Across
- 4. evaporation in which bubbles form beneath the liquid surface
- 7. transformation of a liquid to a gas
- 8. a structure in which atoms of different elements are bonded together
- 10. research that leads to a better understanding of how the natural world works
- 11. the transformation of a liquid to a solid
- 12. the study of matter and the transformations it can undergo
- 13. the energy absorbed or released in order to cause a change of phase
- 15. transformation of a solid to a gas
Down
- 1. transformation of a gas to a liquid
- 2. a physical attribute of a substance
- 3. matter that has a definite volume and shape
- 5. transformation of a solid to a liquid
- 6. matter that has no definite shape or volume, filling any space
- 9. force of attraction between two atoms that holds them together
- 14. matter that has a definite volume but no definite shape