1. Homework: complete missing assignments
September 7, 2018
Today’s Agenda
Journal #20
Chemical and Physical Change Card Sort
Pancake activity
Homework: complete missing assignments
Journal #20
How do you know that chemical change is taking place?
When making pancakes, is the change a chemical or physical change?
I can…
*I can identify a change to be physical or chemical

2. Physical changes
Physical change: any change that alters the form or appearance of a substance but does not change it into another substance
Still the same substance after the change
Examples?
Changes of State
Water changes to ice or water vapor
Is it still water?
Has its chemical composition changed at all?

3. Chemical change
Chemical change: a change in matter that produces one or more new substances
Atoms rearrange to form new substances
Results in different physical properties

4. PANCakes!!
Physical or Chemical change?
Or is it both?

5. CARD SORTS On you desk you have 26 cards
As a group, you will determine each card to represent a physical or chemical change.
As a group you will fill out the card sort answer sheet:
Match the correct card #
Shade in the circle that matches the correct change (chemical or physical or both)
Explain your thinking