1. Phases of Matter Big Ideas and Quiz

2. Big Idea #1 (write this in your notes – add on to yesterday.)
All matter is moving on the inside.

3. Big Idea #2
When energy is added to matter, the particles move faster and move apart.

4. Big Idea #3
When energy is taken away from matter, the particles move slower and get closer together.

5. Number 1-10 on page ____ of your notebook

6. MINI-QUIZ: (write answers only)
1- Are the molecules of steel in this old car moving past each other, or barely vibrating?

7. MINI-QUIZ: (write answers only)
2- Are the molecules in this “cloud” spread far apart or bunched close together?

8. MINI-QUIZ: (write answers only)
3- This is the Orion Nebula. What is it made of (mostly)?
gas plasma liquid unknown

9. MINI-QUIZ: (write answers only)
4- These molecules are in the ________ phase. Should the motion of these molecules be represented with vibration marks, short arrows, or long arrows?

10. MINI-QUIZ: (write answers only)
5- This is dry ice in a cauldron.
____________ is happening, and molecules are changing from the ______ phase directly to the _______ phase.

11. MINI-QUIZ: (write answers only)
6- This is occurring as the sun comes up after a rainy night. What is happening to the speed of these water molecules? What is happening to their spacing?

12. MINI-QUIZ: (write answers only)
7- There are tiny bumps of liquid forming on this glass of very cold juice. What process is occurring? Why?

13. MINI-QUIZ: (write answers only)
8- What happens to the spacing of these molecules as liquid corn oil changes to solid corn oil? Which takes up more space, the liquid phase or the solid phase?

14. MINI-QUIZ: (write answers only)
9- What two processes are occurring at the “b” portion of the graph?

15. MINI-QUIZ: (write answers only)
10- What phase of matter is this substance in during the “c” portion of the graph?

16. Score your own and fix your answers if you guessed incorrectly
Answers / discussion…
Score your own and fix your answers if you guessed incorrectly

17. MINI-QUIZ: (write answers only)
1- Are the molecules of steel in this old car moving past each other, or barely vibrating?

18. MINI-QUIZ: (write answers only)
2- Are the molecules in this “cloud” spread far apart or bunched close together?

19. MINI-QUIZ: (write answers only)
3- This is the Orion Nebula. What is it made of (mostly)?
gas plasma liquid unknown

20. MINI-QUIZ: (write answers only)
4- These molecules are in the liquid phase. Should the motion of these molecules be represented with vibration marks, short arrows, or long arrows?

21. MINI-QUIZ: (write answers only)
5- This is dry ice in a cauldron.
sublimation is happening, and molecules are changing from the solid phase directly to the gas phase.

22. MINI-QUIZ: (write answers only)
6- This is occurring as the sun comes up after a rainy night. What is happening to the speed of these water molecules? Going faster What is happening to their spacing? Spreading apart

23. MINI-QUIZ: (write answers only)
7- There are tiny bumps of liquid forming on this glass of very cold juice. What process is occurring? Condensing Why? Water vapor in the air is hitting the cold glass and losing energy = condensing into liquid water.

24. MINI-QUIZ: (write answers only)
8- What happens to the spacing of these molecules as liquid corn oil changes to solid corn oil? Molecules move closer together and arrange neatly in rows
Which takes up more space, the liquid phase or the solid phase?

25. MINI-QUIZ: (write answers only)
9- What two processes are occurring at the “b” portion of the graph? Freezing (if getting colder) and melting (if getting warmer)

26. MINI-QUIZ: (write answers only)
10- What phase of matter is this substance in during the “c” portion of the graph? liquid

27. Now see if you can apply your knowledge….