States of Matter and the Particle model

Learning Intention

We are revisiting the particle model to gain a better understanding of the properties of matter

Success Criteria

I will describe and compare matter when it occurs in the solid, liquid and gas states.

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Viscosity describes the internal friction of a fluid (liquid or gas) and is a measure of a fluid's resistance to flow when poured into a container. Viscosity of a substance is affected by temperature and pressure.

Density is a bit like "heaviness" and describes the number of particles packed into a given space. There is an equation to calculate density; density = mass/volume. Density is measured in grams per centimetre cubed (g/cm3). The density of some common substances include: Water = 1.0g/cm3 ; Air = 0.001g/cm3; Glass = 2.6g/cm3; Wood=-0.3g/cm3; Lead=11g/cm3  .