1. Agenda Qualitative vs. Quantitative Lab Rules
What do we do at the end of a lab?
Emergencies
Safety Poster Activity

2. Qualitative vs. Quantitative Observations
Qualitative = descriptive, tough to measure (the basketballs are orange)
Quantitative = measurable/numerical observations (there are 10 basketballs)

3. Science Safety Rules Preparing for the Lab Performing the Lab
End-of-Lab Procedures
Safety in the field

4. Preparing and Performing the Lab
Read, Read, Read the procedures
Ask Questions
Symbols
Pay Attention
Follow instructions

5. End of Lab Clean – up Turn off and unplug
Dispose of any wastes per teacher instructions
Wash your hands

6. In the Field
Always have a buddy
Follow procedures
Use common sense

7. Accidents
Notify the teacher
Listen for instructions

8. What’s Wrong?

9. What Would You Do?
1. You accidentally knock over a glass container and it breaks on the floor.
2. You accidentally spill a large amount of water on the floor.
3. You suddenly you begin to smell a “chemical” odor that gives you a headache.
4. You hear the fire alarm while you are working in the lab. You are wearing your
goggles and are in the middle of the experiment.
5. While your lab partner has her lab goggles off, she gets some liquid from the
experiment in her eye.
In each of the following situations, explain how or why the proper safety procedures
are not being followed.
6. Gina is thirsty. She rinses a beaker with water, refills it with water, and takes a
drink.
7. It is rather warm in the laboratory during a late spring day. Anna slips off her
shoes and walks barefoot to the sink to clean her glassware.
8. While washing glassware, Mike splashes some water on Evon. To get even, Evon
splashes him back.
9. During an experiment, Lindsey decides to mix two chemicals that the lab procedure does not say to mix, because she is curious about what will happen.

11. SAFETY POSTER How can I be safe in the lab?
Picture (on computer paper)
Poem
Song
Comic
Each must have a key saying
Example “Be wise and protect your eyes”