| A | B |
|---|
| substance | a type of matter with a fixed composition |
| element | a substance made up of atoms with all the same identity |
| compound | a substance in which the atoms of two or more elements are combined |
| heterogeneous mixture | a mixture in which different materials can be distinguished easily |
| homogeneous mixture | contains two or more gaseous, liquid, or solid substances blended evenly throughout |
| solution | homogeneous mixture of particles too small to be seen and don't settle out |
| colloid | a type of mixture with particles that are larger and don't settle out |
| Tyndall effect | the scattering of light by colloidal particles |
| physical change | a change in the size, shape, or state of matter |
| chemical change | a change of one substance to another |
| suspension | a heterogeneous mixture containing a liquid in which visible particles settle |
