Particle model of matter

Read this page on the characteristics of three states of matter, then view the following slideshow.

Create a document in Word, OneNote or another word processor addressing the following questions:

What are scientific models and why are they used?
Explain the position and movement of particles in a:
- solid
- liquid
- gas.
Design and describe an activity that you could use to explain the particle model of matter to your classmates.

A basketball showing particle arranged in a solid

Particles arranged in a solid.