Howcast - Learn what you need to know about soldering chemicals and flux remover from expert Jeff Koskulics in this Howcast video.

Howcast - Learn how to make your own eco-friendly cleaning supplies in this Howcast video featuring Alegre of Green and Greener.

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.

Howcast -Learn how to clean a gun from Police Officer Keith Charley in this Howcast gun video.

Now that you've laid the groundwork in part 1, finish the sprinkler system installation with part 2 of the process.

Discusses how gas solubility in liquids depends on pressure, governed by Henry's Law

With the basic principles of homogeneous catalysis understood, let's move on to heterogeneous catalysis. This is where the catalyst and reagents are in different phases. Typically, the reagents are in the liquid or gas phase, flowing...

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...

The substance that dissolves into a solvent.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

A strong chemical bond formed when atoms share pairs of electrons, forming molecules.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

The substance, such as water, in which another substance can dissolve.
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br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

A substance that cannot dissolve.
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br/>

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...

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....

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...

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...

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...

We use water every day ... but what do you really know about it?
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Material processes - Solids, liquids and gases - Characteri
s

tics of water />

Learning Points
Water is the only...

Find out how advanced separation processes are used to separate substances in complex mixtures.
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Material processes - Separating mixtures - Other means


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Learning Points
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Learn how to find out the difference between tap water and spring water.
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Material processes - Separating mixtures - Separation
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Learning Points
Evaporation c
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n be used to...

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...

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...

This video covers:

- Alcohols are a homologous series of organic compounds with an OH functional g
roup
- How to
name them
- Their properties: flammable, soluble and they c
an be oxidised
- Their uses: as...

In this video we'll look at:

- How filtration can be used to separate insoluble solids from a l
iquid
- How evaporation can be used to separate a soluble solid from
a solution
- How crystallisation can be used to separate a...

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