Aerosols and pressure. Aerosol sprays.

Introduction

About aerosols and this resource

P.1

Some aerosol products

Picture 1. We use aerosols in a wide range of products.

Always follow the instructions on the can and pay attention to safety advice and warnings.

		Aerosols are a part of our lives. We use them to dispense, for example, deodorants, shaving foam, air fresheners and de-icers. However, even this short list shows that different aerosols can and must behave differently. You’d be a bit wary of using an aerosol that dispensed deodorant at the same rate as a de-icer!

		In this electronic resource (e-source), we will look at the physics behind the operation, manufacture and testing of aerosol cans.

	Contents
		The e-source is arranged in 5 units, covering different areas of physics. There is a quiz at the end of each unit. The units are: How aerosols work The kinetic theory of matter The gas laws Thermal effects Electrostatic effects


	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: at the end of each unit, there is a quick quiz to 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.

Summary Close

different aerosols have different features
try the quizzes at the end of each unit