Matter

1. solid to gas
4. states of matter
7. of matter solid, liquid, gas, plasma
10. An atom's central core, containing protons and neutrons.
11. the degree of compactness of a substance.
14. A change that occurs when one or more substances change into entirely new substances with different properties.
15. 32 degrees Fahrenheit and 0 degrees Celsius
17. A group of atoms bonded together
18. Basic unit of matter
20. negatively charged particle
21. The change of state from a liquid to a solid
23. used to measure the volume of a liquid

2. The change in state from a solid to a liquid
3. a change from one state (solid or liquid or gas) to another without a change in chemical composition
5. a change of matter from one form to another without a change in chemical properties
6. positively charged particle
8. a lipped cylindrical glass container for laboratory use.
9. Liquid to gas
12. A small particle in the nucleus of the atom, with no electrical charge
13. gas to solid
16. 2 hydrogen atoms(+), 1 oxygen atom(-)
19. Gas to liquid
22. Amount of space occupied by an object