Across
- 3. composed of two or more separate elements
- 5. firm molecules, no movement
- 6. a substance made by mixing
- 7. temperature where liquids turn to gas
- 8. substance that expands freely
- 9. the smallest measure unit
Down
- 1. each of more than one hundred substances
- 2. the ability to dissolve
- 4. substance that flows freely, takes forms of cups
- 6. temperature where solids turn to liquid