1. What are aerosols?
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Introduction i
Aerosol products
There are many aerosol products - each with its own properties.
Aerosol sprays
Aerosols have many uses; the most common are deodorants and body sprays. However, many products come in aerosols. Here are some other examples:
  • asthma sprays
  • insecticides
  • shaving foam
  • hair spray
  • cleaning sprays
  • oven cleaner.

Even though they are all aerosols, each spray has its own properties. For example, shaving foam is very different from a body spray - even though they are both aerosols. How do we make them different?

In this electronic resource (e-source) we will see how scientists make each aerosol perform in the way they want.

Always follow the instructions on the can and pay attention to safety advice and warnings.
Contents
The e-source is split into five units:
  1. What are aerosols?
  2. Particle matters
  3. Pressure
  4. How do gases behave?
  5. What's in an aerosol

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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.

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.

Summary                                           Close
  • there is a wide variety of aerosol products
  • their properties are very different
  • scientists can determine these properties