Curated Video
Scoop Cooks Pies
It's getting late and Skoop is making delicious cookies for his friends. It's already dark out and Skoop can't read the recipe in his book. The cookies haven't turned out well at all. Leo builds a desk lamp so Skoop can still read his...
Curated Video
I WONDER - Who Invented Concrete?
This video is answering the question of who invented concrete.
Curated Video
Homemade Glue
There are many kinds of glue all around us. Some come from nature, and some we can create. Watch as Dr. Boyd gives step-by-step instructions on how to create your own glue at home.
Minute 0:30 – Introduction
Minute 0:42 – What you...
Curated Video
Turmeric Acid Base Indicator Experiment
Check out this cool experiment in which Dr. Boyd uses the seasoning Turmeric as an indicator for acids and bases.
0:00 – Introduction
0:21 – What you need
0:53 – Brief explanation of acids and bases
2:15 – Safety Discussion
2:36 –...
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...
Curated Video
Inert
Unreactive, and resistant to change by any chemical means. 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
Solvent
The substance, such as water, in which another substance can dissolve. 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
Distillation
A way of separating liquids that have different boiling points from a mixture. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Solution
A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Homogeneous mixture
A mixture of two or more substances which appears to be a single, uniform medium, with no visible separation between its components. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Mineral (chemistry)
A naturally occurring element or compound that has a crystalline form and has been produced by geological processes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Emulsion
A mixture in which droplets of one liquid are suspended in another. 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
Compound
A substance composed of more than one chemical element, whose atoms are held together by strong chemical bonds and are combined in a fixed ratio. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Heterogeneous mixture
A mixture of two or more substances which remain as physically separate substances. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Substitution reaction
A reaction in which one functional group in a molecule is replaced by another functional group. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Atomic weight
The average mass of atoms of an 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 abstract concepts and key...
Curated Video
First Synthetic Pigment
The story of how a contaminated reaction in the early 1700s led to the accidental discovery of blue pigment, the first synthetic paint. Chemistry - Reactions - Learning Points. In the 1700s, paints were colored using naturally occurring...
Curated Video
Alloys
What exactly are alloys? What is it about their properties that make them so useful for a huge variety of purposes, from construction to jewellery? Chemistry - Periodic Table - Learning Points. Alloys are metals mixed with other...
Curated Video
Forensics: Chromatography
Find out how chromatography can be used to create the chemical 'colour fingerprint' of a substance. What are the two chromatography methods and how are they used to solve crimes? Chemistry - Atoms And Bonding - Learning Points....
Curated Video
Solutions
Why and how do substances dissolve? Discover what happens when you create a solution. Chemistry - Atoms And Bonding - Learning Points. A solution is the mixture formed when a solid dissolves in a liquid. A solvent is a liquid that can...
Curated Video
Fractional Distillation - Crude Oil Separation
Learn how the industrial process of fractional distillation transforms crude oil into a variety of products, from plane fuel to road surfacing. Chemistry - Chemical Industries - Learning Points. Extraction of crude oil from Fractional...
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
Ferrofluids
We compare the properties of three iron mixtures: iron and water, iron and oil and a ferrofluid - a mixture of compounds containing iron and oil. First, we look at how iron filings behave when mixed with water and then oil. We then hold...
Curated Video
Kiwi Fruit DNA
We extract the DNA from a kiwi fruit by mashing it with detergent liquid, salt and water. The mixture is then filtered and incubated before a layer of chilled ethanol is added. The jelly-like DNA can then be extracted. Biology - Cells...