Using materials
        1. Paints
Emulsion paints
Picture 1. Paints come in a wide variety of colours and textures. But how are they made?
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Paint all around
Paint is an everyday part of our surroundings. We paint our walls, our furniture, our cars and our bridges. We use paint because it makes our surroundings more attractive. Paint adds colour to our lives, helps reflect light and we can choose it to add a gloss or a texture as well.

But paint also protects. It helps protect wood from rotting and metals from corroding. Paint is also very versatile. It sticks to many surfaces and can be applied to awkward shapes. Paint can also be used to communicate, for example when we put yellow lines onto roads.

The technology of surface coating is complex and is continually changing. Scientists who specialise in this area, bring together a range of skills to develop new and innovative paints.

Contents and links
This electronic resource (e-source) builds on the content of What are materials made of?

There are three pages in this e-source:

However, you can consolidate your understanding of some of the ideas by visiting the What are materials made of? e-source. Its contents are listed below.

Contents of What are materials made of?
  1. Solids, liquids and gases
  2. When materials mix
  3. Separating material mixtures
  4. Elements and compounds
Using this e-source
There are a number of interactive features in this e-source:

A glossary of terms: any word with a glossary entry is highlighted like that. Clicking on the word will open a new window with a definition of that word.

Quick questions: at the end of each page is a quick question to test your understanding of that page. Type in your own answer then click on the button to see how well you did.

Quiz: there is a quick quiz at the end of the e-source. This will help you see how well you understand the ideas.

Roll over diagrams: many of the diagrams have highlights or sequences. You can see these by rolling your cursor over part of the picture or part of the text. The text has a roll over highlight like that.

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