Across
- 3. what is the name of the very small particle that makes up all matter?
- 6. what is the correct term for the ring of water that is left behind from a cold drink?
- 9. ____ ____ is the term for when atoms get so cold, that the particles stop moving all together.
- 11. ____ in the form of heat is needed to change from 1 phase to another.
- 14. what is the process of a liquid becoming vaporized?
- 15. ____ is when energy in the form of heat is given to atoms and the object can turn into liquid.
- 16. ____ is in 78% of our air.
- 17. ____ is a region located at the center of the atom.
- 19. one phase of matter that is hard to compress, holds a shape, has a certain size, and might be hard.
Down
- 1. ____ is how much there is of an object.
- 2. ____ is the amount of space an object occupies.
- 4. ____ of an element or compound is a phase transition from liquid phase to gas phase.
- 5. ____ can freeze, boil, and evaporate.
- 7. ____ is when energy is taken away from atoms, and the particles move slower.
- 8. the universe is made entirely of ____.
- 10. what is the transition of a substance directly from the solid to the gas phase without passing through an intermediate liquid phase.
- 12. one phase of matter that is easy to compress and its atoms hold the most energy out of the 3 phases.
- 13. what is another term for physical condition or stage of matter?
- 18. one state of matter that exists between the solid phase and gas phase.