Unit 7.1 Crossword

4. The amount of mass in a particular volume of a substance
6. How well a substance dissolves in another substance
7. A substance made of two or more different types of atoms chemically bonded
8. A characteristic used to identify or describe matter (e.g. density, flammability)
11. Two or more atoms bonded together
13. Observations of data that support a claim
14. A single particle of a particular element
15. The amount of matter in an object
16. A new substance made by a chemical reaction
17. A process where substances combine or break apart to form new substances

1. A starting substance in a chemical reaction
2. Type of system where matter can escape
3. One of three states of matter. Has no fixed shape or volume
4. Scientist who proposed that all matter is made of tiny particles
5. A property that describes how easily something catches fire
9. A pure substance made of only one type of atom
10. What atoms do in a chemical reaction. They don't disappear, instead they do this
12. Type of system where nothing can enter or leave