Mixtures - formed by combining two or more materials - either form homogeneous or heterogeneous mixtures.
Homogeneous mixture - comes from homo (the same) and genus (kind)
- consists of a single phase
- a solid, liquid, or gaseous mixture that has the same uniform appearance and composition
- appears uniform to the eye
- examples are seawater, vinegar, and steel bars
Heterogeneous mixture - comes from hetero (different) and genus (kind)
- consists of two or more phases
- has nonuniform appearance and different phases can be recognized
- visible to the unaided eye and its components are obviously different from one another
- examples are halo halo, chocolate chips cookies, and beach sand
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