Physical science crossword

2. a sample of matter
4. A change of matter from one form to another without change in chemical properties
5. the temperature and pressure at which a solid becomes a liquid
6. A substance made up of atoms of two or more different elements joined by chemical bonds
8. a sample of matter
9. th temperature at which a liquid becomes a gas
10. d=m/V
11. the ability of a substance to react in the pressence of oxygen and burn when exposed to flame
12. combination of two or more substances
15. a change that occurs when a substance changes composition by firming one or more new substances
18. Anything that has mass and occupies space
19. A substance that can not be sepperated or broken down into simpler substances by chemical

1. combine with another substance
3. color and shapes
6. a combination of chemeocal symbols and numbers to represent a substance
7. the ratio of the mass of a substance to the volume of the substance
13. a powder used to make glass
14. what properties are, how they interact and change
16. The smallest unit of a substance that keeps al of the physical and chemical properties of that substance it can consist of one atom or two or more atoms bonded together
17. The smallest unit of an element that maintains the properties of that element