Across
- 5. mass per unit volume
- 11. a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape.
- 12. ...... point the temperature at which a liquid boils
- 13. gives out energy
- 14. the process of becoming a solid from liquid.
- 16. binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
- 18. the process of changing from a gaseous to a liquid or solid state
- 19. the degree of hotness or coldness of a body or environment
- 20. a substance that is fluid at room temperature and pressure
Down
- 1. to move to and fro or up and down quickly and repeatedly
- 2. the exertion of force upon a surface by an object, fluid, etc
- 3. the action or process of moving or of changing place or position; movement
- 4. proceeding, made, or occurring without definite aim, reason, or pattern
- 6. the process of changing from a solid to a gaseous state
- 7. a substance that is a three-dimensional shape at room temperature and pressure
- 8. the process in which particles mix by colliding randomly with each other, and bouncing off in all directions
- 9. ...... point the temperature below which a liquid turns into a solid
- 10. the amount of 3-dimensional space occupied by an object
- 15. takes in energy from the surroundings
- 17. the physical change where a liquid turns to a gas at a temperature below its boiling point