To make a solution of something by mixing a soluble substance into a solvent, such as salt into water.
<

br/>

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

The process of using a direct electric current passing through a conductive liquid to drive a chemical reaction.
<

br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

A saturated solution is one which contains as much solute as possible without changing any conditions such as temperature or pressure.
<

br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

A strong acid is one that is fully ionised in solution.
<

br/>

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

A clear, yellowish fluid that surrounds the developing foetus in the amniotic sac within the mother's womb.
<

br/>

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

The chemical process by which a base neutralises an acid, producing a salt and water.
<

br/>

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

An aqueous solution is simply any solution in water.
<

br/>

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

A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout.
<

br/>

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

A solid that forms in a liquid solution.
<

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...

An alkali is a solution with a pH greater than 7.
<

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...

A measure of how much of one substance is dissolved or dispersed in another, for example salt in water, or oxygen in the atmosphere.
<

br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...

A compound which dissolves in water to form a solution with a pH of less than 7.
<

br/>

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

A substance that when molten or dissolved in solution, releases free ions that make it electrically conductive
<

br/>

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

The formation of solid crystals from a solution, or a cooling liquid or gas.
<

br/>

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

A reaction in which a more reactive element replaces a less reactive element in a compound.
<

br/>

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

A substance that reacts with an acid to form a salt and water.
<

br/>

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

The pH scale measures the acidity or alkalinity of a solution.
<

br/>

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

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...

A closer look at the three key processes that shape our coasts. What are they and what effects do they have? Earth Science - Geology - Learning Points. Our coastlines are constantly being re-shaped by three key processes. Erosion -...

Artificial trees: what are they? How do they work? And how could they help to prevent climate change in the future? Human Geography - A Changing World - Learning Points. The rate of climate change is increasing because of the increasing...

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...

Discover the chemical processes occurring deep within the Earth that create beautiful crystal structures in caves. Chemistry - Reactions - Learning Points. Caves are a result of rainwater slowly carving away rock. Carbonic acid forms in...

Before the 17th century, mathematical problems were written, and solved, in longhand... until mathematical symbols were invented in Europe. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the...

The properties of strong acids and alkalis can be extremely harmful. Where do we find them, and how can we tell how acidic or alkaline a substance is? Chemistry - Reactions - Learning Points. Bases neutralise acids, and if a base...