The Chemist's tools 9.1.5 - The states of matter
Matter: states and properties of matter.
Particle/kinetic theory, diffusion.
Pure and impure substances. Types of mixtures (solutions, oils, alloys, emulsions)
Separation techniques, including filtration, distillation [including crude oil - myp10], chromatography.
The logical argument of the Greek philosophers to John Dalton. The Greek
philosophers said that matter was either continuous or particulate. Discuss.
What consequences would each theory have on the matter that we experience
in the big wide world.
Evidence for the particulate nature of matter.
Animation and discussion: Korean Kemistry
Macroscopic (bulk) properties and microscopic properties
Shape, volume, forces, distance between particles, motion.
The students observe the demonstrations set out around the room and could be asked to comment on the effects seen
Write up of demonstrations with explanations for what is seen.
Brown first postulated that the motion of the pollen grains was because they are alive.
In "Korean chemistry" get the students to decode the Korean symbols.
Worksheet - kinetic theory