Matter

4. change a change from one state (solid or liquid or gas) to another without a change in chemical composition
7. Amount of space occupied by an object
9. molecule 2 hydrogen atoms(+), 1 oxygen atom(-)
10. Gas to liquid
12. positively charged particle
13. nucleus An atom's central core, containing protons and neutrons.
15. A group of atoms bonded together
17. The change in state from a solid to a liquid
18. change a change of matter from one form to another without a change in chemical properties
19. the degree of compactness of a substance.
20. Basic unit of matter

1. solid to gas
2. temperature of water 32 degrees Fahrenheit and 0 degrees Celsius
3. The change of state from a liquid to a solid
5. negatively charged particle
6. a lipped cylindrical glass container for laboratory use.
8. cylinder used to measure the volume of a liquid
11. of matter solid, liquid, gas, plasma
14. change A change that occurs when one or more substances change into entirely new substances with different properties.
16. Liquid to gas
19. gas to solid