1. Vocabulary
Chapter 4

2. Solid

3. State of matter that has a definite shape and a definite volume

4. Crystalline
Solid

5. A solid that is made up of crystals in which particles are arranged in a regular, repeating pattern

6. Amorphous
Solid

7. A solid made up of particles that are not arranged in a regular pattern

8. Liquid

9. A state of matter that has no definite shape but has a definite volume

10. Fluid

11. Any substance that can flow

12. Surface
Tension

13. The result of an inward pull among the molecules of a liquid that bring the molecules on the surface closer together; causes the surface to act as if it has a thin skin

14. Viscosity

15. A liquid’s resistance to flowing

16. Gas

17. A state of matter with no definite shape or volume

18. Pressure

19. The force pushing on a surface divided by the area of that surface