & Mixtures #3
This video covers: 0:21 - What a molecule is 1:11 - What a compound is 3:11 - How to use brackets in a chemical formula 4:48 - What a mixture is This video is suitable for: - All tiers - All exam boards - Triple and combined science
Curated Video
Electrons and Ions
Electrons and Ions describes what occurs in an atom when electrons are added or removed from the outer shell using the terms ion, bonding, gain, lose, and charge.
Curated Video
Experiment on How Increasing Reactant Concentration Affects Reaction Rate
The video discusses a required practical activity from the chemistry specification, which is an experiment to investigate how increasing the concentration of a reactant affects the rate of the reaction by observing a precipitate. The...
Curated Video
Conservation of Mass and Chemical Equations
The video discusses the conservation of mass in chemical reactions and the application of this principle in calculating the mass of reactants and products. It also explores the features of chemical equations such as balancing and state...
Curated Video
Electrolysis of Molten Iron Compounds: Understanding the Process and Real-Life Examples
The video explains the process of electrolysis of molten iron compounds. It discusses what electrolysis is and how it works, with a focus on the movement and reaction of ions at each electrode. The video also explains the concept of an...
Curated Video
Electrolysis of Aqueous Solutions and Purification of Copper
The video is a tutorial on electrolysis of aqueous solutions. The speaker introduces the basic rules for electrolysis of aqueous solutions and how to predict the products using those rules. The examples are given for different...
Visual Learning Systems
Investigating Chemical Reactions: Describing Chemical Reactions
Upon viewing the Investigating Chemical Reactions video series, students will be able to do the following: Define a chemical reaction as a process in which substances undergo changes to produce new materials with different properties....
The Backyard Scientist
Pouring Molten salt into Water - Explosion!
Pouring Molten salt into Water - Explosion!
Curated Video
Concentrations in Moles per Decimeter Cubed: Understanding Molar Concentration and Converting Between Units in mol/dm3
This video covers concentrations in moles per decimeter cubed, explaining the concept of concentration, how to calculate concentration using mass and volume, and why moles are useful in chemistry. The video also covers how to convert...
FuseSchool
Law Of Constant Composition
Learn the basics about the law of constant composition and how to apply it. The law of constant composition states that in a given chemical compound, all samples are made up of the same elements combined in the same proportions. So what...
Catalyst University
Anatomy and Physiology of the Large Intestine [Colon]
In this video, we investigate the relevant anatomy and functions of the large intestine or colon.
Curated Video
Measuring Concentration of Solutions and Calculations
This video explains the concept of concentration of a solution and how it can be measured in grams per decimeter cubed or moles per decimeter cubes. It provides examples of calculations involving concentration and volume, as well as a...