1 - USSR

2 - Introduction to Chemistry: Atoms, Elements, and Compounds

        - Text pg. 166-169

3 - Particle Theory

    What do you think?  pg. 173

    The Origins of the Particle Theory - Particle Theory Introduction.ppt

    Particle Theory of Matter

        - All matter is made of tiny particles.

        - Different substances are made up of different kinds of particles.

        - Particles are in constant random motion.

        - The particles of a substance move faster as its temperature increases.

        - Particles attract each other.