Science Crossword

1. state of matter that forms from gases at very high temperatures
4. atoms and molecules that make up substances
8. 118 of these are on the periodic table
10. a state of matter that has a definite shape and volume
11. (2 words, space not included) temperature at which a solid changes to a liquid
14. (2 words, space not included) energy of motion of the particles of matter in a substance
18. process of a substance changing directly from a solid to a gas
19. measured in fahrenheit and celsius

2. 2 atoms make this
3. (2 words, space not included) temperature at which a liquid turns into a solid
5. process in which a gas cools to form a liquid
6. opposite of cold
7. (2 words, space not included)temperature at which a liquid changes to a gas
9. change from a liquid to a gas at a temperature that is lower than the boiling point
11. things you cannot see with your naked eyes
12. used to describe an observation that can be seen by the unaided eye.
13. process in which a liquid cools to form a solid
15. a state of matter that has a definite volume but not a definite shape
16. 2 of these make a molecule
17. matter that has no definite shape or volume