1. States of Matter and Phase Changes
“I’m melting….”
States of Matter and Phase Changes

2. Plasma
Matter
Liquids
Matter is all around us!
Gases
Solids

3. Matter can be found in one of ____ states of matter – sometimes called___________________________.
Can you name them?
Liquid
Solid
Gas
Plasma

4. Matter - Solids Solids Rock! Solids_______________________________
“Solid as a rock”
Solids
Rock!
Solids_______________________________
Molecules ____________________
Solids _____________

5. Matter - Liquids Liquids Splash! Molecules ______________________
Liquids can be poured
________________________
Liquids ______________________________

6. Matter - Gases Molecules ________________________________apart
Gases are Airy!
Gases ____________________________
_______ have no definite volume
Gases can be __________

7. Matter - Plasma Plasma is stellar!
Found in stars, Northern Lights, neon signs, and lightning

8. Matter - Plasma Plasma is stellar!
Plasma has some properties similar to gas:
-_________________________
Plasma is stellar!
But plasma is very different:
-It consists of ____________________________
-It can conduct ________________
-May form filaments under the influence of a magnetic field

9. Let’s compare the three states of matter we are familiar with.
________ ________ ________
Definite shape
Definite volume
Molecules do not move
Very little kinetic energy
No definite shape
Definite volume
Molecules slide past each other
More kinetic energy than solids
No definite shape
No definite volume
Molecules move quickly and freely
Lots of kinetic energy – much more than liquids

10. Matter How does matter change from one state, or phase to another?
How do we get from a solid to a liquid?
Or from a gas to a liquid?

11. To Change Phase…
________
Or ___________

12. Changing Phase Molecular Motion speeds up when you add heat! Add Heat
_______
___________
Solid
Liquid
Gas
Molecular motion slows down when heat is removed
________
____________
Remove Heat

13. To Sum It Up… Matter ______________________________
Plasma
Matter ______________________________
Gas
Liquid
Matter _____________________________________________
Solid