Curated Video
How to Make Your Own Green Cleaning Supplies
Howcast - Learn how to make your own eco-friendly cleaning supplies in this Howcast video featuring Alegre of Green and Greener.
Curated Video
How to Paint with an Air Compressor
Howcast -If a brush and roller turn every painting project into a tedious affair, this guide will make the process quicker and easier using simple pressurized air.
Curated Video
How to Clean a Gun
Howcast -Learn how to clean a gun from Police Officer Keith Charley in this Howcast gun video.
Curated Video
How to Install a Sprinkler System Part 2
Now that you've laid the groundwork in part 1, finish the sprinkler system installation with part 2 of the process.
Curated Video
Gases in Liquids - Henrys Law
Discusses how gas solubility in liquids depends on pressure, governed by Henry's Law
Science ABC
What If Something Travels Faster Than The Speed Of Light?
Can anything travel faster than the speed of light? Is it even possible for something to undertake the “speed of light” travel? And what if something can actually travel faster than light? What is Cherenkov radiation and how is it...
Curated Video
Solute
The substance that dissolves into a solvent. 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...
Curated Video
Covalent bond
A strong chemical bond formed when atoms share pairs of electrons, forming molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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
Insoluble
A substance that cannot 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 reinforce abstract concepts and key...
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
Leaf Chromatography
We separate the different pigments in a beech leaf using chromatography. The leaf is broken up and ground with sand and propanone before being transferred to some chromatography paper. This is then lowered into pigment solvent and we can...
Curated Video
Soluble
Any substance that can dissolve in another is said to be soluble; though a substance may be soluble in one liquid but insoluble in another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
The wonder of water
We use water every day ... but what do you really know about it? Material processes - Solids, liquids and gases - Characteristics of water Learning Points Water is the only substance on Earth that occurs naturally in all three states....
Curated Video
Advanced separation
Find out how advanced separation processes are used to separate substances in complex mixtures. Material processes - Separating mixtures - Other means of separation Learning Points Chromatography separates pigments in a liquid....
Curated Video
Separation by evaporation
Learn how to find out the difference between tap water and spring water. Material processes - Separating mixtures - Separation by evaporation Learning Points Evaporation can be used to separate a solution. A solution is formed when a...
Curated Video
How to Calculate Molarity | Chemistry Made Easy
Calculating molarity is as easy as plugging numbers into the triangle and using your calculator to either multiply or divide the numbers given in the problem. Calculating molarity is important in chemistry as molarity is a common...
Curated Video
The 3 Different Types of Solutions EXPLAINED!
There are 3 different types of solutions - unsaturated, saturated and supersaturated. The main difference between these 3 types of solutions is the amount of solute in each type of solution. In this video, we explain the 3 different...
Curated Video
GCSE Chemistry - Alcohols #57
This video covers: - Alcohols are a homologous series of organic compounds with an OH functional group - How to name them - Their properties: flammable, soluble and they can be oxidised - Their uses: as fuels and solvents Exam board...
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 - Paper Chromatography #63
In this video you'll learn: - What chromatography is used for - The process for setting up and carrying out paper chromatography - What the mobile and stationary phases are
Science Buddies
How to Dilute a Solution
Simple step-by-step instructions to help you make dilutions and serial dilutions. Calculating dilution factors has never been easier!
Science Buddies
How to Make a Solution | Chemistry and Biology Techniques
Learn how to easily and accurately make a solution and calculate the solution concentration.