1. September 4, 2018 Journal 18: Today’s Agenda Write objectives
Chemical and Physical Change Lab
Journal 18:
What is a physical change?
What is a chemical change?
I can…
*Identify a change to be a chemical and physical change.

2. Changes in Matter

3. 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?

4. 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

5. Lab Experiment Safety goggles Materials Read through Directions
Everyone in group should participate
Clean up before timer goes off
I can check groups before timer goes off

6. directions Create a hypothesis Record data before and after experiment
Today, skip Investigation 1 (we don’t have time for this one today, we will do it tomorrow)