Matter Part 2

4. tending to vaporize easily
8. a unit of energy equal to 3.6 million joules
12. a substance composed of two or more different types of atoms or molecules combined in variable proportions
13. an initial substance in a chemical reaction, represented on the left side of a chemical equation
14. two or more atoms joined in a specific arrangement by chemical bonds
15. the result of a force acting on a distance
18. a law stating that energy can be neither created nor destroyed
19. a substance composed of only one type of atom or molecule

1. a change in which matter does not change its composition, even though its appearance might change
2. the energy of a body that is associated with its position or the arrangement of it parts
3. energy associated with the motion of an object
5. a property that a substance displays without changing its composition
6. a characteristic we use to distinguish one substance from another
7. a final substance produced in a chemical reaction; represented on the right side of a chemical equation
9. a type of kinetic energy associated with the temperature-dependent random movement of atoms and molecules
10. anything that occupies space and has mass
11. one of the three forms in which matter can exist; solid, liquid, and gas
16. a state of matter in which atoms or molecules are packed close to each other but are free to move around and by each other
17. a state of matter in which atoms or molecules are packed close to each other in fixed locations