1. States of Matter By: Norman Morales 8 th Grade Special Education Science

2. Key Terms States of matter States of matter Solid Solid Liquid Liquid Gas Gas

3. Solid

4. Solid Definite shape Definite shape Molecules do not move Molecules do not move Small space between molecules Small space between molecules

5. Liquid

6. Liquid Liquid takes the shape of its container Liquid takes the shape of its container Molecules move around slowly Molecules move around slowly Moderate space between molecules Moderate space between molecules

7. Gas

8. Gas No definite shape No definite shape Molecules move fast Molecules move fast Great space between molecules Great space between molecules

9. Plasma

10. Plasma No definite shape No definite shape Molecules move fast Molecules move fast Great space between molecules Great space between molecules

11. Examples of Plasma

12. Compare SolidLiquidGasPlasma Space between Molecul es smallmoderategreatgreat Shapesetcontainernonenone Speed of Molecul es none/ vibrate slowfastfast

13. A little more about liquids… Some properties of liquids: Surface tension Surface tension - force acting at the surface of a liquid adhering the liquid to itself Viscosity Viscosity - a liquid’s resistance to flow

14. More about gases… Pressure – force exerted on a given area More particles Greater Pressure Less particles Lower Pressure

15. Changes of State GAS LIQUIDSOLID vaporization condensation melting freezing deposition sublimation Processes

16. Mini Quiz Answer in complete sentences. 1.How many states of matter are there? 2.Give one example of a solid, a liquid and a gas. 3.How do molecules move in a solid? 4.How do molecules move in a liquid? 5.Where can you see plasma on Earth?

17. External Web links External Web links http//:www.emints.org http//:www.emints.orgwww.emints.org http//:www.brainpop.com http//:www.brainpop.com http//:www.brainpop.com