Human production, use, and disposal of pure substances and mixtures have both benefits and costs.
The particle theory explains the behaviour of particles of matter.
The skills of analysis can be used to apply the particle theory to changes in matter.
A pure substance contains only one kind of particle, but a mixture contains more than one kind of particle.
The skills of scientific inquiry can be used to classify matter as a pure substance or a mixture.
A mechanical mixture contains different components that you can see.
A solution is a mixture that looks like a pure substance.
matter
chemistry
particle theory of matter
solid
volume
liquid
gas
pure substance
mixture
mechanical mixture
heterogeneous mixture
solution
homogeneous mixture