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