1. Experimental Observation Lab

2. Drill
Looking at the strips of paper on your desk, as a group, sort the strips into 2 different categories – physical and chemical changes Also, take out your note sheet and anything that was signed

3. Physical or Chemical? Melting an ice cube Dissolving sugar into water
Leaves changing in the fall

4. Physical Changes Crushing a can Melting an ice cube Boiling water
Breaking glass
Mixing sand and water
Dissolving sugar into water
Shredding paper
Chopping wood

5. Chemical Changes Rusting of iron Combustion (burning) of wood
Cooking an egg
Explosion of fireworks
Milk going sour
Baking a cake
Leaves changing in the fall
Metabolism of food in the body

6. Take some time
Add any notes you would like to your Notes sheets on Physical/Chemical changes
Summarize what the video was about

7. Agenda Drill Go back to your notes Where are things for labs
Writing lab procedure and data tables
Perform lab
Clean-up
Looking Forward

8. Locate items in room Goggles Aprons Fire extinguisher Fire blanket
Safety Shower/Eye Wash
The Hood
Careful with faucet and gas valves

9. Procedures- Overview Be specific
X number of drops of solution into a test tube
Observe and record data into Reactions Data Table
All reactions are done in a test tube
Don’t forget about the control in your procedure and a control data table!

10. Lab Safety Wear Goggles!!!!!!  Wear Lab Apron
Treat every chemical as toxic (you may touch the metal)
Solution 2 is an acid- be cautious
If you accidently spill some one you, make sure to rise your hand off with plenty of water and tell Ms. Fair
If you spill any chemical or break any glass, please inform Ms. Fair
Again, wear goggles!!

11. After the Lab Take test tubes and dump in waste container
Rinse test tubes at lab bench with water
Clean your area
WASH HANDS!!
Erase giant whiteboard and put back
Make sure that Ms. Fair took a picture of it
Start analysis questions
Turn in lab sheet into the bin

12. Looking Forward Wednesday Friday Separation of Mixtures
LAB!! - Wear proper shoes
Friday
Matter Quiz (will let you know what is on it on Wednesday)
Starting Measurement