Across
- 2. Particles of dust floating in the air.
- 5. Mixtures that have parts that are not uniformly mixed together. A salad is an example.
- 6. A physical combination of two or more substances.
Down
- 1. Mixtures that are uniform throughout. Tap water is an example because it contains dissolved minerals and gases.
- 3. Smoke is an example because the particles are so small that they do not settle.
- 4. Salt water is an example. The salt dissolves in the water when mixed.