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Physical Science

Matter Anything that has mass and takes up space besides energy
Atom Basic form of a molecule with a nucleus, protons, neutrons, and an electron outside of the nucleus.
Molecule A group of atoms formed together to make one. An example is H2O
Element One or more same type of atom.
Compound Two or more different kinds of atoms bonded together.
Pure Substance A substance made up of one type of matter (can be element or compound) has constant composition. Can't be physically separated must be chemically separated.
Mixture A substance made up of multiple types of matter. Has a variable composition. Can be separated by sorting filtering and heating and cooling.
Homogeneous Mixture mixture where the particles are evenly distributed.
Heterogeneous Mixture Mixture where the particles are not evenly distributed
Solution Is the result of what the solute has made with the solvent. Small particles cannot use Tyndall Effect on
Colloid Mid size particles can use the Tyndall effect on to see the particles scatter, Example is milk
Suspension Large particles you can see with the naked eye.
Tyndall Effect light scattering in a colloid or particles.