1. Solids, Liquids, & Gases
Chapter 3

2. 3.1 States of Matter SOLIDS -have definite shape and volume
-fixed, closely packed arrangement of particles
-crystalline solid- regular repeating pattern, melts at specific temperature
-amorphous solid- not arranged in pattern, does not have a distinct melting temperature

3. Solids
A fixed, closely packed arrangement of particles causes a solid to have a definite shape and volume.

4. Solids
Solids that are made up of crystals are called crystalline solids.
In amorphous solids, the particles are not arranged in a regular pattern.

5. LIQUIDS
-has definite volume, but no definite shape
-closely packed particles that are free to move
-surface tension- attraction of molecules
-viscosity- depends on the size and shape of its particles and the attraction between them
high viscosity- flows slower (oil)
low viscosity- flows quicker (water)

6. Liquids
Because its particles are free to move, a liquid has no definite shape. However, it does have a definite volume.

7. Gases
-flows easily and changes volume easily
-particles move quicker than a solid or liquid
-gas particles spread apart, filling all available space
-has no definite volume or shape

8. Gases
As they move, gas particles spread apart, filling all the space available. Thus, a gas has neither definite shape nor definite volume.

9. Graphic Organizer Solids, Liquids, and Gases
Example (at room temperature)
State of Matter
Shape
Volume
Solid
Definite
Definite
Diamond
Liquid
Not definite
Definite
Water
Gas
Not definite
Not definite
Oxygen