1. Physical and Chemical Properties
By the end of the day today:
I will be able to analyze a change in matter and determine if it is a chemical or physical change

2. 8/23 8/24 Unit 2 Plan of Attack Physical and Chemical Properties
Binder: Unit 2
Unit 2 Plan of Attack
8/23
Physical and Chemical Properties
8/24
Physical and Chemical Changes

3. Why does this Matter? Has mass and takes up space
Everything around us is matter

4. What’s the Difference? Matter can change
Examples: Freeze, cut, burn, etc.
2 types of changes
Physical changes
Chemical changes

5. Physical Changes
Definition: when the state or form of matter is changed without changing its chemical composition.
Examples: cutting, freezing, melting, etc.

6. Changes in State: Vocabulary

7. Chemical Change
Definition: takes place on a molecular level and produces a new chemical substance.
A chemical change always involves a chemical reaction.

8. Where is the Evidence??? Evidence of a chemical change:
color change, gas production, and release of heat, light, odor, or sound.
Examples: Burning (combustion), rusting, tarnishing and fermenting

9. Name That Change!! Talk over scenario with your desk partner(s)
Lift up your chemical or physical card
Each correct answer= 1 point
Tie-Breaker at the end!!! Prize!!

11. ice melting P

12. burning a chemistry book

13. melting iron P

14. frying an egg C

15. fireworks exploding in the skyC

16. turning wood into a baseball batP

17. baking a cake C

18. sharpening a pencil P

19. carving a watermelon into a creepy looking face

20. pouring liquid nitrogen into a bowl and watching it vaporize

21. sulfuric acid added to sugar

22. Tie Breaker!! Send one person up from your team to compete
Must be silent

23. Tie Breaker!!
What religion does the Republican candidate for President follow??

24. Today’s Game Plan 8/24/2012 Catalyst 10 minutes
Physical and Chemical Changes
15 minutes
Name that Change!!
Organize that Change!!
8 minutes
Take an Exit Ticket on that Change!!
Assign Homework Closing
5 minutes

25. Organize that Change!!
Working with the people at your table, organize the given scenarios into two piles: physical change and chemical change
You have four minutes to work with your group!
Good Luck!

26. Today’s Game Plan 8/24/2012 Catalyst 10 minutes
Physical and Chemical Changes
15 minutes
Name that Change!!
Organize that Change!!
8 minutes
Take an Exit Ticket on that Change!!
Assign Homework Closing
5 minutes

27. Pre-Reading on Density
Tonight’s Homework 8/24/2012
Pre-Reading on Density
Read and annotate
Fill in pre-reading sheet

28. Pre-Reading Additional questions to answer:
1.How can you find the density of a solid object?
2. How is density calculated?